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Meet Brain, the AI that decides when Azure is officially down

Microsoft recently took the wraps off Brain, the internal AI system that continuously monitors Azure’s health and, increasingly, acts on what it finds — declaring outages, pausing harmful rollouts, and notifying affected customers.

Azure CTO Mark Russinovich first wrote about the system in a blog post, “Meet Brain: The AI system behind Azure reliability,” the first in a planned multi-part series about the Azure team’s reliability and resiliency tooling.

To dive deeper, The New Stack sat down with Russinovich, who is also Azure’s deputy CISO and a technical fellow, to talk about how the Brain project came to be and how it evolved over time.

Brain, as Microsoft describes it, is Azure’s centralized AIOps system for cloud health. It operates as an intelligent layer on top of Azure Resource Graph (ARG), and together, the company says, the two form a real-time digital twin of Azure’s health.

A real-time digital twin

While Brain today uses many AI tools, the project is actually much older than the generative AI boom, and to get started, the team had to build a solid foundation first. “At the heart of this system is Azure Resource Graph, which started as ‘let’s create a digital twin of Azure, so we can understand the relationship between the different resources in Azure,’” Russinovich tells The New Stack.

That internal digital twin became a public service at the urging of what Russinovich calls whale customers, those “that have huge estates across many different tenants and subscriptions that wanted to do easy queries across the whole thing, like, ‘What Linux VMs do I have, and what versions of Linux are they on?'”

It was actually the root cause analysis on top of that graph that Brain really began with. “Many times you can just trace dependencies and say, well, these services all depend on this other service that has gone unhealthy, and so that I think was the genesis of having Brain go and start to have a lot of ML-driven algorithms to identify root cause on top of the graph,” Russinovich explains.

Around the same time, Microsoft kept encountering a measurement gap: A service team’s own health metrics indicated everything was fine, but customers saw failures. Russinovich says that could happen because the Azure team wasn’t “measuring what customers are experiencing, or because they’re aggregating at scopes that hide customer-specific problems.”

So Microsoft decided to standardize. “We decided, let’s go standardize on the way that we measure health,” Russinovich says, “and we came up with service level indicators, SLIs.”

Getting services across Azure to actually emit them through shared libraries that conformed to the schema was a complex task that took several years.

“It’s kind of a whole bunch of different things that happened in parallel that all have come together,” he says. “There’s just a tremendous amount of data engineering that goes into this, and trying to keep it as automated as possible.”

Three signals feed Brain

In his blog post, Russinovich writes that Azure’s reliability challenge isn’t a lack of tooling but a “comprehension problem,” with a hyperscale cloud now producing more signal than humans can read.

Azure runs hundreds of services across more than 80 regions, 500+ data centers, and 800,000+ kilometers of fiber and subsea cable. And yet, he writes, Microsoft still sometimes learns about a quietly degrading service from a customer before its own systems detect it.

Today, Brain pulls from three classes of signals. The standardized SLIs come first. Service teams also build and register their own domain-specific monitors, which run alongside telemetry-like deployments, support volume, and cross-service dependency signals. Third-party indicators make up the rest.

Brain produces the same four outputs for any subject, whether that’s a service, a region, a deployment unit, or a customer’s resources.

Based on this, Brain produces the same four outputs for any subject, whether that’s a service, a region, a deployment unit, or a customer’s resources. It reports the health state, how severe the issue is, who is impacted, and — crucially — why it reached that conclusion.

Those conclusions then drive alerts and remediations. Brain declares outages based on blast radius, Russinovich notes, and scopes customer notifications to the impacted subscriptions and regions. The system automatically routes incidents to the appropriate service team and sends deployment-gate signals to pause rollouts causing the issues.

Russinovich says the system is “very pluggable in terms of what signals go into it, and includes even things like customer support tickets that have been opened, and social media posts that mention Azure.” He says Brain is “primarily monitoring,” but “it also can take automated repair actions, too. So for some incidents, teams can specify if, when this happens, go try these things, and Brain kicks those off as well.”

He says the SLIs are “emitted at the scale unit level, so that we can do aggregations for overall health. We can pinpoint specific customers that are being impacted, because we know what customers map to which scale units, and that’s the way that the auto notification triggers off that.”

Why ML sets the thresholds

Microsoft’s original plan for turning SLIs into health determinations was the textbook one, asking every service team to define its own SLOs. It didn’t work.

Russinovich says the schema work itself was hard enough, but “even more challenging is coming up with an SLO that is actually a good SLO.” Teams sandbagged their thresholds, he says.

“[Everyone] wants to be very conservative because they don’t want to get paged or have customers told that things are unhealthy when they’re not, so they’re like, ‘You know what, my SLO is 5% of API queries can fail, and then let’s call it unhealthy,’ when actually that’s not a good way to determine health or regressions as rollouts happen, so we decided, ‘Let’s just stop asking them to define their SLOs.'”

“Everyone wants to be very conservative because they don’t want to get paged… so we decided, ‘Let’s just stop asking them to define their SLOs.'”

Instead, ML models now derive the thresholds from each service’s own behavior, per scale unit and per region.

“There’s a baseline for behavior of the service in this region versus that region,” Russinovich says, “and then we can see when there’s regressions.” The resulting SLOs are dynamically adjustable and automated, he explains.

Tying a regression back to the change that caused it is harder still, he says. Brain tracks rollouts of service updates, and “we’ve got ML algorithms too that can identify with confidence this rollout is causing a regression.” But, he says, the rollout that just reached a scale unit isn’t necessarily the culprit.

“A change doesn’t necessarily show up as a regression immediately. It can have latency; it can take hours to show up, or in some cases even days… there can be many, many deployments that have happened over the last day, and you’re like, which one was it?” That’s why, he says, “there’s a lot of ML going into symptom versus change mapping and automated detection.”

Agents that fix outages

The published post keeps its results vague. Detection precision “has improved significantly”; a “substantial majority” of Brain-integrated outages were auto-communicated to customers in the past year; and time-to-notification improved “materially” over manual notifications. In the interview, Russinovich puts numbers on some of it.

He says, “The thing that frustrates customers the most is when they’ve got to call us and tell us there’s an issue, because then they’re like, you guys don’t even know that there’s a problem. I have to tell you there’s a problem. If we can tell them, hey, there’s a problem, we know about it.” Auto-notification, he says, has driven “this reduction of like four to 6x in terms of customer support tickets open, because Brain is automatically notifying them, and they know that we’re on it.”

“The second you put a human in that loop, you can blow right past the 15 minutes.”

“Our time-to-mitigate goal is 15 minutes, from some problem to actually being resolved within 15 minutes,” Russinovich says. “The second you put a human in that loop, you can blow right past the 15 minutes.”

According to Russinovich, the company hits this 15-minute notification window for 80 to 90 percent of the services on Brain. Often, it’s also much shorter and closer to five minutes.

One caveat here is that not everything runs through Brain yet. Microsoft prioritized what it calls its critical services, the foundation the rest of Azure depends on, and Russinovich puts their coverage at “like 70 or 80% of them, and then the tail’s being worked on.”

He notes the rest aren’t flying blind. “It’s not like the services that aren’t on Brain don’t have health systems and alerting and everything. Brain improves things, even for those services.”

For the engineers who do get paged, Brain assembles the picture they used to piece together by hand.

“The incident gets populated initially with an automated collection of information that will say, here’s the graphs of availability on this SLI over these scale units over the last 24 hours, here’s the list of impacted customers, this is the scale unit, here’s the other information supporting this, and so already there you’re saving the engineer huge amounts of time just in going and information gathering and just presenting it right in front of them.”

Agents on top

In the Brain announcement, Russinovich writes that “agents need something to be agentic about.” A triage agent that doesn’t know the dependency graph can’t triage anything, he argues, and the health model is “the prerequisite, not the consequence, of agentic operations at this scale.”

At this point, Microsoft has started running agents on top of Brain. A system called Triangle, which Microsoft Research also described in a 2025 paper, gives each service team an LLM-based agent trained on its historical incidents and troubleshooting guides, with an orchestrator that routes ambiguous incidents among them.

“This Triangle system has agentic representatives for the services, where the Triangle orchestrator then fans it out and says, ‘Here’s the incident; raise your hand if you think it’s yours,’” Russinovich says. Without it, tickets would bounce from team to team — something Microsoft calls handoffs — which increases response times.

“We don’t have to write down every single rule prescriptively… let the agent do things based on its own judgment.”

It’s still early days for Triangle, though. “We’re still relatively early, so there’s only a small number of services onboarded to it, but already for them the handoffs are much faster and more direct than pre-Brain,” Russinovich says.

In the long term, he wants agents to replace the deterministic remediation rules that teams write today.

“We don’t have to write down every single rule prescriptively,” he says. “And have this tree of decision making, but rather let the agent do things based on its own judgment, which has a whole bunch of benefits, like the system keeps up to date automatically. Then it can also find paths to resolution that we might miss in the deterministic rules that we’ve got.” On agents that actually fix things, he says, “We still consider ourselves at the beginning of that.”

The post Meet Brain, the AI that decides when Azure is officially down appeared first on The New Stack.

Entire is building a Git network for agents

Thomas Dohmke, who stepped down as GitHub’s CEO last year to become a founder again, is opening a preview of a distributed Git network on Wednesday that is designed to keep fleets of AI coding agents from overwhelming a single central server — and one that may soon compete directly with GitHub’s core service.

Entire, Dohmke’s post-GitHub startup, is launching a preview of this on Wednesday (but for now, it is behind a waitlist). With this, developers can mirror an existing GitHub repository onto Entire’s own infrastructure in one step.

“In the era of agents, centralized Git hosting has become a fundamental constraint, as the strain of billions of agents and developers hammering a central server shows up in the form of rate limits, high latency, or even outages,” says Dohmke in today’s announcement. “Today, we begin to return Git to its original promise, with a distributed, and soon fully decentralized and open-source network of interconnected nodes around the world. By doing so, we enable any developer or agent to host their code in-region, pushing, pulling, and cloning close to where they operate, fast and without bottlenecks, while still part of a global, collaborative network.”

The key here is that the code stays on GitHub, as Entire stresses, but coding agents can work with the Entire mirror and, as the company notes, “build without rate limits.”

Entire’s mirror is meant to absorb the constant flow of traffic that a fleet of agents can generate. That traffic, after all, is part of the reason GitHub is often buckling under pressure these days and startups like Entire have an opening.

Centralized Git hosting, Dohmke says in an interview with The New Stack, has become “a fundamental constraint” now that billions of agent and developer operations land on the same servers, showing up as rate limits, latency, and outages.

Given GitHub’s recent availability issues, it’s no surprise that startups are trying to get into this space. Entire is one — and it has the pedigree — but in June, Cursor also announced Origin, its own Git forge rebuilt for swarms of agents that are cloning and committing against a single repository in parallel.

Entire is starting with active regions in the United States, the European Union, and Australia, but the team says that now that is has spun up its first few regions, it will add more soon.

‘Git as a database’

To build its network, Entire rewrote the server part of git. GitHub, GitLab, and Bitbucket all wrap the server-side of the Git binary and build their infrastructure around it. Entire started from scratch.

“We see Git really as a database,” Dohmke says. The open source Git project has two halves, he explains: the client that an agent uses to talk to a repository, and the server a host runs to manage storage. Rather than build on that stock server, like most companies would do, “we made the decision of not going that route, and instead implemented our own Git backend.”

That only makes sense if Entire’s version has significantly better performance than the stock Git server, of course. Entire says its benchmarks have pushed the network to a sustained rate of 570,000 clones per hour, 586 pushes per second, and roughly 470 combined clone-and-push operations per second.

Pushing to a native Entire branch can run up to 25 times faster than pushing through to GitHub, Dohmke says.

Entire it will open-source both the git backend and the benchmark suite.

The foundation layer, now real

When Dohmke first described Entire’s plans to The New Stack in February, he described a three-layer platform that included a Git-compatible database at the bottom, a semantic reasoning layer in the middle, and an interface on top. Even then, he said that the database, unlike a centralized Git host, could be a globally distributed network of nodes.

But in February, Dohmke also said Entire wouldn’t necessarily end up competing with GitHub, and that code repositories would stay central to the pitch.

Pressed on whether that still holds now that Entire hosts its own copy of the GitHub repo, he calls the mirror complementary, in part because Entire can offer enterprises the ability to keep their code in a local region to fulfill local regulations. He also notes that GitHub has a huge ecosystem and an extended feature set.

“I think the question for the buyer really is, is it not better for me from an availability and reliability perspective, that I have both of these products, so if one of them is down — there’s always going to be single points of failure and human errors — then I have my mirror on the other side,” he says. “But we certainly will, in deals, compete for the dollar spent at a much smaller scale compared to the multi-billion-dollar business that is GitHub today.”

Credit: Entire

For now, that keeps the two complementary. Dohmke argues that GitHub remains the “source of truth,” or “cold storage,” while the working copy lives on Entire. But he also says that Entire will launch native repositories in the coming months, and those wouldn’t need GitHub underneath at all. All of this will be open-sourced as well.

Entire raised its $60 million seed round in February, when it had 15 employees. Felicis led it, with Microsoft’s venture arm among the backers. The company is now past 40 people and aiming for 60 by the end of the year.

Entire beyond Git: the semantic memory layer

Entire is building its middle layer — the semantic reasoning layer — in parallel with the Git platform.

The semantic layer now integrates with every major coding agent, including Claude Code, Codex, Cursor, Factory AI, and GitHub Copilot, and records each session, prompt, and tool call in the repository alongside the code.

Having this data is useful for agents, and it was the first core service the company launched. Now, it is also building more services on top of that history.

The company is adding Entire Blame, for example, which shows not just who last touched a line but the agent session and prompt behind it. There is also Entire Review, which fans out several agents for an intent-aware review, and the company is adding a code and semantic search feature that lets agents (and developers) search across code changes and the reasoning that produced them.

“Session logs are now the second most important artifact in software development, and they belong in the repository alongside the code,” Dohmke says.

The post Entire is building a Git network for agents appeared first on The New Stack.

What comes after attention? This startup says it already knows.

When Subquadratic launched earlier this year, it could build a sparse-attention model that could handle a 12-million token context window and be significantly faster than today’s large language models. But it didn’t launch the model widely and it didn’t publish benchmarks.

Given the company’s large claims, that created quite a bit of skepticism. In June, Subquadratic published its first model card and benchmarks for its small model, SubQ 1.1, supplied third-party verification from data firm Appen, and started talking about its first design partners who now have access to its model.

So far, however, few people have actually used its model. To talk about the company, why its model isn’t widely available yet, and what it has in store for the near future, we met up with Subquadratic co-founder and CTO Alex Whedon.

“We’re not a sparse attention company either.” — Alex Whedon, Subquadratic.

One thing Whedon definitely wanted to clear up is that the company’s current model may be based on sparse attention, but that isn’t its full mission.

“We’re not a sparse attention company either,” Whedon tells The New Stack. “We’ve been working on non-attention architectures for quite a while as well. We think that we will be the first people to leapfrog ourselves in terms of the next model architecture.”

We’ll get back to that.

What the model card shows

It’s the company’s SubQ 1.1 Small model that people are talking about now. This model is built on Subquadratic Sparse Attention (SSA), an attention mechanism the company says scales close to linearly with context length instead of quadratically.

“In the case of Subquadratic Sparse Attention specifically, which is one of a couple model architectures we worked with, the idea is that not all of the token relationships matter,” Whedon explains. “Token relationship compute is why you see this quadratic scaling law.” This means there are almost a million possible two-token relationships in a 1,000-token input in a full attention matrix.

For SubQ 1.1 Small, the strongest results are in long-context retrieval, which makes sense, given that this is where the architecture should have its biggest edge.

Credit: Subquadratic.

On the needle-in-a-haystack test, SubQ 1.1 Small scores near-perfect from 1 million tokens out to 12 million, even though it was trained mostly at 1 million. It hits 99.12 percent on Nvidia’s harder RULER test, which asks the model to trace and aggregate facts across a 128,000-token context rather than just find one.

On general capability, it lands just below the mid-tier frontier models, at 85.4 on GPQA Diamond against 87.5 for Sonnet 4.6. On the LiveCodeBench coding benchmark, it scores 89.7, below Opus 4.8 and GPT-5.5, but slightly better than Sonnet 4.6.

Efficiency is where the model shines, though. The company says that at 1 million tokens, SubQ uses 64.5x less compute than dense attention and runs 56x faster than FlashAttention-2 on a single attention layer. At the full 12-million-token window, it puts the attention compute reduction at close to 1,000x.

Credit: Subquadratic.

“Even in full dense attention, the relative importance of over 99 percent of tokens is very low, attention scores are below 0.1,” Whedon says. “We actually show this in our model card. So clearly we’re just wasting compute most of the time, and in fact we’re maybe making the modeling task harder, because we’re introducing noise.”

“Transformers are a brute-force approach to the problem of text modeling,” he says. “You could say, ‘I’m going to compare every single individual token to every other possible individual token.’ That’s what transformers do. Very brute force, very naive. It just assumes that the first needs to look at the second, the third, the 50th, and the 5,000th. That’s not how humans read text.”

SSA also differs from retrieval-augmented generation, which drops chunks of text before the model sees them. “Every token of the text is being seen by the model,” he says. “It’s just not being redundantly compared to every other token of the text.”

On capability, SubQ 1.1 Small lands roughly in Sonnet 4.6 territory, sometimes a bit above, sometimes below. But its edge, the company says, is size and cost.

“What we posted publicly was fewer than 100 billion parameters,” Whedon says about the size of the model. “I would venture to say that our model is smaller than any of the models offered by OpenAI or Anthropic. But our next model will not be.”

Smaller, cheaper, built for enterprises

Subquadratic is also making the pitch that its model’s capabilities will be especially interesting for enterprises.

“We think that’s a pretty interesting enterprise offering,” he says. “We’ve seen a lot of people in the enterprise space talking about using the mid-tier models as opposed to the frontier for large data-processing tasks, which is exactly where we’re trying to plug in.”

Given that a lot of enterprise problems start with searching through large heaps of data, this makes sense. You can pack a lot of documents into a 12-million token context window, after all. Most of today’s models break down well before the user fills their million-token windows, but with its near-perfect retrieval scores, SubQ may be a good answer for these problems.

As Whedon noted, the model’s first users are design partners, not the public. “We’re giving access to the model to design partners now, and these are mostly enterprises, largely with eight- to nine-figure spend,” Whedon says. “This is a core market that we really care about. It has been since day one.” A limited individual-access release will follow before any general availability.

The launch led with claims instead of benchmarks by choice.

“We were announcing mostly research,” he says. “We could have maybe messaged the launch a little bit differently. There was some debate about how we were going to message it.”

Built on an existing model

One question from May hasn’t gone away, though. The model card states that Subquadratic “started with an existing open-weight frontier model by replacing its dense attention with Subquadratic Sparse Attention (SSA),” and then ran roughly one trillion tokens of long-context continued pretraining on books, documents, and repository-scale code.

That confirms what some of the skeptics suspected at launch, when OpenAI researcher Will Depue wrote that SubQ was “almost surely a sparse attention finetune of Kimi or DeepSeek.” What’s new here then is the SSA mechanism and the long-context training recipe, not a model trained from scratch. The company has not said which open-weight model it started from.

The biggest lever on long-context retrieval was pretraining on very long sequences, Whedon says, something SSA’s efficiency made cheap enough to run as routine.

“Nobody’s talking about multimillion-token pretraining,” he says.

Credit: Subquadratic.

Why hybrids don’t go far enough

There have, of course, been attempts to improve on quadratic scaling, but Whedon thinks most of those attempts only go — almost literally — halfway. Hybrid models such as Nvidia’s Mamba-based Nemotrons, Qwen’s Gated DeltaNet layers, and the various linear-retention designs swap out some of the attention layers, but they don’t go all the way.

“If 80 percent of the layers are not quadratically scaling, then your maximum payoff is like a 5x increase as you scale toward infinity,” he says. “We see a 60x increase at 1 million tokens, almost 1,000x at 12 million. That is the type of payout that you only get if you actually change the scaling law, as opposed to a scalar win.”

He actually credits DeepSeek’s own sparse attention mechanism with making his company’s pitch easier.

Credit: Subquadratic.

“They showed that you could dynamically select relationships without a significant quality trade-off,” Whedon says. “However, they did so by redundantly using a smaller but still full-attention model that ends up using the vast majority of the compute at scale.”

Subquadratic ran its own benchmark against GLM 5.2. “At 1 million tokens, 58 percent of the prefill latency comes from that selection mechanism,” Whedon says. “So that selection mechanism, which is supposed to be seen as cheap, actually dominates the compute, because it’s a quadratically scaling component.”

Beyond sparse attention

It’s also why Whedon pushes back on the “sparse attention company” label. Subquadratic has been working on what he calls “zero attention,” architectures that drop the attention mechanism altogether.

“Attention is kind of similar to RAG in that you have queries, keys, and values that represent information about the tokens that you’re processing,” Whedon says. “There’s this discreteness of representation, where everything is represented within these nice little boxes. That’s super convenient. It’s easy to build a brute-force solution around it. But it also means your ability to compress information is limited. If you had a more continuous, abstract way of representing the information, then you could compress it further, which means you can make smaller models, or you could just scale things up again to create another leap in intelligence.”

He traces the idea to world models and to Yann LeCun’s work. “The stuff we’re doing takes a lot of inspiration from world models, not the video modality in this case, but some of the things LeCun is talking about,” he says. “Rethinking how to represent long-range dependencies, how to keep a long-range state, how to rethink the objective function.” He stops there. “That’s probably all I could say for now.”

Subquadratic has also marketed only one of the three kinds of efficiency it says it is chasing. “We care about compute, sample, and memory efficiency,” Whedon says. “We’ve done a lot of work on all three, but have only really talked about the compute efficiency publicly.”

The near-term plan

The near term plan for Subquadratic, however, is more modest. “Over time, yes,” Whedon says, when asked whether Subquadratic could rival OpenAI and Anthropic on raw quality in the long run. “In the shorter term, we have to be strategic. If we try to boil the ocean on much less capital, it’s not going to go well for us.”

The next model, he says, will likely be a mid-tier size rather than a frontier-class one (think SubQ 1.2 Medium), that he expects to outperform most of the competition in its tier.

How the team will bring the model to market, though, remains to be seen. I wouldn’t be surprised if the team launched its model on one of the hyperscaler’s large model platforms, but Whedon remained tight-lipped about the company’s plans.

The fact that we met with the Miami-based Whedon in San Francisco, though, gives you a bit of a hint of what the team is currently up to.

The post What comes after attention? This startup says it already knows. appeared first on The New Stack.

“Bring it to our shop”: Workday’s pitch for keeping AI agents close to your most valuable data

A close-up of Benjamin Franklin's portrait on a $100 bill, with a dramatic warm orange and amber color grade and a light leak effect across the right side of the frame.

Workday, the payroll and HR data platform, has been pursuing AI and agents for a while, but while other businesses may allow a little room for error, getting a payroll run in Workday 99% right is not exactly good enough.

Gabe Monroy, Workday’s chief technology officer, tells The New Stack that enterprise AI has to clear this bar before anyone will let it near their HR and finance data.

“There aren’t many systems that are more critical — or less forgiving — than ones that are dealing with people and money,” he says. There’s no tolerance for “well, it works most of the time,” Monroy says in an interview.

At its DevCon developer conference in early June, Workday laid out its plans to clear this correctness bar. The company introduced Agent-Ready Tools, a set of connectors that let agents act across the platform over the Model Context Protocol (MCP), a Developer Agent that lets people build apps and agents on Workday in plain language, and Agent Passport, which tests and verifies agents before they go into production and keeps monitoring them after, with Cisco as the first attestation partner.

Guardrails belong in the inference engine

Monroy spent most of his career in infrastructure and the developer space: at Deis, Microsoft, DigitalOcean, and, most recently, Google. At Google, he focused on building infrastructure for large AI labs to run inference at scale. For someone so focused on infrastructure, coming to Workday might seem a bit like an odd move, but Monroy argues that, at this point, LLM safety is — or at least should be — part of the core infrastructure for enterprises.

“The stakes are higher … in the world of people and money”

“The stakes are higher in the world of Workday and in the world of people and money, and that’s something that I was really excited about tackling at Workday specifically — and I do look at it as a core infrastructure,” he says. “A lot of what I’ve been doing in my recent past has been building infrastructure for large AI labs to do inferencing at scale, and what you pick up pretty quickly is that inferencing is probabilistic.

“[Inferencing] involves prefill and decode, and a whole bunch of really technical machinery in place to stream tokens out to end users, but what is nowhere in that stack today is the concept of native LLM-level enforced guardrails — guardrails that are part of the core inference.”

In his view, making it safe for enterprises to operate inference at scale has to be done at the inference engine layer. Agent gateways and similar add-ons that wrap the model from the outside sit at the wrong layer, he argues.

Workday CTO Gabe Monroy

For a system of record like Workday, the system must strictly enforce guardrails on who the user is, what their budget authority is, and where they sit in the org chart. Those constraints, Monroy says, can be wired deep into the inference rather than checked after the fact. “These are things that we have the opportunity to wire deeply into the inferences at a very, very low level, in a way that produces much safer outcomes,” he says.

Workday’s recent acquisition of Pipedream partially plays into this. With Pipedream, an agent can reach out to third-party systems outside Workday to, for example, pull a policy document from Google Drive, and the platform can then verify that this specific agent has all necessary access rights to do so.

“Bring it to our shop”

All of those agents need to be managed, of course, and while many SaaS companies are currently building out their own agent platforms and agent orchestration services, seemingly all offering the same services, Monroy argues that orchestration should happen close to the data sources.

“If you’re trying to run an agent interaction that is integrating with people and money, that orchestration loop should probably happen closer to Workday, ideally on the Workday,” he says. “I do think there is something to be said for inference engines having proximity to the underlying system, because when it comes to a low-level inference engine and runtime perspective, there are some differentiated things you can do at the inference engine level that are only possible due to proximity to.”

“I do think there is something to be said for inference engines having proximity to the underlying system…”

He likened it to car repair. If somebody hands you a toolbox, you may or may not be able to fix your car’s problem. “Maybe you’ll get the outcome, but I tell you what, if you really want your car repair done right, bring it to our shop. We got the hydraulic lift, we got the trained engineers who know how to do this stuff, and we got the tools — but our tools are the best in the industry.”

For the part of an agent’s orchestration loop that has to run next to HR and finance data, “you really should be running that in our shop.”

For more general-purpose workflows, though, he believes there is room for general-purpose platforms. Not everything needs to run on Workday, after all, and Workday does offer MCP servers that third-party tools can tap into to access its data and tools as well.

To some degree, every system-of-record vendor is making some version of the proximity-and-context case right now. Owning the context for AI agents to work with is a major moat for these companies, after all, even as APIs and MCP servers allow agents to pull in data across vendors.

Meanwhile, there is also a group of other companies positioning themselves as neutral parties benefiting from the fact that these other vendors are now opening their platforms to third-party agents. It seems unlikely that, in the long run, enterprises will want to manage multiple agent platforms, but at this point, it is still far from clear in which direction this pendulum will swing.

Happy to lose the tooling fight

If proximity is where Workday thinks it can win, there is one area where the company doesn’t want to compete: developer tools.

“We’re not going to differentiate Workday on building better tools for developers,” Monroy says. “We’re going to differentiate on safety, on trust, on the inference engine.” It’s telling that the demos at DevCon ran on Claude Code, Cursor, OpenAI’s Codex, and Google’s Antigravity rather than on anything Workday-branded. “On the tooling front, I’m happy to have Claude Code and Codex and others,” he says.

It’s no secret that developer loyalty to AI tools doesn’t really exist at this point. Developers definitely don’t want a one-off tool from a single vendor, and Monroy notes that he isn’t going to ask them to adopt one. Instead, Workday wants to own skills, which he calls “the underlying lingua franca that we’re using to converge across the system.”

Workday is happy to be the system of record for its vertical and to let others fight over the tools.

The post “Bring it to our shop”: Workday’s pitch for keeping AI agents close to your most valuable data appeared first on The New Stack.

Can DNS become the basis for AI agent identity?

A digital fingerprint.

The Linux Foundation on Tuesday declared its intent to launch the Agent Name Service (ANS), an open standard that gives AI agents verifiable identities by tying them to the internet’s domain name system (DNS).

The idea behind the ANS has actually been around for a while. It began as a research paper published in May 2025 by the OWASP GenAI Security Project, written by a group of application-security researchers. Its authors include Ken Huang, the CEO of security consultancy DistributedApps.ai and a co-author of the widely cited OWASP Top 10 for LLM Applications that chronicles the top security risks related to LLMs, and Akram Sheriff, an AI security engineer at Cisco.

ANS is a bit of a redesign of the original idea, which has gone through a few iterations since it was published. The 2025 original described ANS as a “universal directory” — basically a central registry with naming borrowed from DNS. A second version, published as an individual draft at the Internet Engineering Task Force in April, takes this a step further and ties each agent instead to a real domain its operator already controls.

How it would work

The design essentially copies how websites already prove who they are today. An operator demonstrates control of a domain like example.com through ACME, the automated protocol behind Let’s Encrypt, and a registration authority issues the agent a pair of certificates. Every change to the agent’s status, from registration to renewal to revocation, is written to an append-only log. A client checking an agent can choose how much assurance it wants, from a basic certificate check to a tier that also consults the log.

It’s worth noting that the ANS system separates identity from discovery and hands the job of finding agents to other services built on top.

The DNS industry and AI agents

Discovery is actually handled by DNS-AID, a separate discovery standard the foundation took in on May 27. It lets agents publish their endpoints as DNS records so other agents can find them. DNS-AID was originally built by Infoblox, and GoDaddy, which is also involved in ANS, is among its backers.

Agent identity and discovery projects based on DNS aren’t limited to these two Linux Foundation projects, though. Including those two, there are now at least four similar proposals. There is DNSid, for example, a durable-identity scheme from the registry operator Identity Digital, and AID, a minimal discovery draft that came out of the developer community.

Vineeth Sai Narajala, a co-author of ANS now with OWASP, says in the announcement, “we didn’t need to reinvent the wheel, we needed to extend the foundational trust of the internet to a new generation of autonomous technology.”

Not reinventing the wheel also means basing this system on the registrars and certificate authorities that come with it and the trust hierarchy they built, which security researchers have long considered fragile.

Maybe it’s no surprise that many agent identity and discovery solutions are coming out of the domain industry. GoDaddy, after all, registers domains, Identity Digital operates top-level domains, and Infoblox, which backs ANS, sells DNS infrastructure. For all of them, DNS-linked agent identity and discovery extends a (profitable) business they already run.

What about A2A and co.?

As is so often the case, the Linux Foundation is playing host to several alternative systems. Google’s A2A protocol, for example, gives agents a signed “Agent Card” they can publish at a known web address, with an agent registry on its roadmap. Cisco’s AGNTCY ships an agent directory and its own cryptographic identity service. Outside the foundation, Microsoft’s Entra Agent ID and Okta for AI Agents, both generally available since the spring, treat an agent as an identity managed inside the corporate directory, with short-lived tokens that tie each action back to the person who authorized it.

And while Cisco is backing both ANS and AGNTCY, some names are missing here, including major players like Google, Anthropic, Microsoft, and Amazon. Given their outsized role in the agent ecosystem, it’ll be interesting to see if they’ll join in this effort or decide on their own standards (insert obligatory xkcd comic here).

The post Can DNS become the basis for AI agent identity? appeared first on The New Stack.

Databricks wants to merge the two databases every company runs

Databricks wants to erase the divide between the databases that run a business and the systems that analyze it. At its Data + AI Summit in San Francisco on Tuesday, the company introduced an architecture it calls Lake Transactional/Analytical Processing, or LTAP, built to collapse that split for AI agents.

Databricks started going down this path a while ago but made it concrete when it bought the serverless Postgres startup Neon and, later, Mooncake Labs in 2025. The bet here is that AI agents, not people, will become the primary users of the enterprise data stack, and that the infrastructure beneath them has to be rebuilt for them.

Credit: The New Stack.

A breakthrough 40 years in the making

“For decades, complicated data infrastructure was a tax that teams were forced to pay,” said Ali Ghodsi, co-founder and CEO of Databricks, in the announcement. “Then agents arrived. In a matter of months, organizations effectively doubled their workforce, just not with humans. Agents write code, make calls, and run loops at a pace human teams never could. The infrastructure that powered the last era of computing is now the bottleneck that no one can afford. LTAP removes it.”

LTAP, Ghodsi said in his conference keynote on Tuesday, is “a breakthrough the industry has been working on for 40 years. We think we finally pulled it off.”

Credit: The New Stack.

Historically, companies have had to run two kinds of databases. Online transactional processing systems handle the live operations of a business, like orders, payments, and inventory, in row-based formats tuned for fast writes. Online analytical processing systems then use what is essentially the same data for reporting and analysis in column-based formats specifically tuned for large scans. The two were kept apart for performance and reliability, and enterprises bridged them with ETL pipelines and replicas..

Databricks argues that agents need a different system because they can read live transactional data, reasoning over historical context, and act on both of them at once.

Earlier attempts to merge the two layers never quite worked, the company says, because hybrid transactional and analytical processing (HTAP) systems carried high costs and proprietary lock-in, while “zero-ETL” tools amounted to hidden change data capture, still leaving two copies of the data and the problem of data going stale.

Credit: The New Stack.

What is LTAP?

LTAP unifies transactional and analytical data in a single storage layer, governed once and stored in open formats on cloud object storage, while keeping separate compute engines for each kind of work.

The design builds directly on Lakebase, the Postgres-based operational database Databricks introduced in June 2025, which the company describes as a “new category” that separates compute from storage and places the data in the lake in open formats.

Now, the company is extending Lakebase for what it calls business-critical workloads, adding native vector and full-text search, real-time event ingestion through Zerobus, part of its Lakeflow Connect ingestion service, and Git-style branching that lets an agent copy a database to experiment and then discard it.

“Agents love to just branch out and experiment with the data, try something else, and they want to do it quickly,” Ghodsi said. “They don’t want to wait ten minutes on a database to come up.”

Credit: The New Stack.

Lakehouse//RT

The second piece is Lakehouse//RT, a real-time analytics engine, powered by a vectorized engine Databricks calls Reyden, that runs directly on Delta and Iceberg tables in the lakehouse.

Companies have long stood up separate, specialized systems to get millisecond query speeds, duplicating data into a “serving layer” that sits alongside the lakehouse. Databricks says Lakehouse//RT removes that layer, delivering millisecond-level latency on lakehouse data with no extra copies, pipelines, or governance gaps.

Databricks stresses the engines high concurrency. Mehrshad Setayesh, SVP of engineering at PointClickCare, says Lakehouse//RT “ran more than a third faster on average than our prior warehouse on our healthcare dataset, with 10x faster queries,” and that it removed the company’s need for a dedicated real-time system alongside its lakehouse.

Mooncake and Neon to the rescue

LTAP’s main pitch is that a single copy of the data can be stored once in open formats without the need for complex data pipelines. The Lakebase architecture, the company wrote last year, shares one storage layer across transactional and analytical workloads “without moving or duplicating it.”

Lakebase’s analytical speed comes from Mooncake, the startup Databricks bought to accelerate it. Mooncake mirrors Postgres changes into the lakehouse in real time, which is how transactions and analytics run on the same fresh data.

“Postgres changes are mirrored in real time to the lakehouse,” the company wrote when it announced the deal. Mirroring produces a second, columnar copy of the data, which is what makes the analytical queries fast.

Security, governance, auditing, and high availability, the company wrote, “only need to be implemented and managed once, on a single open foundation.”

The branching is the feature of this that was built specifically for agents — and a feature that is core to Neon, too. Because the data sits on object storage, an agent can fork a full database, test against it, and discard it, the way it would a Git branch. Databricks says even petabyte-scale databases can be copied in seconds, while on a traditional database, provisioning an instance takes minutes or hours and cloning production risks taking it down.

As Ghodsi noted in his keynote, agents love Postgres, but they do need better tools to work with them — and maybe better databases, too. “In the next 12 months, we’re going to see more software written than ever in the history of mankind,” he said. “All that software that your organizations are going to write using LLMs and coding tools need the database behind the scenes.”

What else is new?

LTAP was only one part of the company’s three-hour keynote. Like so many other enterprise vendors, Databricks is also thinking about how to get agent sprawl — and cost — under control. Databricks’ answer is Unity AI Gateway, a single control point for every model, agent, MCP server, and skill running in an organization. Among other features, it offers spending dashboards, budgets that can be set per team or per user, rate limits, and single sign-on across MCP servers.

The company also introduced Genie One, a general-purpose agent for business teams, fed by Genie Ontology, a new layer that builds a ranked graph of a company’s data with a PageRank-style algorithm it calls OntoRank.

Ghodsi also highlighted OpenSharing, a new protocol for sharing data, models, and agent skills across platforms (you may remember its predecessor Delta Sharing, but it is now a project under the Linux Foundation).

Databricks also debuted CustomerLake, a customer data platform aimed at marketing teams and announced an agreement to acquire Panther, a Python-based security company, to feed its Lakewatch security information and event management service.

Databricks’ moat?

It’s the data layer, though, and its data science history, where Databricks can really differentiate. At this point, it feels like every enterprise vendor, no matter their expertise, is adding agent builders, agent orchestration and governance tools. Databricks can be a relatively neutral player in this space — something Ghodsi also stressed in a press conference after the keynote.

But the company is also seemingly aware that while many of the other enterprise SaaS vendors can use their expertise and existing customer data that can feed AI agents as a moat, Databricks functions as more of a utility layer. It’s maybe no surprise then, that it is launching an industry-specific product like CustomerLake for the marketing industry that adds a pre-made product layer on data its customers already store on its platform.

The post Databricks wants to merge the two databases every company runs appeared first on The New Stack.

Who gets to be Switzerland in the enterprise agent wars?

Every enterprise software vendor is currently selling some version of the same thing: AI agents grounded in enterprise context and governed by a central control plane. SAP, ServiceNow, Salesforce — they all have one. 

At its ONE conference in Amsterdam in June, OutSystems unveiled its version, and its CEO, Woodson Martin, agrees that they all look quite similar on the surface, but unsurprisingly, he also believes that OutSystems has a very different approach.

Martin tells The New Stack that, in his view, “It would be very easy to just look at the market today and say all enterprise software players are offering exactly the same thing.” The reason for that, he says, is that enterprise agent orchestration, “is sort of greenfield today. Everybody’s aiming for it. Everybody’s got a great story about why they’ll be a leader or a player.”

For OutSystems, the story is neutrality. While SAP and Salesforce pitch agent orchestration from within their ecosystems, where they are also the systems of record, the 25-year-old former low-code company, which now describes itself as an agentic systems platform, wants to be the layer that coordinates across all of them without owning the underlying data.

OutSystem’s agent platform. Credit: The New Stack

The advantage of not being a system of record

Martin says the company has been playing some version of this for a long time. “We’re glue between commercial off-the-shelf solutions,” he says. “We’re the thing that makes the enterprise their own enterprise, as opposed to an SAP enterprise or a Salesforce enterprise.”

One asset management customer, he says, has used OutSystems as the orchestration engine across about 80 systems for fund onboarding for the past six or seven years. That wasn’t for any agentic systems yet, of course, but OutSystems’ role in this isn’t all that different. “We’re already playing that orchestrator role,” Martin says. “In other cases, we don’t have that position yet in the account, and we’ll have to fight for it.”

Tiago Azevedo, OutSystems’ CIO, makes the same argument. “We are agnostic to all of those things.” The OutSystems platform doesn’t create most of the data it touches, he notes. Instead, its focus was always on integrating existing systems. “Our happy place is when we bring several of those systems all together into a form that makes sense for a process,” he says.

Credit: The New Stack.

Open to Claude, Codex, and Kiro

At the ONE conference, the company launched the OutSystems Agent Experience, a platform layer that exposes Model Context Protocol (MCP) and Agent2Agent (A2A) services. Developers can now build, publish, and extend OutSystems applications with third-party coding tools like Claude Code, Codex, Cursor, and Kiro, AWS’s spec-centric IDE. 

The first of those services is now live on the OutSystems Developer Cloud (ODC), the cloud-native, current-generation platform. Support for OutSystems 11, the older self-managed platform where a large part of the installed base still runs, launched in early access

“Existing customers that live on O11, they’re like: what I would love to do was to be able to use Claude or Codex or whatever to evolve my applications in O11,” Azevedo says. “So we made that possible. “[…] We made a lot of people happy.” 

And indeed, when this was announced in the keynote, it drew more applause than some of the other large product announcements.

He sees no alternative to opening up the platform, given how freely developers now move between coding tools. “I strongly believe in open systems,” he says. “You close those environments, you’re gone.”

Other launches at the conference include the Agentic Enterprise Orchestration service and the next-generation OutSystems Agent Workbench, which is now generally available and adds agent evaluations, guardrails, semantic search, and Amazon Bedrock support. 

There is also a preview launch of a new modernization service, built on AWS Transform and Kiro, for migrating COBOL and Lotus Notes systems onto the platform, as well as a pre-packaged agentic solution for loan origination, the first of a family of packaged agentic industry solutions, which arrives later this year.

The new bane of IT departments: shadow AI

Shadow IT has returned as shadow AI, Azevedo says. And while he has always managed to stay ahead of internal technology demands with previous platform shifts, that’s getting harder now. “With AI it’s impossible,” he says. “It’s literally impossible. It’s not humanly possible.”

The way he describes it, a central team can build maybe 10 large agentic workflows that solve company-scale problems. “Those are what we call the big bets,” he says, and these bets exhaust the team’s capacity. Everything else means letting the rest of the organization build its own agents, and every one of those requests immediately raises questions of who gets to touch which company data and through which MCP servers. Demand from every department, he says, is growing almost exponentially.

The token bill

Unsurprisingly, this is now also coupled with the question of how much all these tokens cost. 

“I also have my CFO saying, what about the token usage? And what about the budget? And who’s gonna pay for that?” he says. “If you look at, let’s say, 500 euros or dollars a month, times 12, times, let’s say, 1,200 or 1,500 people, these are millions in a year.” 

For now, at OutSystems, he rations token budgets almost by hand, protecting projects that could scale and trimming those that serve an audience of one.

“It’s the most expensive software — and I managed big contracts,” says Azevedo. “The most expensive I’ve ever had in my hands.”

“It turns out my number one consumer of tokens on Anthropic in the month of April was a business value consultant in Australia … why is he burning $7,500 in tokens every week? That’s not in the budget.”

Martin tells a similar story from the CEO perspective. “It turns out my number one consumer of tokens on Anthropic in the month of April was a business value consultant in Australia,” he says. “And we’re like, why is he burning $7,500 in tokens every week? That’s not in the budget.”

Martin traces the shift to the latest generation of reasoning-heavy models, which arrived around January and February, “and we’re getting these token bills in March and April that are starting to scare everyone.”

For the overall OutSystems platform, the answer to this is model flexibility. Customers can bring their own models, swap them without touching the agent logic, and route requests through Amazon Bedrock to whatever is the cheapest option to do the job effectively. Some customers built model routers on OutSystems early on, Martin says, sending complex asks to expensive models and simple ones to cheaper ones. 

He also argues that OutSystems’ Enterprise Context Graph means that reasoning over an enterprise context graph is less token-intensive than reasoning over an application’s raw codebase.

“I think organizations are going to develop more discipline around this as we have for other elements of material spend in any enterprise,” Martin says. “This is now becoming material for almost everyone.”

OutSystems’ advantage may indeed be that it isn’t a system of record but ties into all of them. As those systems of record open up with new MCP tools, the former low-code platform may just be in the right position — and with the right customer base — to help its customers tie all of these together, even as those platforms launch their own agent builders and orchestration platforms. Sometimes you may want your agent to be close to the data, but over time, nobody wants to manage half a dozen agent orchestration platforms either. 

The post Who gets to be Switzerland in the enterprise agent wars? appeared first on The New Stack.

Google’s DiffusionGemma is 4x faster than its other Gemma models

About a year ago, Google demoed a diffusion model at its I/O developer conference, but went quiet about the technology soon after.

On Wednesday, however, Google broke that silence with the launch of DiffusionGemma, an experimental 26B mixture-of-experts model that uses diffusion to generate text 4x faster than its existing Gemma models.

Diffusion has long been the standard for generating images (think Stable Diffusion). Instead of generating one word at a time, models like DiffusionGemma or Inception’s Mercury 2 generate words in parallel.

At first, those blocks of text don’t make sense and seem random. But then, with each new step, the model refines the text and reduces the noise until it becomes the answer you were looking for. If you’ve ever looked at a diffusion image model generate images in real-time, that’s essentially the same process, but for text.

Credit: Google

With each step, the model denoises 256 tokens in parallel, which is why it can be much faster than a traditional autoregressive large language model. It basically iterates on the text with each step until it.

All of these tokens attend to all others, which Google says is especially helpful for use cases such as inline editing, code infilling, working with amino acid sequences, and mathematical graphs.

Credit: Google

Google says DiffusionGemma can produce more than 1,000 tokens per second on a single Nvidia H100. And since the model uses the mixture-of-experts technique, it doesn’t have to keep the full 26 billion parameters in memory; instead, it activates only 3.8 billion during inference. This means it can easily run on a GPU with 18GB of VRAM.

There are some tradeoffs, though. On all benchmarks, the DiffusionGemma model underperforms when compared to Gemma 4 26B A4B. That’s something Google itself acknowledges. There’s no technical reason why a diffusion model couldn’t perform just as well as a more traditional large language model, but the focus here is on speed.

“For applications that demand maximum quality, we recommend deploying standard Gemma 4,” Google says in its announcement.

Credit: Google

Availability

The model is now available on HuggingFace, with Unsloth and other quantizations available for those who want to run it locally using llama.cpp and (soon) similar local inference tools.

Google also worked with Nvidia to optimize the model for its hardware, including high-end GPUs like the  GeForce RTX 5090 and 4090, as well as the Nvidia DGX Spark and DGX Station (for those who can afford them). Nvidia NIMs are also available for the model.

The post Google’s DiffusionGemma is 4x faster than its other Gemma models appeared first on The New Stack.

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