The Ledger
Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.
why aren't all 444 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 12 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable
Kantrowitz: OpenAI and Anthropic remain startups due to immature technology
“They are startups in one really important way. And that is like, yes, the numbers are as big as any enterprise company most, right? But one of the things that defines a startup is you're not fully set on your product. You know, you become an established, like …”
Kantrowitz: Anthropic is widening its lead over OpenAI
“It seems like Anthropic is putting some distance between itself and OpenAI. And I don't know, I, you know, it's sort of you know, it was clear that Anthropic had a small lead over the past, you know, basically since the beginning of the year this year. But tha…”
Bostrom: Anthropic research found global workspace structures in large LLMs
“And so there was a recent paper by Anthropic looking at the existence of a kind of global workspace inside these large language models. This is the idea of there being a kind of almost like a stage inside a mind where some small subset of all the information t…”
Kantrowitz: An Anthropic AI Bot Also Broke Sandbox Containment
“It wasn't just OpenAI. Of course, we know that Anthropic had another bot that, that broke containment as well.”
Sharp: 8 to 10 Frontier AI Labs Are Building Equivalent Cyber Capabilities
“The reality is, is that the, this same weapon that's being invented is being invented by eight to 10 different frontier organizations all at the same time. And so you can't non-proliferate when that many people are building the same thing at the same time.”
Kantrowitz: Demis Hassabis Refocusing on Fundamental Science Is Good for AI
“So I actually think it's good for AI that Demis will be focusing more on the scientific side, probably more on the world model side and not deeply in LLM. So you'll have basically the talent that open AI and anthropic and potentially what's left of the AI orga…”
Cahn: Anthropic is the fastest-growing company in history
“What has happened with Anthropic in the last year is nothing short of mind blowing to anyone who studied companies, right? It's the fastest growing company in history.”
Cahn: OpenAI and Anthropic generate over $100B in combined revenue
“Today it's a hundred billion plus across OpenAI and Anthropic. Now there's still two companies driving the vast, vast, vast majority of the revenue in AI.”
Stamos: OpenAI and Anthropic Should Not Train Models to Hide Intrusions
“What you should be training it to do is find bugs. You should be training to write proof of concepts. You should be training it to do all the defensive stuff. You should not be training it. To hide it. To hide all those things. Like if the US government wants …”
Stamos: OpenAI's Autonomous Hacking Incident Demonstrates Capabilities Beyond Anthropic's Mythos
“This seems beyond even mythos capability and long horizon.”
Roy: AI Lab IPO Narratives Will Suffer as Cheaper Models Suffice
“And I do firmly believe overall utilization of models and agentic AI is going to be just, you know, like exponential, but the core IPO story, I think, takes a huge hit from this. So I think, like, the advantage of having something far superior for a short amou…”
Kantrowitz: Gating US Frontier AI Will Drive Enterprise Shift to Open Source
“If companies or countries cannot rely on the, or their ability to access frontier AI from US foundational model companies, they will rush toward open source. They will rush towards other solutions. They may, you know, not, they may be slower to go to these mor…”
Audit Finds $1.7M in Mistaken AI Overcharges, Mostly From Anthropic
“Between March and June, Vaudit audited bills sent to 60 companies totaling thirty-four million, mostly for usage of Anthropik's cloud code, and found about 1.7 million in mistaken overcharges.”
Roy: Frontier AI Growth Curves Are Flattening as Customers Route Models
“To me, the curve is no longer up into the right from where it was a few months ago. Just everything. Yeah. I mean, just again, When the Coinbase CEO is bragging about model routing, and here's five different models suited to different tasks, and everyone is ta…”
Anthropic Accuses Alibaba of Distilling Its Models
“Anthropic just accused Alibaba of distilling their models recently.”
Claude Opus 4.8 will catch 70% of important cybersecurity bugs
“Use Opus four eight right now, and I guarantee you'll get 70% of the bugs you care about.”
Anthropic's Glasswing participants found 10,000 security bugs but fixed only 1,000
“They have found like 10,000 bugs. Now, one of the problems with Glasswing is they found like 10,000 bugs, but they've only fixed a thousand.”
Commerce Department export controls barred foreign Anthropic developers from their models
“The Commerce Department signs an order saying that the models are designated export controlled and that no foreigner, including the Foreign citizens who worked and actually built the models themselves can touch them.”
China's open-weight GLM 5.2 rivals top Anthropic and OpenAI models
“It is within percentage points of the top closed models from anthropic and open AI in a bunch of things a bunch of evals. We don't know how good it is at bug finding yet, so there hasn't been any good testing here, but encoding a bunch of other intelligence ta…”
Anthropic's Glasswing access gating excluded critical infrastructure operators
“In the case of glass wing, I think it was honestly it. I thought it was not widespread enough. I know of like critical infrastructure companies that don't have access to mythos right now.”
Stamos: Running Opus 4.8 will catch 70% of critical bugs
“Use Opus four eight right now, and I guarantee you'll get 70% of the bugs you care about.”
Krieger: Top token users do not correlate with top performers
“We found that there's not a lot of correlation between
[10288] Mike Krieger: Like the person who's using the most tokens and like the person that I like, it's an interesting thought. I just made you at your companies like write down your 10 most productive peo…”
Stamos: Frontier AI matched top human bug finders in 2025
“This Rubicon was crossed well last year with the Opus four series with the GPT five series. That is when the models became better or as good or better than the best human bug finders and not just as good as the best Bug finders.”
Stamos: Glasswing found 10,000 bugs but only fixed 1,000
“Glasswing is they found like 10,000 bugs, but they've only fixed a thousand. Right. So like you do not want a 10 to one ratio of the bugs you found to fixed.”
Krieger: Anthropic found little correlation between employee token usage and actual productivity.
“We found that there's not a lot of correlation between
Like the person who's using the most tokens and like the person that I like, it's an interesting thought.
I just made you at your companies like write down your 10 most productive people that you think a…”
Roy: Google Gemini will monetize via ads, but Anthropic will avoid them
“At least anthropic is not, I mean, I don't think they're going in that direction at all. Google and Gemini, Obviously, 100% will”
OpenAI And Anthropic Are Incentivized To Maximize Enterprise Token Spending
“Neither OpenAI nor Anthropic have built products that allow firms to actually manage their token spend. Nor have they built products that incentivize firms to keep those costs under control. If anything, open and anthropic are incentivized to have firms spend …”
DeepSeek's Enterprise Growth Spike Unlikely To Withstand Rival Price Cuts
“Only about .4% of businesses are using it. Again, that's up from .1. So, Forex increase, but it's extremely small, and I think it's not going to be very durable, given that OpenAI and Anthropic are well positioned to respond to that with some price cuts.”
Product Experience Drives Enterprise AI Retention Over Raw Model Quality
“Better models don't necessarily create the switching for employees and users. It's about the product experience around those models.”
Roy: Anthropic's Fable safety warnings are largely a marketing strategy
“I feel there's, like,
A large element of marketing into the way Anthropic has kind of communicated around Mythos and now Fable Five.”
An AI price war risks OpenAI and Anthropic's premium luxury positioning
“So I think this is, like, if them going aggressively to Anthropic and trying to undercut them, I think could be short-term beneficial for them, but I think long-term just dramatically hurts them and Anthropic, because right now they are premium products.”
Roy: Anthropic and OpenAI now explicitly retain enterprise data for 30 days
“Enterprise agreements, the anthropic and open AI, as well as everyone else, like claim no data retention. Now they're just explicitly saying that they're going to for 30 days and like, that's a huge deal.”
Kantrowitz: Public company profit mandates conflict with Anthropic's AI safety mission
“When you IPO, you have a legal obligation to your shareholders to maximize profit and not to maximize AI safety, and I don't see how that can add up in the same direction.”
Siegler: OpenAI Faces Listing Trouble if Anthropic IPOs First
“If OpenAI goes out, if Anthropic goes out before OpenAI does, OpenAI is in a lot of trouble from a public listing perspective, just because we even talked about this when it was still just the notion that they would have a better bottom line, right? Like that …”
Kantrowitz: Google has fallen behind OpenAI and Anthropic in frontier models
“First of all, they didn't ship the Gemini the latest edition of Gemini pro. So if you think about foundational models, they have fallen behind open AI and anthropic with mythos in 5.5, as far as we can tell.”
Hinton: Fundraising needs make it difficult for Anthropic to prioritize safety
“Anthropic is now caught in a bind because it needs to raise money to compete with the other companies, and it's very difficult. It's doing the best it can, but it's very difficult for it to maintain its primary goal of developing air in a way that's good for p…”
Anthropic's annualized revenue surged to $14 billion by February 2026
“In January, 20, 25, it was a billion. May, 20, 25, three billion. June, 20, 25, four billion. August, 20, 25, five billion. October, seven billion. December, eight to ten billion. This year, February, 2026, fourteen billion. March, 2026, nineteen billion. Apri…”
Roy: Alphabet and Amazon Profits Rely Heavily on Anthropic Paper Markups
“Last quarter Alphabet, parent company, Google reported 62.6 billion dollars in profit. Google is a cash machine. They always have been. 28.7 billion of that was a paper markup on Anthropic. Amazon, 30.3 billion in profit. 16.8 billion, same Anthropic paper gai…”
Kantrowitz: SpaceX renting data centers to Anthropic signals giving up on AI
“Well, SpaceX has basically given up on the AI project, and I know that might sound extreme, but when you're renting data centers to Anthropik, you've given up.”
Roy: Claude will never repeat its previous six-month revenue growth
“The graph of revenue growth for Claude for the last six months, we will never see again. It was just something where no one was checking anything.”
Kantrowitz: OpenAI and Anthropic are gearing up to file for IPOs
“OpenAI and Anthropic as both gear up towards filing for IPOs. Maybe even this year we could potentially even see the paperwork for OpenAI come through as you and I record today, Ranjan.”
Kantrowitz: OpenAI's IPO push is driven by Anthropic's rapid revenue growth
“I think it is entirely a result of Anthropik's success. So you have a couple of curves that are running in parallel right now. So you have OpenAI, which made more money than Anthropik, but Anthropik's revenue and user growth, it seems like has, well, revenue i…”
Kantrowitz: xAI rented Colossus 1 compute cluster to Anthropic
“You just rented your AI warehouse Colossus One to Anthropic.”
Cherny Stopped Writing Code Entirely, Using Claude to Prompt Other Claudes
“When you look at the kind of engineering that I do, I don't write code. I prompt quad. And actually nowadays, mostly what I'm doing is I have a Claude that prompts other Claude. So I don't even talk to Claude. I have a Claude that's talking to my Claude.”
Anthropic Engineers Increased Code Output by Hundreds of Percent With Claude Code
“What happened with Claude is now many companies, including Anthropic, and all of our biggest customers are reporting gains on the order of hundreds of percentage points. And I think the last number that we reported is the amount of code written per engineer at…”
Cherny: Multi-Claude Automated Safety Checks Are Now Safer Than Human Approvals
“Essentially we found both in the laboratory setting, and now we're finding in the wild, this is safer than what we had before. So as a user, it's a really nice benefit, because you don't have to sit there and say yes over and over, and actually the result is b…”