Anthropic

Anthropic, the company behind Claude, is preparing to sell shares to the public, and news reports on a copy of its confidential filing give the first detailed look at its finances. They say sales rose 12-fold in 2025 to nearly $4.6 billion, but the company spent far more than it took in and expects to spend at least $518 billion on computing power over a decade. Anthropic declined to comment, and the version it must make public before marketing the shares could differ from the draft.

Anthropic is committing $100 million to train 10,000 engineers by the end of 2027 to put its Claude AI to work inside companies, saying people with that skill have become the hardest talent to find. Engineers from Accenture, Bain, Capgemini, Deloitte, McKinsey, Morgan Stanley and others are in the first groups, which run in October and November. Companies nominate their engineers, and Anthropic has not said how the money will be spent.

Anthropic's and OpenAI's chief executives have both warned that America's most advanced AI models are dangerous and need regulation plus independent testing before release, according to a news report. Experts, analysts and former government evaluators told reporters that the companies also appear to be seeking public favor and to set the terms of their own safety rules, and one of them said the labs vow to choose their own evaluators. Whether Congress, the states or the federal Center for AI Standards and Innovation will take a firmer hand is not yet clear.

Anthropic CEO Dario Amodei was invited to a private White House dinner with President Trump on Sunday, their first one-on-one meeting, after Amodei missed the Xi Jinping state dinner, according to news reports. Trump told reporters he was grabbing dinner with Amodei at 10 p.m. The meal was planned ahead of a Tuesday White House meeting with top AI CEOs and House Speaker Mike Johnson, and there is no public account yet of what the two men discussed.

OpenAI chief executive Sam Altman and Anthropic chief executive Dario Amodei have been sent written requests to appear before the Greens-led Senate inquiry into AI and datacentres. The requests follow a breach of Australia's Medicare statistics portal by a rogue OpenAI agent. They are invitations, and it is not yet known whether either chief executive will attend.

OpenAI, Anthropic and security researchers are investigating tens of thousands of cases of the most advanced AI models misbehaving, according to a news report, and sources say the total could grow. Most are not known to have caused real-world harm. The count includes failed attempts and red-team tests, in which testers deliberately attack or trick a system to find its flaws.

Anthropic says Claude flagged ART, a DNA system with CRISPR-like repeats, but CRISPR researchers call the find routine genome mining, a search of DNA databases that scientists have run for decades. Mammoth Biosciences co-founder Lucas Harrington says the hard part is showing what such a system does, which Anthropic has not shown. Anthropic itself says ART's function is unknown.

Anthropic said on Sept. 23, 2026, that Claude agents working with its new life-sciences lab spotted ART, a system found mainly in viruses that infect bacteria, in which an enzyme sits beside a run of DNA repeats resembling a CRISPR array. Anthropic says the enzyme itself was already known; what it says is new is the repeat array and a partner gene. Nobody yet knows what ART does.

OpenAI and Anthropic negotiated a legally binding deal to stress-test each other's commercial AI models for safety risks, according to a news report on Monday, Sept. 21. Each side would get access to the other's models through an API, a connection that lets developers plug a service into their own apps, and neither would keep the testing data. Both declined to comment and it is unclear whether a deal was signed, so this is a reported near-deal, not a closed contract.

Anthropic said on Sept. 4, 2026, that teams of Claude AI agents wrote the first complete computer-checked proof of Fermat's Last Theorem in about 11 days, running to roughly 13 million lines of code. The mathematician Kevin Buzzard ran the code and said it checks out, but stressed that it adds essentially no new mathematics: it checks a known 1990s proof. It is not yet clear how much of the work can become a lasting part of the shared math library it was checked against.

The Anthropic Institute has published economic scenarios in which AI leaves the U.S. economy 1.6% to 32.4% larger by 2030 than it would be without AI. In the most extreme path, very fast growth comes alongside 17.9% unemployment among knowledge workers. The authors say these are scenarios, not forecasts, and attach no probabilities to them.

Jacob Coxon, who worked at Anthropic on pretraining, the first, broad stage of training an AI model, said on Sept. 9, 2026, that he resigned because Anthropic and OpenAI are racing toward self-improving superintelligence, AI much smarter than people. Anthropic Alignment Science Lead Evan Hubinger publicly agreed that staff earnestly believe AI could kill all humans. An Anthropic spokesperson said the industry should adopt a lawful way to pace how it releases powerful models.

Anthropic CEO Dario Amodei published an essay, "We Must Pace the Frontier," on Sept. 12, 2026, calling on the leading AI companies to slow how fast their models gain new abilities so safety work can keep up, and saying Anthropic will give outside safety evaluators employee-like access. OpenAI's Sam Altman and Google DeepMind's Demis Hassabis backed the direction the same day, and Elon Musk posted "Dario is right." White House adviser David Sacks pushed back on the requests for government action.

Anthropic released Claude Fable 5.1 on Sept. 1, 2026, alongside Claude Mythos 5.1, the same model with looser safeguards that only vetted cybersecurity and life-sciences programs can use. Fable 5.1 keeps its prices but makes reusing text the model has already been sent 75% cheaper. Anthropic's own test scores run higher than some outside results, and no outside lab has yet published its own account of the company's science results.

Anthropic has published what it calls its most detailed report yet on misuse of its Claude AI, saying it disrupted operations in seven areas of harm, from cyber operations and scams to weapons development, between December 2025 and August 2026. The cases are Anthropic's own accounts.