… Now, with today's release of Claude Fable 5 , Anthropic says it finally has a model of this class that's "safe for general use." Anthropic is also releasing the unrestricted Mythos 5 model to members of its Project Glasswing program for use in sensitive cybersecurity and biology contexts. …
Anthropic disabled its two most capable AI models, Claude Fable 5 and Claude Mythos 5, for every customer worldwide on Friday, after the U.S. government issued an export control directive barring access by any foreign national, according to a statement the company published that evening. …
… Effective yesterday, Claude Code’s five-hour rate limits have doubled for all paid tiers. The company has also removed the peak hours limit reduction for Pro and Max. Lastly, it has “considerably” raised the API rate limits, the volume of requests developers can make, for Claude Opus models. …
Anthropic, the company behind the large language models known as Claude, has confidentially filed to go public, it announced in a blog post . …
… The news also comes hot on the heels of the Trump administration issuing an executive order that asks AI companies to volunteer their leading-edge models to the government for 30 days before they're made available to other entities, though it's unclear what will be classified as a "covered frontier… …
… On an internal test that asks each new model to make training code run faster, results climbed from roughly triple the original speed with Claude Opus 4 in May 2025 to about 52 times with the unreleased Mythos Preview model by April 2026, against the four to eight hours a skilled researcher needs f… …
… In April, Anthropic's Claude Mythos preview identified thousands of zero-day vulnerabilities across major operating systems and web browsers, and the company has since grown its Project Glasswing early-access program for the model. …
… This wasn’t the first time that an American AI lab has delayed the release of its frontier model due to security concerns. Back in early April, Anthropic released Claude Mythos Preview to select key institutions first, allowing them to prepare for the general release of the powerful AI model. …
… Artificial Intelligence A grey-market economy of API proxy services in China is reselling access to Anthropic's Claude models at as little as 10% of the official price. …
David Sacks, co-chair of the President's Council of Advisors on Science and Technology and the administration's former AI czar, said the U.S. government warned Anthropic that Claude Fable 5 had been jailbroken and that CEO Dario Amodei refused to fix the flaw or pull the model. …