It says new safeguards make it possible to release a Mythos-class model it previously said was too risky to make public. It says new safeguards make it possible to release a Mythos-class model it ...

Anthropic launched Claude Fable 5 on June 9, 2026, calling it the most capable model it has ever released to the general public. Alongside it, the company released Claude Mythos 5 for a small group of ...

China now has an open-weight model that can find software vulnerabilities and create attacks for anybody to use.

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead, the company has shared access with software vendors, including Apple, in an ...

For developers, Fable 5 is available through the Claude API as claude-fable-5. Anthropic says Fable 5 is fully available today on the Claude API and on consumption-based Enterprise plans. For ...

According to a statement posted to its website on Friday, Anthropic was forced to “abruptly disable” two of its most prized frontier AI models in response to a highly restrictive U.S. government order ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Anthropic is finally willing to give you Mythos, but it comes with some safeguard strings attached. On ...

Anthropic is finally willing to give you Mythos, but it comes with some safeguard strings attached. On Tuesday, Anthropic said it was releasing a "Mythos-class" model called Claude Fable 5, but with ...

Anthropic is releasing Claude Mythos 5 to trusted organizations and Claude Fable 5 to the public, a version it says can’t be used for cyberattacks. Anthropic is currently only releasing Claude Mythos ...

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