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model roundup

Mythos 5

7 items · started 2026-06-16 · closed 2026-06-25

  1. The recent decision ordering the company to shut down its Fable 5 and Mythos 5 models seems to be less about security than about obedience. The US government decision to force Anthropic to close down its latest and greatest AI models, Fabl…

  2. We want to help all companies be secure, working with the USG and the security ecosystem. *The full version of GPT-5.5-Cyber is here; state of the art performance on CyberGym.

  3. TL;DR Trump told Axios that Anthropic has “behaved very responsibly” and signalled he may ease restrictions on its Fable 5 and Mythos 5 AI models. The president's comments come days after the Commerce Department ordered Anthropic to seek U…

  4. A scenario forecast of how the US government's suspension of Claude Fable 5 and Mythos 5 resolves. The outcome depends on why the order was issued, which is hidden, so I forecast four cause-scenarios and what each implies for restoration t…

  5. I wanted Anthropic's Glasswing on hardware I own, so I built it: Lucent, a near-free bug-hunter running a local 27B Qwen on one RTX 3090. Here is the build, the telemetry, and the two real bugs it surfaced in hermes-agent.

  6. As the rest of the country celebrated the USA’s first World Cup win and the New York Knicks championship, Anthropic spent its weekend fighting the Trump administration over its latest model release. At 5:21 PM on Friday, the company receiv…

  7. I’m a Senior Software Engineer, and right now, I feel completely lost in limbo. I was a long-time Opus user.

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