Tag
claude
3 dispatches
Claude Fable 5 Scores 95% on SWE-bench, Then Hands Off to Opus 4.8
Anthropic's new Mythos-class model leads on coding benchmarks but deliberately defers to a safer predecessor in restricted domains. That design choice says more than the score.
Anthropic Ships a Model It Says Is Too Dangerous to Ship Without a Leash
Anthropic released Claude Fable 5, a public version of the restricted Mythos-class model, built around a safety-classifier layer that routes high-risk queries to a weaker model.
AI Just Completed Its First End-to-End Corporate Network Hack
Claude Mythos Preview completed a full 32-step corporate network attack simulation autonomously. The UK's AISI says this is a first — and frontier cyber-offence is doubling every four months.