Tag Archives: Claude Mythos 5

Anthropic deploys Claude Sonnet 5, Fable and Mythos restored

By | July 6, 2026

Anthropic deploys Claude Sonnet 5, Fable and Mythos restored Anthropic deploys Claude Sonnet 5, Fable and Mythos restored Anthropic has launched Claude Sonnet 5 and restored access to its Fable and Mythos frontier models following a federal export control review. The decision marks the conclusion of an eighteen-day operational pause triggered by a US government export control directive… Read More »

Introducing Claude Fable 5

By | June 10, 2026

Introducing Claude Fable 5  Introducing Claude Fable 5 Claude Fable 5 is our most capable model yet, now generally available. It’s a Mythos-class model with safeguards that let us share it broadly without compromising on safety. It can stay with complex tasks and hard problems for days, handling ambitious work across coding, research, analysis,… Read More »