Is Claude Mythos 5.1 out yet?
No.
When is Claude Mythos 5.1 coming out?
Claude Mythos 5.1 is not out yet. Readers guessing here settle on an average of Aug 12, 2026, drawn from 2 guesses. OutYet.ai rechecks Anthropic's official release surfaces every minute and flips this page the moment access goes live. Last checked Jul 1, 2026.
Last checked just now
Wisdom of the crowd
August 12, 2026
2 guesses
Benchmarks
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Vibe Rating
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Vibe Ratings open once this model is released — rate it after you’ve tried it. For now, you can guess its release date above.
Community Consensus
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