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Anthropic launches Claude Fable 5 and Mythos 5

Anthropic launches Claude Fable 5 and Mythos 5anthropic.com

Fable 5 achieves state-of-the-art on nearly all benchmarks, with safeguards triggering in under 5% of sessions. Mythos 5, the same model with relaxed safeguards, is available to cyberdefenders through Project Glasswing. Fable 5 is included in usage plans until June 22, then costs 2x Opus usage.

btw insane amounts of alpha in telling claude code to "review my code for issues" on Fable rn while...10 days agoSwyx
AI subscriptions are dead Claude Fable 5 will only be on the Anthropic subscription until June...10 days agoAlex Finn
A TIL on using agentsview.io to calculate token spending with Claude Fable 5 despite that model not...10 days agoSimon Willison
ANTHROPIC 🔥: Claude Fable 5 is included in a usage plan until June 22 and will take 2x usage of...10 days agoTestingCatalog News
I've had access to Claude 5 Fable for a bit. A genuine jump in capability, I could feed it a 15 page...10 days agoEthan Mollick
Claude 5 Fable live, even in germany. Insane evals. Tessting time10 days agoKimmonismus
"Fable 5 requires usage credits. Update Claude Code to the latest version to learn more."...10 days agoKimmonismus
Anthropic actually released it...10 days agoMatthew Berman
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Jun 9, 5:40 PM
Anthropic launches Claude Fable 5 and Mythos 5 — AIBriefs