Anthropic launches Claude Fable 5, a Mythos-class model

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Claude Fable 5 achieves a state-of-the-art 72.9% on CursorBench, 8 points above the previous best. The Mythos-class model features enhanced autonomy and memory but includes safety guardrails. Early tests show significant leaps in complex tasks.

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Anthropic finally released the model they were too scared to make public 🤯 It's called Claude...13 days agoVaibhav Sisinty

Claude Fable 5 is now available in Cursor. It sets a new state of the art on CursorBench at 72.9%,...13 days agoCursor

Fable 5: Guardrails and burn rate are annoying users, who say it’s still better than Opus 4.812 days agoMeredith Shubel

Introducing Claude Fable 513 days agoClaudeOfficialDiscuss

One Useful Thing (Ethan Mollick)·Ethan Mollick

Jun 9, 5:11 PM