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Type: AI model

Fable 5 is the shorthand for Anthropic’s Claude Fable 5, the publicly available, safety-gated flagship of the fifth Claude generation released June 2026. It tops most benchmarks among generally available models, including roughly 80% on SWE-Bench Pro. GROUNDING tracks Fable 5’s benchmarks, guardrails, and relationship to the partner-only Mythos 5.

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FAQ

What is Fable 5?

Fable 5 is the shorthand for Anthropic’s Claude Fable 5, the publicly available, safety-gated flagship of the fifth Claude generation released June 2026. It tops most benchmarks among generally available models, including roughly 80% on SWE-Bench Pro. GROUNDING tracks Fable 5’s benchmarks, guardrails, and relationship to the partner-only Mythos 5.

What does this page track?

Dated radar mentions, source links, related concepts, and builder-relevant context for Fable 5, collected automatically by GROUNDING.

When was Fable 5 last mentioned?

Fable 5 was most recently mentioned in a radar update dated 2026-07-17.