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epoch_bench.claude_fable_5_1_unknown_recihu2r0cgia9tz3.apex_agents.pt

Source: Epoch AI benchmarks and Capabilities Index (Epoch AI) · CC BY 4.0 · CSV

Epoch AI, Benchmarking Hub and Epoch Capabilities Index (CC BY 4.0)

idvaluegradeas of datepublished datetieraudited vs reportedextraction methodreview statusretrieved athttp statuscontent hashsupersedes idurlflags
53b669ebbccc8e6468.6%grade B, evidence tier 62026-09-012026-09-016reportedapiapproved2026-09-22 10:2820055692b9c1ecf—source page
Raw snippets and dispute text
  • 53b669ebbccc8e64 {"Cost per task": null, "Model version": "claude-fable-5-1_unknown", "Name": "Fable 5.1 [claude-fable-5.1]", "Organization": "Anthropic", "Pass@1 score": "0.6859999999999999", "Release date": "2026-09-01", "id": "reciHu2R0cgIa9tz3"}