Skip to content
Slow Variables
Ask

Indicators / series

epoch_bench.claude_fable_5_max_recvfxdxutc8d2l0n.critpt.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
2f760e84efbb4a2528.6%grade B, evidence tier 62026-06-092026-06-096reportedapiapproved2026-09-22 10:2820055692b9c1ecf—source page
Raw snippets and dispute text
  • 2f760e84efbb4a25 {"Accuracy": "0.2857142857", "Cost per task": null, "Model version": "claude-fable-5_max", "Name": "Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)", "Organization": "Anthropic", "Release date": "2026-06-09", "id": "recVfxdxUtc8D2L0n"}