Indicators / series
epoch_bench.claude_fable_5_1_max_t56n3x4kla3xz7tf5acmgb.frontiermath_t4.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)
| id | value | grade | as of date | published date | tier | audited vs reported | extraction method | review status | retrieved at | http status | content hash | supersedes id | url | flags |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cc19a3dafad15877 | 87.8% | grade A, evidence tier 1 | 2026-09-01 | 2026-09-01 | 1 | reported | api | approved | 2026-09-22 10:28 | 200 | 55692b9c1ecf | — | source page |
Raw snippets and dispute text
- cc19a3dafad15877 {"Best score (across scorers)": "0.8780487804878049", "Cost per task": null, "Model version": "claude-fable-5-1_max", "Name": null, "Organization": "Anthropic", "Release date": "2026-09-01", "Started at": "2026-09-01T18:38:24.000Z", "id": "T56N3X4KLA3xz7tf5aCMGb"}