Indicators / series
epoch_bench.claude_sonnet_5_5_xhigh_recqsr4jck0uxorw5.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)
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4263fa5aa6b19e2b | 31.1% | grade B, evidence tier 6 | 2026-09-28 | 2026-09-28 | 6 | reported | api | approved | 2026-09-29 13:04 | 200 | 8748d8b3eb6e | — | source page |
Raw snippets and dispute text
- 4263fa5aa6b19e2b {"Accuracy": "0.311428571428571", "Cost per task": null, "Model version": "claude-sonnet-5-5_xhigh", "Name": "Claude Sonnet 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)", "Organization": "Anthropic", "Release date": "2026-09-28", "id": "recQsr4Jck0UXOrW5"}