Indicators / series
epoch_bench.gpt_5_nano.eci_closed.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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| f6e844b5e8b0dde5 | 139 index (134–142) | grade A, evidence tier 1 | 2025-08-07 | 2025-08-07 | 1 | reported | api | approved | 2026-09-10T06:33:11.514623Z | 200 | cde2f74ecf00 | — | source page |
Raw snippets and dispute text
- f6e844b5e8b0dde5 {"Accessibility group": "Closed weights", "Display name": "GPT-5 nano", "Model": "GPT-5 nano", "Organization": "OpenAI", "date": "2025-08-07", "eci": "139.4", "eci_ci_high": "141.52", "eci_ci_low": "134.43"}