Indicators / series
epoch_bench.gpt_5_2_pro.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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2c6d66e1dd09052b | 155 index (153–158) | grade A, evidence tier 1 | 2025-12-11 | 2025-12-11 | 1 | reported | api | approved | 2026-09-10T06:33:11.514623Z | 200 | cde2f74ecf00 | — | source page |
Raw snippets and dispute text
- 2c6d66e1dd09052b {"Accessibility group": "Closed weights", "Display name": "GPT-5.2 Pro", "Model": "GPT-5.2 Pro", "Organization": "OpenAI", "date": "2025-12-11", "eci": "155.34", "eci_ci_high": "157.88", "eci_ci_low": "153.04"}