gpt-5.5-instant
openai/gpt-5.5-instant
Creator
OpenAIReleased
2026-05-05Weights
not reportedContext
not reportedPrice in / out per Mtok
not reported / not reportedState
rankedHealth summary
1 of 1 score sit on benchmarks that still discriminate. Every number here has been measured independently.
Epoch Capability Index
142.4 (140.1–145.3)
Epoch AI's Capability Index. A composite score with no benchmark health record behind it, so it is never this site's ranking basis and is always attributed. Published by Epoch AI under CC BY 4.0. fetched 2026-10-19
Scores
| Benchmark | Config | Score | Harness | Provenance | Measured | Health |
|---|---|---|---|---|---|---|
| Knowledge | ||||||
| GPQAnearing saturation | base | 82.5% | not reported | ind. | 2026-05-05 | superseded |