GPT 5.5 Codex
Not yet ranked: too few independent results so far.
- Blended price
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- Output speed
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- First answer
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- Context
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- Agents & tools46
Benchmark results
One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Coding
| Benchmark | default | Source |
|---|---|---|
| SWE-bench (Vals)not in index | 76.4%#35 | Vals AI |
Agents & tools
| Benchmark | default | Source |
|---|---|---|
| Terminal-Bench 2.1 (Vals) | 57.3%#34 | Vals AI |
See also
Data as of 9 Sept 2026. Compare with another model.