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GPT-5.5 (High)
OpenAI · Released 2026-04-23 · Independent benchmark scores from Artificial Analysis
Intelligence Index
37.0
Output speed
0.0
tokens/sec
Blended price
$11.25
per 1M tokens
Time to first token
0.00s
Model metadata
| Model ID | b13c1257-d746-4027-8fc8-4892dc14701c |
|---|---|
| Slug | gpt-5-5-high |
| Release date | 2026-04-23 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 0.0 tok/s |
| Time to first token | 0.00s |
| Time to first answer | 0.00s |
| Blended price ($/1M) | $11.25 |
| Input price ($/1M) | $5.00 |
| Output price ($/1M) | $30.00 |
All evaluation scores (18)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 71.60 |
| artificial analysis intelligence index | 37.00 |
| artificial analysis math index | — |
| gpqa | 93.2% |
| hle | 45.0% |
| ifbench | 71.6% |
| lcr | 84.3% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 56.1% |
| tau banking | 36.7% |
| tau2 | 93.0% |
| terminalbench hard | 59.8% |
| terminalbench v2 1 | 79.4% |
| terminalbench v4 0 | 9.1% |
Source: artificialanalysis.ai/models/gpt-5-5-high
Benchmark data from Artificial Analysis.