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GPT-5.5 Instant (May 2026)
OpenAI · Released 2026-05-05 · Independent benchmark scores from Artificial Analysis
Intelligence Index
33.5
Output speed
0.0
tokens/sec
Blended price
$11.25
per 1M tokens
Time to first token
0.00s
Model metadata
| Model ID | e34ffffb-d8e1-4f5c-a2c7-3ca19c235eeb |
|---|---|
| Slug | gpt-5-5-instant-05-26 |
| Release date | 2026-05-05 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 0.0 tok/s |
| Time to first token | 0.00s |
| Time to first answer | 0.00s |
| Blended price ($/1M) | $11.25 |
| Input price ($/1M) | $5.00 |
| Output price ($/1M) | $30.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | — |
| artificial analysis intelligence index | 33.50 |
| artificial analysis math index | — |
| gpqa | 84.6% |
| hle | 20.3% |
| ifbench | 71.5% |
| lcr | 55.7% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 50.3% |
| tau banking | — |
| tau2 | 49.4% |
| terminalbench hard | 42.4% |
| terminalbench v2 1 | — |
Source: artificialanalysis.ai/models/gpt-5-5-instant-05-26
Benchmark data from Artificial Analysis.