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GPT-5.5 Instant (June 2026)
OpenAI · Released 2026-06-25 · Independent benchmark scores from Artificial Analysis
Intelligence Index
26.8
Output speed
140.9
tokens/sec
Blended price
$11.25
per 1M tokens
Time to first token
0.98s
Model metadata
| Model ID | c4169d75-9d24-4794-a9c3-69e1fe364de5 |
|---|---|
| Slug | gpt-5-5-instant-06-26 |
| Release date | 2026-06-25 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 140.9 tok/s |
| Time to first token | 0.98s |
| Time to first answer | 15.18s |
| Blended price ($/1M) | $11.25 |
| Input price ($/1M) | $5.00 |
| Output price ($/1M) | $30.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 39.40 |
| artificial analysis intelligence index | 26.80 |
| artificial analysis math index | — |
| gpqa | 82.3% |
| hle | 19.9% |
| ifbench | — |
| lcr | 70.0% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 52.5% |
| tau banking | 11.8% |
| tau2 | — |
| terminalbench hard | — |
| terminalbench v2 1 | 34.8% |
Source: artificialanalysis.ai/models/gpt-5-5-instant-06-26
Benchmark data from Artificial Analysis.