GPT-5.1 Instant specs, prices, where it runs and its benchmark standing
top 10 on 0 of 2
| Rank | Board | Score | |||
|---|---|---|---|---|---|
| 28 | Chat | 51.2% | 35 | ||
| 34 | Reasoning | 6.8% | 44 |
Versions and release history
2 versions in this line since May 5, 2026, from Pricing, OpenRouter and the boards.
| Version | Released | |
|---|---|---|
| GPT-5.5 Instant (June 2026) | May 5, 20266 months ago | Boards |
| GPT-5.1 Instantthis model |