| gpt-5.1openai | gpt-4.1openai | |
|---|---|---|
| Input price | $1.25 / 1M | $2 / 1M |
| Output price | $10 / 1M | $8 / 1M |
| Context window | 400K tokens | 1M tokens |
| Lifecycle | active | active |
| Deprecation deadline | — | — |
On input tokens, gpt-5.1 is 38% cheaper than gpt-4.1.
01 Recent changes: gpt-5.1
No changes recorded.
02 Recent changes: gpt-4.1
No changes recorded.