gpt-5.1 shuts down on 2027-04-01 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-6-sol costs $40 a month, higher than $32.5 for gpt-5.1.
deprecated
| Announced | 2026-10-01 |
|---|---|
| Deprecated | Not published |
| Shutdown | 2027-04-01 |
| Kind | exact |
See the replacement diff · OpenAI models
| Input price / 1M | $1.25 · source, checked 2026-10-17 |
|---|---|
| Output price / 1M | $10 · source, checked 2026-10-17 |
| Cached input / 1M | $0.125 · source, checked 2026-10-17 |
| Context window | 400,000 · source, checked 2026-10-17 |
| Max output | 128,000 · source, checked 2026-10-17 |
| Reasoning | Not published |
| Vision | Not published |
| Tools | Not published |
gpt-5.1 shuts down on 2027-04-01 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-6-sol costs $40 a month, higher than $32.5 for gpt-5.1.
The official replacement is gpt-6-sol.
gpt-5.1 status is deprecated.
Apr 1, 2027 | gpt-5.1 | gpt-6-sol
Model ID: gpt-5.1 | context window 400000 | max output 128000 | input $1.25 | output $10