gpt-5.1-codex shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-sol costs $80 a month, higher than $32.5 for gpt-5.1-codex.
retired
| Announced | 2026-04-22 |
|---|---|
| Deprecated | Not published |
| Shutdown | 2026-07-23 |
| 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-codex shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-sol. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-sol costs $80 a month, higher than $32.5 for gpt-5.1-codex.
The official replacement is gpt-5.6-sol.
gpt-5.1-codex status is retired.
July 23, 2026 | gpt-5.1-codex | gpt-5.6-sol
Model ID: gpt-5.1-codex | context window 400000 | max output 128000 | input $1.25 | output $10