gpt-5.1-codex-mini shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-terra costs $44 a month, higher than $6.5 for gpt-5.1-codex-mini.
retired
| Announced | 2026-04-22 |
|---|---|
| Deprecated | Not published |
| Shutdown | 2026-07-23 |
| Kind | exact |
See the replacement diff · OpenAI models
| Input price / 1M | $0.25 · source, checked 2026-10-17 |
|---|---|
| Output price / 1M | $2 · source, checked 2026-10-17 |
| Cached input / 1M | $0.025 · 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-mini shut down on 2026-07-23 per OpenAI's deprecation page (checked 2026-10-17). The official replacement is gpt-5.6-terra. On the labeled example of 10 million input tokens and 2 million output tokens, gpt-5.6-terra costs $44 a month, higher than $6.5 for gpt-5.1-codex-mini.
The official replacement is gpt-5.6-terra.
gpt-5.1-codex-mini status is retired.
July 23, 2026 | gpt-5.1-codex-mini | gpt-5.6-terra
Model ID: gpt-5.1-codex-mini | context window 400000 | max output 128000 | input $0.25 | output $2