gpt-5.4-mini does not have a published shutdown date per OpenAI's deprecation page (checked 2026-10-26). No official replacement is published on that page. Published on the official docs: input price $0.75 per million tokens, context window 400,000 tokens, max output 128,000 tokens.
active
The image shows the model id and the status from this page. The link opens this page.
shields.io can use the JSON file at /badge/openai/gpt-5-4-mini.json. The badges page has the endpoint snippet.
| Announced | Not published |
|---|---|
| Deprecated | Not published |
| Shutdown | Not published |
| Kind | none |
| Region | The OpenAI API still serves gpt-5.4-mini. Codex retired gpt-5.4-mini for ChatGPT sign-in on August 31, 2026. Codex sessions authenticated with an API key are not affected. The Codex models page says to replace gpt-5.4-mini with gpt-6-luna when it is available. In Enterprise and Edu, an administrator must enable Luna first. |
The OpenAI API still serves gpt-5.4-mini. Codex retired gpt-5.4-mini for ChatGPT sign-in on August 31, 2026. Codex sessions authenticated with an API key are not affected. The Codex models page says to replace gpt-5.4-mini with gpt-6-luna when it is available. In Enterprise and Edu, an administrator must enable Luna first.
Not published.
See the replacement diff · OpenAI models · All deprecated models · All retired models
No request-error page names this model id.
| Input price / 1M | $0.75 · source, checked 2026-10-26 |
|---|---|
| Output price / 1M | $4.5 · source, checked 2026-10-26 |
| Cached input / 1M | $0.075 · source, checked 2026-10-26 |
| Context window | 400,000 · source, checked 2026-10-26 |
| Max output | 128,000 · source, checked 2026-10-26 |
| Reasoning | Not published |
| Vision | Not published |
| Tools | Not published |
gpt-5.4-mini does not have a published shutdown date per OpenAI's deprecation page (checked 2026-10-26). No official replacement is published on that page. Published on the official docs: input price $0.75 per million tokens, context window 400,000 tokens, max output 128,000 tokens.
No official replacement is published on that page.
gpt-5.4-mini status is active.
Model ID: gpt-5.4-mini | Our strongest mini model yet for coding, computer use, and subagents
On August 31, 2026, GPT-5.4 and GPT-5.4 mini will no longer be available in Codex for users signed in with ChatGPT. GPT-5.4 and GPT-5.4 mini will remain available on the OpenAI API and Codex sessions authenticated with an API key.
The gpt-5.4 and gpt-5.4-mini models retired from Codex with ChatGPT sign-in on August 31, 2026. Replace gpt-5.4-mini with gpt-6-luna when available to your plan and client. The OpenAI API and Codex authenticated with your own API key aren't affected by the GPT-5.4 retirement.
No logged changes for this model yet.