# Migrating off chatgpt-4o-latest

**OpenAI** retires **chatgpt-4o-latest** on **2026-02-17**.
Documented replacement: **gpt-5.1-chat-latest**.

Source: https://developers.openai.com/api/docs/deprecations
Source last checked: 2026-09-15.
Calendar as of 2026-09-15 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| chatgpt-4o-latest | OpenAI | 2026-02-17 | gpt-5.1-chat-latest |

Source: https://llmlatency.dev/migrate/openai-chatgpt-4o-latest