# Migrating off gpt-4-32k

**OpenAI** retires **gpt-4-32k** on **2025-06-06**.
Documented replacement: **gpt-4o**.

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 |
|---|---|---|---|
| gpt-4-32k | OpenAI | 2025-06-06 | gpt-4o |

Also retiring on 2025-06-06:
- gpt-4-32k-0613 (OpenAI) → gpt-4o
- gpt-4-32k-0314 (OpenAI) → gpt-4o
- Codestral Mamba 7B (Mistral) → Codestral

Source: https://llmlatency.dev/migrate/openai-gpt-4-32k