# Migrating off GPT-4.1

**OpenAI** retires **GPT-4.1** on **2027-01-14** (in 87 days).
Documented replacement: **gpt-6-luna**.

Source: https://developers.openai.com/api/docs/deprecations
Source last checked: 2026-10-19.
Calendar as of 2026-10-19 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| GPT-4.1 | OpenAI | 2027-01-14 | gpt-6-luna |

Also retiring on 2027-01-14:
- GPT-4o (OpenAI) → gpt-6-luna
- GPT-4o mini (OpenAI) → gpt-6-luna
- GPT-4.1 mini (OpenAI) → gpt-6-luna

Source: https://llmlatency.dev/migrate/openai-gpt-4-1