# Migrating off gpt-5-nano-2025-08-07

**OpenAI** retires **gpt-5-nano-2025-08-07** on **2026-12-11** (in 134 days).
Documented replacement: **gpt-5.6-luna**.

Source: https://developers.openai.com/api/docs/deprecations

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| gpt-5-nano-2025-08-07 | OpenAI | 2026-12-11 | gpt-5.6-luna |

Also retiring on 2026-12-11:
- gpt-5-2025-08-07 (OpenAI) → gpt-5.6-sol
- gpt-5-mini-2025-08-07 (OpenAI) → gpt-5.6-terra
- gpt-5-pro-2025-10-06 (OpenAI) → gpt-5.6-sol (reasoning.mode: pro)
- o3-2025-04-16 (OpenAI) → gpt-5.6-sol
- o3-pro-2025-06-10 (OpenAI) → gpt-5.6-sol (reasoning.mode: pro)

Source: https://llmlatency.dev/migrate/openai-gpt-5-nano-2025-08-07