# Migrating off gpt-4o-mini-tts-2025-12-15

**OpenAI** retires **gpt-4o-mini-tts-2025-12-15** on **2027-01-06** (in 93 days).
Documented replacement: **gpt-realtime-2.1-mini**.

Source: https://developers.openai.com/api/docs/deprecations
Source last checked: 2026-10-05.
Calendar as of 2026-10-05 UTC.

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| gpt-4o-mini-tts-2025-12-15 | OpenAI | 2027-01-06 | gpt-realtime-2.1-mini |

Also retiring on 2027-01-06:
- tts-1 (OpenAI) → gpt-realtime-2.1-mini
- tts-1-hd (OpenAI) → gpt-realtime-2.1-mini
- gpt-4o-mini-tts-2025-03-20 (OpenAI) → gpt-realtime-2.1-mini

Source: https://llmlatency.dev/migrate/openai-gpt-4o-mini-tts-2025-12-15