2026-10-01: Text-to-speech models

Takes effect

6 Jan 2027

Published

4 Oct 2026

The following text-to-speech models are deprecated and will be removed from the API on January 6, 2027, with at least three months’ notice. Migrate to gpt-realtime-2.1-mini before the shutdown date. See the Realtime API guide to plan your migration. Shutdown date Model / system Recommended replacement Jan 6, 2027 tts-1 gpt-realtime-2.1-mini Jan 6, 2027 tts-1-hd gpt-realtime-2.1-mini Jan 6, 2027 gpt-4o-mini-tts-2025-03-20 gpt-realtime-2.1-mini Jan 6, 2027 gpt-4o-mini-tts-2025-12-15 gpt-realtime-2.1-mini

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