TTS-1 HD changelog

Every change to TTS-1 HD that Modelpeers has recorded, newest first, each with the source it came from. The record starts Oct 1, 2026.

All (1)Retiring (1)

October 2026

TTS-1, TTS-1 HD and GPT-4o mini TTS

3 models from OpenAI

RetiringOct 1, 2026

Text-to-speech models to shut down January 6, 2027

tts-1, tts-1-hd and both gpt-4o-mini-tts snapshots will be removed on January 6, 2027, with gpt-realtime-2.1-mini as the replacement.

Takes effect Jan 6, 2027 · in 66 days

Who is affected:: Apps generating speech with these models.
Action needed:: Migrate to gpt-realtime-2.1-mini before January 6, 2027.

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