What changed
Time to bail on OpenAI tts-1, tts-1-hd and gpt-4o-mini-tts? Act. You can stay. These voice models shut down January 6, 2027. Move to gpt-realtime-2.1-mini first.
On our scale this is Act: change a setting or plan before the date. You can stay.
OpenAI removes tts-1, tts-1-hd and two gpt-4o-mini-tts snapshots on January 6, 2027. They leave the API that day. OpenAI says to use gpt-realtime-2.1-mini instead.
Here are the facts we checked:
- Shutdown date: January 6, 2027 (OpenAI)
- Models that shut down: tts-1, tts-1-hd, gpt-4o-mini-tts-2025-03-20, gpt-4o-mini-tts-2025-12-15 (OpenAI)
- Replacement: gpt-realtime-2.1-mini for all four (OpenAI)
- How to plan the move: OpenAI points to its Realtime API guide (OpenAI)
- Notice OpenAI gave: At least three months (OpenAI)
- Announced: October 1, 2026 (OpenAI)
- After shutdown: The model can no longer be accessed (OpenAI)
- Shutdown dates in the API: GET /v1/models lists each model's shutdown_date (OpenAI)
- Apps that call these models: Stop working on January 6, 2027 (OpenAI)
You can stay on OpenAI API. You have to change a setting or plan before the date.
Leaving is a choice here, not a must.
OpenAI is the main source for this page. OpenAI API has not said more than what is listed here. If a fact is not on this page, we do not know it yet.
Who is affected
Apps that call these models: Stop working on January 6, 2027.
The date to remember is January 6, 2027. Make the change before then.
What to do before January 6
- Find your speech calls. Search your code and settings for tts-1, tts-1-hd and the dated gpt-4o-mini-tts names.
- Move to gpt-realtime-2.1-mini. OpenAI names it for all four models. Read its Realtime API guide before you change code.
- Test voices before January 6. Listen to a few outputs. Check speed and cost too.
A few tips:
- Make the change yourself before the date. Do not wait for the last reminder email.
- Write down your current plan or settings first, so you can compare after the change.
- After the change, open your settings again and check that it worked.
How to tell your users
If the change affects your members or team, send one short email. Say what changes for them and when. Put the most important line first.
If there is a date, send a short reminder a few days before it. Keep a copy of the list you sent it to.
Options people mention
Listed for convenience. Not ranked. Not paid. These names come up in threads and reviews; that does not show where people moved.
Before you pay, check the price page of each tool yourself. Prices change, and we only list what our sources say.
Questions people ask
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Sources