Model Tracker

tts-1-hd

tts-1-hd is an AI model made by OpenAI. OpenAI released it on 6 November 2023. It is deprecated. It takes text and returns audio.

Released: 6 November 2023 — openai.com, read 19 October 2026
Status: Deprecated — developers.openai.com, read 19 October 2026
Takes: Text — developers.openai.com, read 19 October 2026
Returns: Audio — developers.openai.com, read 19 October 2026
Open weights: Not confirmed: The maker's pages reviewed do not state whether the model's weights are open.
Licence: Not confirmed: The maker's pages reviewed do not state a licence for this model.
Context window: Not confirmed: The maker's pages reviewed do not print a context-window value for this model.
Longest answer: Not confirmed: The maker's pages reviewed do not print a standard maximum output value for this model.
Knowledge cutoff: Not confirmed: The maker's pages reviewed do not state a knowledge-cutoff date for this model.
API price, input: $30.00 per 1000000 characters — developers.openai.com, read 19 October 2026
API price, output: Not confirmed: The maker's model page prints a speech-generation cost per 1M characters, but does not state a separate output price.
Where: API — developers.openai.com, read 19 October 2026
Parameters: Not confirmed: The maker's pages reviewed do not publish a parameter count for this model.
Model card: https://developers.openai.com/api/docs/models/tts-1-hd — developers.openai.com, read 19 October 2026

Questions

OpenAI released tts-1-hd on 6 November 2023.

It is deprecated: OpenAI has announced the date it will retire it.

tts-1-hd takes text and returns audio.