A text-to-speech model from OpenAI built on GPT-4o mini, a fast language model. Use it to convert text into natural-sounding spoken audio.
Retired on Nov 6, 2026: requests to this model ID now return an error. These models are live and work with the same API key.
A text-to-speech model from OpenAI built on GPT-4o mini, a fast language model. Use it to convert text into natural-sounding spoken audio.
No. GPT-4o Mini TTS (Free) was retired on NagaAI on Nov 6, 2026, and requests to it now return an error. Live models you can use instead with the same API key: TTS-1 HD, TTS-1 and Gemini 3.8 Flash-Lite TTS (Free).
It takes text as input and returns audio.