Google: Gemini 3.1 Flash TTS Preview
google/gemini-3.1-flash-tts-preview- Modalities
- text->speech
- In / out price
- $1 / $20
- Context
- 33K
- Released
- Apr 24, 2026
- Knowledge cutoff
- —
per 1M
The playground sends chat/completions only. This model outputs Speech, so a chat turn may not return what you expect.
Gemini 3.1 Flash TTS Preview is a text-to-speech model from Google, and a substantial generational step up from Gemini 2.5 Flash TTS. It takes text input and produces audio output...
AudioSpeech
Supported parameters
This model does not publish a parameter list.