Gemini 3.1 Flash TTS Preview

Feb 2026
Older versionReplace withGemini 3.8 Flash TTSSame lab, current
Gemini 3.1 Flash TTS Preview
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$1 / $20per 1M in / out
—main score
Feb 2026released

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FAQ

Is Gemini 3.1 Flash TTS Preview free to use?›

There is no free API; the cheapest paid price is $1 per 1M input tokens.

How can I use Gemini 3.1 Flash TTS Preview?›

Through the Google API.

When was Gemini 3.1 Flash TTS Preview released? Is there a newer version?›

Released 2026-02-26. It is retired.

Is Gemini 3.1 Flash TTS Preview open source?›

No, Gemini 3.1 Flash TTS Preview is a closed model available through an API.

What is Gemini 3.1 Flash TTS Preview?›

Gemini 3.1 Flash TTS Preview is a closed speech & voice model from Google, released Feb 2026.