Gemini 3.1 Flash TTS: New text-to-speech AI mannequin

Right this moment, we’re introducing Gemini 3.1 Flash TTS, the newest text-to-speech mannequin that delivers improved controllability, expressivity and high quality — empowering builders, enterprises and on a regular basis customers to construct the following era of AI-speech functions.

Beginning at this time, 3.1 Flash TTS is rolling out:

Improved speech high quality and controllability

We’ve improved the general speech high quality of Gemini 3.1 Flash TTS, making it our most pure and expressive mannequin to this point. On the Artificial Analysis TTS leaderboard, a benchmark that captures hundreds of blind human preferences, 3.1 Flash TTS achieved a formidable Elo rating of 1,211.