Gemini 3.1 Flash TTS: the next generation of expressive AI speech
Google DeepMind introduces Gemini 3.1 Flash TTS, an AI speech model with improved naturalness and controllability via audio tags. It achieves an Elo score of 1,211 on the Artificial Analysis TTS leaderboard. The model supports 70+ languages, multi-speaker capabilities, and includes SynthID watermarking. Available in preview for developers via Gemini API, Google AI Studio, and Vertex AI, and for Workspace users via Google Vids.
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