Gemini 3.1 Flash TTS enhances AI speech generation

Google has launched Gemini 3.1 Flash TTS, a new text-to-speech model offering advanced control and expressiveness in AI-generated audio. This model introduces granular audio tags, allowing users to precisely direct vocal style, pacing, and delivery in over 70 languages. It achieves high naturalness and expressivity, outperforming previous versions on benchmarks and offering cost-effectiveness. Gemini 3.1 Flash TTS is available through Google AI Studio, Vertex AI, and Google Vids, with all generated audio watermarked by SynthID to ensure authenticity and prevent misinformation.