FrontierThe story, in brief
Google AI Launches Gemini 3.1 Flash TTS: A New Benchmark in Expressive and Controllable AI Voice
Google just shipped Gemini 3.1 Flash TTS with native support for 70+ languages and multi-speaker dialogue. Here's why expressive AI voices matter for your product stack.
The KeyNews take
Why it matters
Google is advancing multimodal AI capabilities with a TTS model that moves beyond basic speech synthesis to controllable, expressive generation across 70+ languages. This is a direct capability upgrade in the model_wars space and signals competitive pressure in audio AI from the search giant.
The key facts
6 to knowGemini 3.1 Flash TTS released as preview
70+ languages supported natively
Natural-language audio tags for expressiveness control
Multi-speaker dialogue capability
Shift from black-box to controllable audio generation
Published April 15, 2026 (recent release)
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MarkTechPostmarktechpost.com
Publisher excerpt: Google has introduced Gemini 3.1 Flash TTS, a preview text-to-speech model focused on improving speech quality, expressive control, and multilingual generation. Unlike previous iterations that prioritized simple conversion, this release emphasizes natural-language audio tags, native support for…