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Google — Archive · Vol 337 Issue 3

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The Decoder, Wednesday, April 15th, 2026

Google Ships Its Most Expressive Gemini 3.1 Text-to-speech Model Yet With 70+ Language Support

Vol 337 · Issue 3 · 2026-04-15

Google is rolling out its new text-to-speech model based on Gemini 3.1 Flash. The company says it's the most natural and expressive voice output it has shipped to date. The big new feature is audio tags-simple text commands that let developers control the style, tempo, tone, and accent of the generated speech. The model supports over 70 languages and can handle multi-speaker dialogs.

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Google Ships Its Most Expressive Gemini 3.1 Text-to-speech Model Yet With 70+ Language Support