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Simon Willison Products & Launches Apr 15

Gemini 3.1 Flash TTS

★★★★★ significance 3/5

Google has released Gemini 3.1 Flash TTS, a new text-to-speech model accessible via the Gemini API. The model allows users to direct audio output using descriptive prompts to control style, tone, and character personality.

Why it matters Granular control over vocal expression moves generative audio from simple text-to-speech toward sophisticated, emotive-driven agentic interaction.
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Entities mentioned

Google

Tags

#google #gemini #tts #generative audio #api

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