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Gemini 3.1 Flash TTS

Google quietly shipped Gemini 3.1 Flash TTS. Text-to-speech just got faster and cheaper.

Reporting by Simon Willison 1 min brief
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The KeyNews take

Why it matters

Google is expanding Gemini's multimodal capabilities with a new text-to-speech model. For builders using Gemini APIs, this is a direct productivity and cost play—native TTS reduces dependency on third-party services and lowers inference costs.

The key facts

4 to know

  1. Gemini 3.1 Flash TTS announced/released

  2. Text-to-speech capability added to Gemini product line

  3. Likely targets API-first developers and enterprise integrations

  4. Published April 15, 2026 on Simon Willison's news site (credible AI coverage source)

Go to the source

Simon Willisonsimonwillison.net

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