Gemini 3.1 Flash TTS Preview

google/gemini-3.1-flash-tts-preview

Low-latency speech generation with steerable prompts and expressive audio tags

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Context window: 8.2K
Input: Text
Output: Audio
Released: 2026-04-15

Max output: 16K
Knowledge cutoff: 2025-01
Weights: Closed
Capabilities: Temperature

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Speech generation · provider voicesProvider voices	Speech		Artificial Analysis	2026-11-05

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ModelRegistry · Catalog updated 2026-11-05