Gemini 2.5 Flash TTS

google/gemini-2.5-flash-preview-tts

Speech generation model for controllable voice, narration, and audio delivery

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Context window: 33K
Input: Text
Output: Audio
Released: 2025-09-30

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

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ModelRegistry · Catalog updated 2026-10-12