Google's Gemini 3.1 text-to-speech model for expressive, controllable speech generation with native multi-speaker dialogue, 70+ language support, and audio tags for delivery control.
40.0
Quality Score
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Arena ELO
Undisclosed
Parameters
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Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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Apr 2026
Released