Google DeepMind · 2026 · Gemini-native

Gemini 3.1 Flash TTS

Released April 2026. Speech treated as a language task: 200+ audio tags for style, pacing, accent, and scene direction; native multi-speaker dialogue. Google is explicit that it does not stream and is for recitation, not live agents. No reusable demo clip was obtainable for this bench.

Known for

Leaderboard-era Gemini speech with SynthID watermarking.

Sample unavailable. No redistributable clip was on file. Listen on the official site rather than a fake waveform.
Year / era
2026
License class
commercial
Cloning
No
Streaming
No
Emotion controls
Yes
Languages (tags)
en · multilingual
Official
Source
Kokoro 82M · af_heart