Gemini 3.1 Flash TTS
Convert any script into realistic speech with Gemini 3.1 Flash TTS. Adjust emotion, pacing, and tone across 70+ languages and multi-speaker scenes.
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Gemini 3.1 Flash TTS: Precise Control Over Every Spoken Line
Built on Google's newest speech model, Gemini 3.1 Flash TTS reads your script the way you intend — 200+ inline tags shape emotion, pace, and delivery, while plain-language notes set character and mood for broadcast-ready results.
- Hundreds of Inline TagsSteer emotion, tempo, whispers, and laughter right inside the script with the built-in tag system.
- Plain-Language DirectionSet character identity, scene mood, accent, and attitude by writing a simple description — no technical parameters needed.
- 70+ Languages CoveredProduce expressive narration in more than 70 languages for global releases, dubbing, and multilingual learning content.
How to Generate Speech with Gemini 3.1 Flash TTS
Go from raw script to finished voiceover in four simple steps.
Gemini 3.1 Flash TTS Capabilities at a Glance
From per-sentence delivery tweaks to full multi-speaker conversations, Gemini 3.1 Flash TTS hands you detailed command over every element of the finished audio, in more than 70 languages.
Richer Vocal Expression
Pronunciation is crisper and delivery more animated than in earlier Google speech models.
200+ Inline Tags
Whisper, shout, pause, or laugh exactly where you want by placing tags inside the script.
Multi-Speaker Scenes
Build conversations between several voices, each keeping its own traits, accent, and pacing.
Direct It in Plain Words
Describe a speaker's role, setting, accent, and mood in ordinary language, and the model follows.
Global and Line-Level Control
Set an overall style for the whole piece, then refine individual sentences for extra nuance.
Ready for Commercial Use
Export audio suited to audiobooks, virtual assistants, ads, and enterprise campaigns.
Frequently Asked Questions About Gemini 3.1 Flash TTS
Answers to common questions about Gemini 3.1 Flash TTS — voice control, languages, licensing, and more.
What does Gemini 3.1 Flash TTS do?
It is Google's expressive speech model: it turns written scripts into high-fidelity audio while letting you steer tone, emotion, rhythm, and speaking style.
How do audio tags work?
Place inline markers such as [whispers], [shouting], or [urgency] directly in the text, and the model applies that expression at that exact moment — over 200 are supported.
Which languages are supported?
More than 70, so audiobooks, voice assistants, and multilingual campaigns can all be produced with a single tool.
Can several speakers appear in one clip?
Yes. Each speaker keeps an independent voice profile, style, pace, and accent within a single generation.
How can I shape the delivery?
Write a plain-language description of the character, scene, accent, and tone, then add inline tags for moment-by-moment adjustments.
Can I use the output commercially?
Yes — audiobooks, interactive agents, multilingual content, and enterprise audio projects are all covered.
Give Your Words a Voice with Gemini 3.1 Flash TTS
Thousands of creators already turn scripts into polished narration with this Google speech model. Type your first line and hear the difference in minutes.