Gemini 3.1 Flash TTS
Give your copy a natural, human voice with Gemini 3.1 Flash TTS. Steer emotion and pacing with inline tags, and publish narration in 70+ languages.
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Gemini 3.1 Flash TTS — Voice Direction in Plain Text
Google's Gemini 3.1 Flash TTS converts scripts into rich, human-like narration. Steer emotion, tempo and delivery with 200+ inline tags, and get broadcast-quality audio without booking a recording booth.
- Over 200 Inline TagsBend emotion, pace, whispers and laughter mid-sentence by placing tags right inside your Gemini 3.1 Flash TTS script.
- Describe, Don't ConfigureSet a character's identity, mood, accent and attitude simply by describing them in everyday words.
- Speaks 70+ LanguagesReach listeners worldwide — produce expressive narration in more than seventy languages from a single prompt.
From Script to Finished Audio in Four Steps
Follow four quick steps to turn your written lines into polished, emotionally tuned audio.
Gemini 3.1 Flash TTS Capabilities at a Glance
A full expressive speech toolkit — precise audio control, multi-voice dialogue and wide language coverage, all driven by Google's Gemini 3.1 Flash TTS.
Richer Vocal Expression
Pronunciation is crisper and delivery far more varied than earlier generations of Google speech models.
Tag-Level Direction
More than 200 inline tags let you whisper, shout, pause or laugh exactly where the script calls for it.
Conversations with Many Voices
Build scenes where each character keeps its own voice, pace and personality in a single pass.
Plain-Word Direction
Describe the role, setting, accent and overall mood in ordinary sentences instead of technical settings.
Global and Line-by-Line Control
Set one style for the whole piece, then fine-tune individual sentences for subtle nuance.
Ready for Real Productions
Deliver audio that fits audiobooks, assistants and global campaigns without extra cleanup.
Gemini 3.1 Flash TTS: Your Questions Answered
Answers to the most common questions about this Google text-to-speech model and how its expressive features work.
What exactly is Gemini 3.1 Flash TTS?
It is Google's expressive speech model: you feed it written text and it returns natural, high-fidelity audio, with detailed control over tone, emotion, rhythm and delivery style.
How do audio tags work?
Tags such as [whispers], [shouting] or [urgency] sit right inside your text. With over 200 of them available, they tell Gemini 3.1 Flash TTS how a specific line should sound.
Which languages can it speak?
More than 70. That range makes it a practical fit for multilingual audiobooks, voice assistants and campaigns aimed at audiences across different regions.
Does it support several speakers at once?
Yes. You can script a conversation between multiple characters, and each one keeps its own voice profile, pace, accent and style inside a single render.
How can I shape the delivery?
Two ways: describe the character, scene, accent and mood in everyday language, or place inline tags at exact points for moment-by-moment adjustments.
Can I use the audio commercially?
Yes. Output is cleared for commercial work, from audiobooks and interactive agents to multilingual marketing and enterprise voice needs.
Give Your Words a Voice with Gemini 3.1 Flash TTS
Creators everywhere already turn their copy into lifelike narration with this Google model. Generate your first expressive voice track free — no recording gear needed.