Gemini 3.1 Flash TTS
Gemini 3.1 Flash TTS turns scripts into expressive speech. Direct emotion with 200+ inline tags, cover 70+ languages, and build multi-speaker scenes fast.
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A New Standard in AI Speech: Gemini 3.1 Flash TTS
Built on Google's newest speech model, Gemini 3.1 Flash TTS reads your script aloud with genuine feeling. Shape tone, tempo, and emotion sentence by sentence with 200+ inline audio tags, then export audio that is ready for professional use.
- Over 200 Inline Audio TagsDrop markers like [whispers] or [laughs] straight into your script to steer feeling, timing, and emphasis while the voice performs.
- Describe the Voice in Plain WordsTell the model who is speaking and how the scene feels — accent, age, attitude, mood — and it adapts the performance to match.
- Coverage for 70+ LanguagesLocalize audiobooks, ads, and apps in more than seventy languages without switching tools or hiring separate voice talent.
From Script to Speech in Four Steps
Follow four quick steps to turn any script into polished, emotionally tuned audio.
Capabilities Built Into Gemini 3.1 Flash TTS
Everything you need for expressive voice work — precise audio controls, lifelike dialogue between speakers, and wide language coverage, all inside one engine.
Richer Vocal Expression
Pronunciation comes through crisper and the emotional range is wider than earlier Google speech models, so every line lands with real feeling.
Tag-Level Direction
More than two hundred built-in tags let you cue a whisper, a shout, a beat of silence, or a laugh at the exact word you choose.
Conversations, Not Monologues
Cast several voices in a single pass, each one carrying its own timbre, pace, and personality.
Direct It Like a Director
No coding or phoneme charts required — simply describe the character, the setting, and the mood in ordinary sentences.
Fine-Tune Every Line
Set one overall style, then adjust individual sentences wherever a moment calls for extra nuance.
Cleared for Commercial Work
Use the results in audiobooks, voice assistants, ads, and multilingual campaigns without extra licensing headaches.
Gemini 3.1 Flash TTS: Your Questions Answered
Quick answers about how Gemini 3.1 Flash TTS handles voices, languages, audio tags, and commercial use.
What exactly is Gemini 3.1 Flash TTS?
It is Google's expressive speech model. Feed it text and it returns natural, high-fidelity audio, with controls for tone, emotion, rhythm, and delivery style.
How do audio tags work?
You place short markers such as [whispers], [shouting], or [urgency] inside your script. The engine reads them as performance cues at exactly that point in the audio.
Which languages can it speak?
More than seventy. That range makes it a practical fit for audiobooks, assistants, and campaigns aimed at audiences in different regions.
Can two or more speakers talk in one clip?
Yes. You can assign separate voices, accents, and pacing to each character, and the whole conversation renders in a single pass.
What is the best way to steer the delivery?
Start with a plain-language brief covering the character, setting, and mood, then add inline tags wherever you want a shift in emotion or timing.
Can I use the audio commercially?
Yes. Outputs are cleared for commercial work, from audiobooks and interactive agents to multilingual marketing and enterprise voice needs.
Give Your Script a Voice with Gemini 3.1 Flash TTS
Thousands of creators already rely on this Google speech engine for narration, dialogue, and dubbing. Type your first line and hear Gemini 3.1 Flash TTS perform it in seconds.