Gemini 3.1 Flash TTS

Convert any script into lifelike speech with Gemini 3.1 Flash TTS. Fine-tune emotion, pace, and tone using 200+ inline tags in 70+ languages.

Gemini 3.1 Flash TTS
Turn any script into lifelike narration and shape emotion, pace, and delivery with inline tags.
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Gemini 3.1 Flash TTS: Studio-Grade Speech, Tag by Tag

Built on Google's newest speech model, Gemini 3.1 Flash TTS performs your script the way a voice actor would — you decide where it whispers, where it speeds up, and where it lands hard. With 200+ inline tags, every line arrives broadcast-ready.

  • Fine-Grained Tag Control
    Place cues such as [whisper], [laugh], or [pause] inside your script, and Gemini 3.1 Flash TTS honors each one exactly where it appears.
  • Describe a Voice in Plain Words
    Tell the model who is speaking, where the scene takes place, and how it should feel — no phonetic markup or audio engineering needed.
  • 70+ Languages, One Workflow
    Produce expressive narration for audiences worldwide while keeping the same delivery control across every supported language.

How to Generate Speech with Gemini 3.1 Flash TTS

Four quick steps stand between your script and a finished, well-paced voice track.

What Gemini 3.1 Flash TTS Brings to Your Workflow

Everything needed for directed voice work — precise cue control, conversations between multiple speakers, and wide language coverage — inside a single Google-powered engine.

Sharper, More Human Delivery

Pronunciation is crisper and the emotional range is wider than in earlier generations of Google speech models.

Cues That Land Where You Put Them

More than 200 tags cover whispers, shouts, laughter, and silence, triggered at the exact point you mark.

Conversations with Distinct Voices

Script exchanges between several characters and give each one an independent voice, pace, and accent.

Direct the Scene in Everyday Words

Describe a character's role, setting, and mood in plain sentences, and the performance follows your intent.

Global Style, Line-by-Line Tweaks

Set one tone for the whole piece, then adjust individual sentences wherever extra nuance matters.

Cleared for Real Productions

Audiobooks, assistants, ads, and localized campaigns — the rendered audio is ready to ship as-is.

FAQ

Frequently Asked Questions About Gemini 3.1 Flash TTS

Quick answers on voice control, language coverage, and how this Google speech model handles real production work.

1

What is Gemini 3.1 Flash TTS?

It is Google's expressive text-to-speech engine. Feed it written text and it returns high-fidelity audio, with detailed control over tone, emotion, timing, and delivery style.

2

What are audio tags?

They are short instructions written into the script itself. Gemini 3.1 Flash TTS recognizes more than 200 of them — [whispers], [shouting], [urgency] — and applies each at the exact moment it appears.

3

How many languages does it support?

The model handles 70+ languages, so one workflow serves audiobooks, voice assistants, and multilingual campaigns aimed at listeners anywhere.

4

Can it handle multiple speakers?

Yes. You can build a dialogue with several characters in a single pass, assigning each their own voice, pacing, accent, and emotional register.

5

How do I control the speaking style?

Two ways: write a plain-language brief covering character, mood, accent, and tone, then refine specific moments with inline tags inside Gemini 3.1 Flash TTS for line-by-line precision.

6

Is it suitable for commercial projects?

Yes. Outputs can be used commercially — audiobooks, interactive agents, localized marketing, and enterprise voice work all qualify.

Put Gemini 3.1 Flash TTS Behind Your Next Voice Project

Creators everywhere rely on this Google speech engine for audio that genuinely sounds spoken. Write your first line with Gemini 3.1 Flash TTS and hear the difference in seconds.