Question 1

What can I make with Gemini 3.8 Flash-Lite TTS?

Accepted Answer

Clear speech in quantity. Voice a batch of product videos, social clips, or app prompts. Read an article or a help page aloud. Try a script in several voices before you commit to a final read. Each run returns a WAV file you can drop into Premiere Pro, DaVinci Resolve, Final Cut Pro, CapCut, or any audio editor.

Question 2

Should I pick Gemini 3.8 Flash-Lite TTS or Flash TTS?

Accepted Answer

Pick Flash-Lite TTS when speed and cost matter most: many short lines, read-aloud features, or a first draft of a script. It costs about a third less than Flash TTS. Pick Flash TTS for an audiobook, a long narration, or a read with real emotion, since Google built it for studio-grade voices and harder pronunciation. Both use the same 30 voices and read up to 10,000 characters per run, so you can draft on Flash-Lite and switch for the final take.

Question 3

How do I add a laugh, a sigh, or a pause?

Accepted Answer

Write a short tag in angle brackets where it should happen, like , , , , or . The voice acts it out instead of reading the tag aloud. Write the tags in English, even when the script is in another language. Punctuation shapes the rhythm too, so a comma, an ellipsis, or a full stop changes the pace of the read.

Question 4

Which voices can I use, and can I clone my own voice?

Accepted Answer

Pick from 30 Google voices, each with a one-word character. Kore, the default, is firm. Puck is upbeat, Charon is informative, Sulafat is warm, and Algenib is gravelly. Voice cloning and custom voices are not available, so a recording of a real voice cannot be used. For a voice of your own, design one in ElevenLabs Voice Design and speak with it in ElevenLabs Text to Speech.

Question 5

Which languages does it speak?

Accepted Answer

Google says Gemini 3.8 Flash-Lite TTS speaks over 100 languages and detects the language of your text on its own. Write the script in the language you want to hear, and the voice reads it in that language. Try two or three voices for a new language and keep the one that sounds most natural. For a less common language, switch to Flash TTS, which covers over 130.

Question 6

How long can my text be?

Accepted Answer

Up to 10,000 characters per run, spaces and tags included. As a rough guide, 1,000 characters make about a minute of speech. For a longer piece, split the script at paragraph breaks and generate each part with the same voice. If the text is too long, Visual Sandbox tells you before it charges anything.

Question 7

How do I fix a word it pronounces wrong?

Accepted Answer

Spell it the way it sounds. A name like Siobhan reads better as Shiv-awn. Write numbers, dates, and abbreviations as words when the exact reading matters. If a hard name still comes out wrong, try the same line on Flash TTS. A single line costs very little, so test it on its own first.

Question 8

How is it different from ElevenLabs Text to Speech?

Accepted Answer

Both turn a script into speech. Gemini 3.8 Flash-Lite TTS costs much less per character, speaks more languages, and returns a WAV file. ElevenLabs Text to Speech returns an MP3, follows audio tags in square brackets like [whispers], and can speak in a voice you designed with ElevenLabs Voice Design. Pick Flash-Lite for volume and a tight budget. Pick ElevenLabs when you need a voice of your own.

Question 9

How much does Gemini 3.8 Flash-Lite TTS cost?

Accepted Answer

Pricing is billed per character of your text, so a one-line test costs a fraction of a full script. Spaces and tags count as characters. It costs about a third less than Flash TTS. Visual Sandbox shows the exact price before you generate. There is no subscription and no monthly character quota.

Question 10

Can I use the audio commercially?

Accepted Answer

Yes. Google does not claim ownership of the speech you generate, so you can use it in videos, ads, podcasts, apps, and client work. You are responsible for the script and the final use. Some platforms ask you to label AI-generated voices, so check the rules where you publish.

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