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by Google

Gemini 3.8 Flash Lite TTS

Gemini 3.8 Flash Lite TTS from Google is the lighter tier of Gemini 3.8 Flash TTS, built for high-volume speech generation. It keeps the same controls: plain-language style instructions for delivery, inline vocal events such as `<laugh>` or `<sigh>`, 30 prebuilt voices, and two-speaker dialogue. Use it for placeholder dialogue, bulk barks, and UI voice lines where throughput matters. Output is WAV audio.

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Popularity
—
Price
0.03CU
per character
Released
2026
September
Capabilities
SpeechAuto duration
High-volume dialogue and NPC barksPlaceholder voice lines during production

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Why use Gemini 3.8 Flash Lite TTS for audio?

Natural voice generation

Gemini 3.8 Flash Lite TTS produces expressive, high-quality audio suitable for character dialogue, narration, and voiceover work.

Flexible content types

Supports a range of use cases from in-game dialogue and cinematics to marketing narration and social media content.

Fast iteration

Generate and refine audio content quickly, enabling rapid prototyping of character voices and sound design.

Character voiceover and dialogue production

Generate expressive character voices for in-game dialogue, cutscenes, and interactive narratives. Iterate on tone and delivery rapidly.

Marketing narration and promotional audio

Create professional voiceovers for trailers, app store videos, and social media content without booking voice talent.

Sound design exploration and prototyping

Quickly prototype sound effects, ambient audio, and musical elements to test creative directions early in production.

FAQ

How much does Gemini 3.8 Flash Lite TTS cost? Is it free?+
Generating assets on Layer requires using Creative Units. This model's current price is 0.03 / character count.
How does Layer's pricing work?+

There are no seat fees, feature gates, or plans on Layer. Instead, our platform uses a consumption based system with Creative Units (CUs) with a flexible monthly subscription. Every generation on Layer (image, video, 3D, or audio) consumes a Creative Unit, and you only pay for what you create.

What Elo score does Gemini 3.8 Flash Lite TTS have?+
Gemini 3.8 Flash Lite TTS has an Artificial Analysis Arena Elo of 1240, which places it #3 of the 7 scored audio models on Layer. Gemini 3.8 Flash TTS leads that ranking with an Elo of 1268.

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