Gemini 3.8 Flash-Lite TTS

Audio modelCard summarized

Built for high-volume, cost-efficient scale

Source: Gemini 3.8 Audio - Model Card

Use it via API

$0.0003 / sec

Code example Compare

Where to call it

Gemini APIgemini-3.8-flash-lite-tts
Google Vertex AIgemini-3.8-flash-lite-tts

Supports

Streaming
Batch API

Full feature support

Good for

High-volume production and dubbing
Voice agent cascades (text model + TTS)
Read-aloud features

Overview

Google · 02Flash-Lite

Flash-Lite TTS

Built for high-volume, cost-efficient scale

Typical price

$0.0003 / sec

Audio output, standard

Max length: —
Languages: 100+ languages
Modes: text-to-speech, multi-speaker (2 voices)
Released: 22 Sep 2026

One card covers Gemini 3.8 Live, Live Extended Thinking, Flash TTS and Flash-Lite TTS ("Gemini 3.8 Audio"), an addition to the Gemini 3 series based on Gemini 3 Pro. Flash-Lite TTS is the high-throughput, lower-cost text-to-speech tier. Architecture, training data and hardware are those of Gemini 3 Pro; the card reports no benchmark scores. Model information

gemini-3.8-flash-lite-tts

Typical price: $0.0003 / sec
Languages: 100+ languages (101 listed, auto-detected)
Weights: Closed
Released: 22 Sep 2026

text-to-speech
multi-speaker (2 voices)
streaming
voice design
voice replication
inline style tags