Gemini 3.8 TTS Models Launch

Google releases expressive text-to-speech models for custom voices and real-time audio creation.

Sep 23, 2026

10 cards · 1m 30s · tap to begin

From · · 1m 30s

Gemini 3.8 TTS Models Launch

Google releases expressive text-to-speech models for custom voices and real-time audio creation.

In brief

Google releases expressive text-to-speech models for custom voices and real-time audio creation. Google launched Gemini 3.8 Flash TTS and Flash-Lite TTS models for creating custom voices and expressive audio experiences with built-in safety tools. Originally reported by Google.

New Gemini TTS Models

Google launched Gemini 3.8 Flash TTS and Flash-Lite TTS models for expressive audio generation across multiple platforms.

Custom Voice Creation

Create entirely new voices from scratch using natural language prompts across over 100 languages and dialects.

Voice Replication

Voice Replication

Recreate consistent vocal profiles from a 30-second audio sample with built-in consent verification and SynthID watermarking.

Direct Performance Control

Direct line-by-line delivery with granular control over pacing, emotion, and realistic conversational sounds like <laughs> and |mhm|.

High-Volume Scale

Gemini 3.8 Flash-Lite TTS optimizes for high-volume dubbing and audio content creation with cost-efficient scale.

Global Language Support

Supports over 100 languages including Mexican Spanish, Quebec French, and Scots English for multilingual audio experiences.

Safety Features

Built-in SynthID watermarking and C2PA credentials ensure AI-generated speech is detectable and protected.

Real-World Applications

Use for audiobooks, podcasts, real-time voice agents, and interactive media with improved user experiences in Gemini Notebook and Google Vids.

Performance Metrics

Secures #1 on Hume AI’s Voice Design Benchmark and #1 for overall quality among competitors in key global languages.

Deployment Options

Available in Gemini API, Google AI Studio, Gemini Enterprise, Gemini Notebook, and Google Vids starting today.

The key point

Google launched Gemini 3.8 Flash TTS and Flash-Lite TTS models for creating custom voices and expressive audio experiences with built-in safety tools.

Read the original on Google

React

Sign in to react and comment.

Comments (0)

Life is short. Keep it sweet. Respect others' opinions and be kind!

    Recommended next

    More decks on gemini 3.8 and related topics.