Gemini 3.8 Flash TTS

Google

Built for deep creative direction and character design. Create entirely new voices from scratch using natural language prompts to bring characters to life across gaming, immersive audiobooks, podcasts, and interactive media. Direct every performance line by line with granular control over acting cues, pacing, dialect shifts, and backchanneling.

Specs

Model

Family
Gemini
Variant
3.8 Flash TTS
Weights
Proprietary

Modalities

Input
Text
Output
Audio

Dates

Announced
23 Sept 2026
Released
23 Sept 2026

Gemini 3.8 text-to-speech says hello

Gemini 3.8 Flash-Lite TTS and Gemini 3.8 Flash TTS are our most expressive audio models yet.

Leland Rechis
blog.google

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Gemini 3.8 Flash-Lite TTS

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Built for high-volume, cost-efficient scale. Optimized for high-volume dubbing, audio content creation, and expressive voice agents with fine-grained control over tone, pacing, and expressive nuance.

—6d ago

Gemini 3.8 Live Extended Thinking

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Built for high-complexity tasks, with increased intelligence and multi-step reasoning.

—14d ago

Gemini 3.8 Live

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Built for scale and cost efficiency, combining conversational intelligence with fluid dialogue and visual grounding.

—14d ago

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