Google launches Gemini 3.8 text-to-speech models for custom voices
Google released Gemini 3.8 Flash TTS and Flash-Lite TTS, letting developers direct custom character voices and scene dialogue across more than 100 languages, the company says. The models are built for uses like audiobooks, games and interactive voice agents, with added safety controls.
Why it matters. Developers can direct a custom voice in more than 100 languages from one API, which widens the options for voice agents.
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