Google Releases Gemini 3.8 Flash TTS and Flash-Lite TTS With Prompt-Based Voice Design
Google has released Gemini 3.8 Flash TTS and Gemini 3.8 Flash-Lite TTS, 2 new text-to-speech models in its Gemini Audio family. Google calls them its most expressive audio generation models yet. Flash TTS targets creative direction and character voices. Flash-Lite TTS targets high-volume, cost-efficient production. Both let developers direct delivery line by line using natural language. Is it deployable? Yes, both models are rolling out now through the Gemini API and Google AI Studio. Access
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Google has released two new text-to-speech models that convert written text into spoken audio with expressive delivery. The models differ in their purposes: one targets creative applications like gaming and audiobooks with detailed performance controls, while the other prioritizes cost-efficient high-volume production. These models introduce a shift from a fixed set of 30 original voices to a system that can generate new voices from text descriptions across over 100 languages and dialects, or select from more than 2,000 production-ready voices. The models include safety features such as watermarks embedded in audio output and require consent recordings when replicating a specific person's voice.
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