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AI Text-to-Speech.

Google Debuts Gemini 3.8 Flash TTS Top-Ranked Text-to-Speech Models with 2,000+ Production Voices.

Google Debuts Gemini 3.8 Flash TTS Top-Ranked Text-to-Speech Models with 2,000+ Production Voices.
Google Unveils Gemini 3.8 Flash TTS and Flash-Lite TTS: Next-Generation Text-to-Speech Models with 2,000+ Voices and Voice Cloning Capabilities

Google LLC has expanded its specialized artificial intelligence portfolio with the release of two high-fidelity text-to-speech (TTS) models: Gemini 3.8 Flash TTS and Gemini 3.8 Flash-Lite TTS. Following the recent debut of the Gemini 3.5 Transcribe speech-to-text model, these new specialized audio offerings target professional media production, localized content creation, and real-time conversational agents while developers await the next flagship baseline model, Gemini 4.

High-Fidelity Audio Generation, Voice Cloning, and Platform Integration

The Gemini 3.8 Flash TTS family delivers granular prosody control and extensive language support designed for enterprise audio workflows:

  • Production-Grade Audio & Natural Controls: Engineered for video game character dubbing, audiobook narration, and automated podcast generation, the models provide fine-grained control over speech cadence, emotional tone, pitch, and regional accents to ensure human-like natural delivery.

  • Extensive Language Library & Voice Cloning: The architecture supports over 100 languages and includes a pre-rendered production library featuring over 2,000 distinct voices across global accents. Additionally, the system features zero-shot voice cloning capabilities, enabling the creation of custom voice profiles from a 30-second reference audio sample.

  • Benchmark Performance Leaders:

    • Gemini 3.8 Flash TTS: Optimized for maximum audio fidelity, securing the #1 overall ranking on the Hume AI Voice Design Benchmark.

    • Gemini 3.8 Flash-Lite TTS: Engineered for low-cost, low-latency deployment. Despite its lightweight architecture, it achieved the #2 overall ranking on the same benchmark, trailing only the standard Flash TTS variant.

  • Widespread Ecosystem Deployment: Both models are immediately available across Google’s developer and enterprise toolchains, including Google AI Studio, Gemini API, Gemini Enterprise, Gemini Notebook, and Google Vids.

 

Source: Google 

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