GoKawiilGoogle releases Gemini 3.8 Flash and Flash-Lite text-to-speech models
Google has launched Gemini 3.8 Flash TTS and Gemini 3.8 Flash-Lite TTS, new speech generation models supporting over 100 languages. The models ranked first and second respectively on Hume AI's Overall Quality Index, with Gemini 3.8 Flash TTS also topping Hume AI's Voice Design Benchmark and its accent modeling category. Google says the models improve on long-form content and dual-speaker screenplay control compared to the prior Gemini 3.1 Flash TTS.
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The benchmark rankings and blind human preference results cited, including top placements in languages like Japanese, Hindi and Mexican Spanish, suggest Google is positioning these models to compete directly with other voice AI providers in global, multilingual markets. Broad language support and improved expressiveness could make the models attractive for developers building voice assistants, audiobooks, or localized media content, though real-world adoption will depend on pricing and access details not detailed here.
- Gemini 3.8 Flash TTS ranked #1 on Hume AI's Voice Design Benchmark and accent modeling category.
- Gemini 3.8 Flash and Flash-Lite TTS took the top two spots on Hume AI's Overall Quality Index.
- The models support over 100 languages and topped blind preference tests in several major global languages.
Source: blog.google — Leland Rechis, 2026-09-23
Published there as: “Gemini 3.8 text-to-speech says hello”
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