GoogleGemini TTS
Gemini 3.8 Flash-Lite TTS
Gemini 3.8 Flash-Lite TTS targets high-throughput reading and everyday single-speaker speech.
What the release provides
Its documentation lists 101 languages. It shares the Flash TTS request schema and supports prebuilt and custom voices. Put delivery directions in speech_metadata because the input transcript is spoken literally.Gemini 3.8 Flash-Lite TTS official API documentation
How to use it well
Practical guidance. Review representative reading passages with the chosen voice. Pay attention to sentence breaks and pronunciation after script edits. Compare perceived clarity and consistency across a complete page, rather than selecting a model from a single short sample.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Access | API |
| Model identifiers | gemini-3.8-flash-lite-tts |