Gemini 3.8 TTS Playground
Google released Gemini 3.8 Flash TTS models; Simon Willison published a bring-your-own-key playground.
Google released gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts, text-to-speech models with a library of more than 2,000 voices. Users can create a custom voice from a 30-second sample they have rights to use. The Gemini API also supports scripted conversations among multiple characters, each with its own voice and style instructions. Simon Willison published a bring-your-own-key playground, built with GPT-6 Astra, that uses the API's open CORS policy.
- Google released gemini-3.8-flash-tts and gemini-3.8-flash-lite-tts.
- The library includes more than 2,000 voices.
- Custom voices can be made from a 30-second authorized sample.
- The API supports multi-character conversations with per-voice style instructions.
- Vendors
- Products
- Gemini API
- Organizations
From the original article
Tool: Gemini 3. 8 TTS Playground Google released two new Gemini text-to-speech models today - gemini-3. 8-flash-tts and gemini-3.
simonwillison.net
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