Google for Developers: Design and replicate voices with Gemini 3.8 Flash TTS

See how Gemini 3.8 Flash TTS lets you design custom voices from a text prompt and replicate your own voice in Google AI Studio. Google DeepMind’s Thor Schaeff walks through:



*Voice design

*Voice replication

*Multi-speaker dialogue generation

*Building with the Gemini API across 100+ languages

*Partner integrations with Agora, LiveKit, Pipecat, and Vercel

Try it now at ai.studio/generate-speech. Have questions? Drop them in the comments.



Chapters:

0:00 — Introduction to Gemini TTS

0:27 — Voice replication in Google AI Studio

1:00 — Voice design from a text prompt

2:19 — Using custom voices across multiple languages

4:10 — Using custom voices in the Gemini API

5:44 — Listing and managing voices via the Gemini API

8:58 — Multi-speaker dialogue generation

11:55 — Live podcast demo

12:53 — Gemini 3.8 Flash TTS vs. Flash-Lite TTS

13:34 — Partner integrations with Agora, LiveKit, Pipecat, and Vercel





🔗Resources:

Blog → https://goo.gle/4dQZL6c

Migration Guide → https://goo.gle/4jzgSNG

Prompting Guide → https://goo.gle/4ywvpgQ







Subscribe to Google for Developers → https://goo.gle/developers









Speakers: Thor Schaeff

Products Mentioned: Gemini, Google AI Studio