Google adds voice remixing to Gemini 3.8 TTS
Developers can use natural-language instructions to create an independent stored voice from a prebuilt or designed voice, then synthesize speech with Gemini 3.8 Flash TTS or Gemini 3.8 Flash-Lite TTS.
Source: Gemini API changelog, checked Nov 4, 2026. Summarized from the provider’s announcement.