Gemini 3.1: Native TTS for Easier, More Powerful Summary Reading

Background In the previous practical session, we used Gemini 3.1 Flash Live to achieve speech recognition, and through the "side-attack" method of the Gemini 2.5 Live API, we barely achieved the text-to-speech (TTS) function. But in April 2026, Google officially released Gemini 3.1 Flash TTS . This is a native model specifically designed for audio output, no longer requiring a Live WebSocket, and can directly output high-quality audio through the standard generate_content process. As a developer