Google introduced a new feature in Gemini's text-to-speech (TTS) that allows for switching languages seamlessly.The updated TTS model uses native audio output, sounding more natural with subtle nuances.The TTS can converse in over 24 languages, including switching to a whisper on the fly.This new text-to-speech feature is now available in the Gemini API, with a 2.5 Flash preview in the Gemini Live API.