voice-synthesis

Google released Gemini 3.1 Flash TTS, a text-to-speech model that accepts detailed prompts to control voice characteristics, speaking style, accent, and delivery. The model is available through the standard Gemini API using the model ID 'gemini-3.1-flash-tts-preview'.

YouTube is rolling out an AI avatar feature that lets users create photorealistic versions of themselves for YouTube Shorts. Users record a live selfie and voice prompts to generate an avatar that can create up to 8-second video clips. The feature includes watermarks, digital labels (SynthID and C2PA), and AI-generated content disclosures.