Tencent Hunyuan has officially released AuK, an open-source foundation model for unified speech generation and editing, supporting zero-shot TTS, instruction-controlled generation, content editing, de-accent, timbre/style/emotion editing, speed/pitch control, enhancement, denoising, multi-speaker and music separation. It also released AuK-Flash, with about 4.5x faster inference. Code, weights, and demo are live.