2026Tencent Hunyuan, Shanghai Jiao Tong University, and Shanghai Innovation Instituteopen source
AuK
Speech Generation
Voice Cloning
AuK is a 1.5B-parameter foundational model designed to unify speech generation and editing through a single natural-language instruction interface. It supports a wide range of tasks including zero-shot TTS, content editing, speech enhancement, and source separation, utilizing a hybrid rectified-flow Transformer architecture.
Unified natural-language interface for generation, editing, enhancement, and separation
1.5B-parameter hybrid rectified-flow Transformer architecture
AuK-Flash variant for 4-step high-speed inference
pricingFree (Open Source)
regionChina