FunAudioLLM / Alibaba · 2024–26 · CosyVoice 2/3

CosyVoice 2

A 0.5B streaming zero-shot model from FunAudioLLM. CosyVoice 3 continues the line. The clip is Speaker 1 from the IndexTTS comparison page (same sentence as XTTS, IndexTTS, F5, Fish Speech).

Known for

Open streaming clone quality that is actually usable live.

Vendor / paper demo

Speaker 1 (zero-shot) · CosyVoice 2 clip from the IndexTTS comparison table, Speaker 1.

Old will is a fine fellow but poor and helpless since missus rogers had her accident.

Approach
Streaming
Year / era
2024
License class
open
Cloning
Yes
Streaming
Yes
Emotion controls
Yes
Languages (tags)
en · zh · multilingual
Official
Source
Kokoro 82M · af_heart