NetEase Youdao has open-sourced Confucius4-R2T2, a lightweight 1.7B-parameter real-time streaming ASR model.
Configurable streaming chunks from 80ms to 2s
Streaming accuracy close to offline ASR
Lightweight enough for local deployment
Stable, append-only transcription — once text is committed, it stays unchanged
Built for real-time applications including live captioning, speech translation, and Voice Agents.
Now open source:
GitHub: github.com/netease-youdao…
Hugging Face: huggingface.co/netease-youdao…
Configurable streaming chunks from 80ms to 2s
Streaming accuracy close to offline ASR
Lightweight enough for local deployment
Stable, append-only transcription — once text is committed, it stays unchanged
Built for real-time applications including live captioning, speech translation, and Voice Agents.
Now open source:
GitHub: github.com/netease-youdao…
Hugging Face: huggingface.co/netease-youdao…