NVIDIA Parakeet / Canary / Nemotron Speech ASR (open)
One file for NVIDIA's open ASR family. Also canary-1b-v2 (European ASR + translation) and parakeet-tdt-0.6b-v2 (English, NIM). Nemotron 3.5 ASR HF card shows a garbled date; June 2026 per NVIDIA/press. NVIDIA's open TTS: magpie_tts_multilingual_357m. Full-duplex model: see nemotron-voicechat.
- Input
- audio
- Output
- text
- License
- cc-by-4.0 (Parakeet TDT v3, Canary-Qwen); NVIDIA Open Model License / OpenMDW (2026 models)
- Verified
- 2026-09-29
How to call it
| Provider | Model id | Endpoint / URL | Docs |
|---|---|---|---|
| Hugging Face | nvidia/parakeet-tdt-0.6b-v3 | huggingface.co/nvidia/parakeet-tdt-0.6b-v3 | — |
| Hugging Face | nvidia/canary-qwen-2.5b | huggingface.co/nvidia/canary-qwen-2.5b | — |
| Hugging Face | nvidia/parakeet-unified-en-0.6b | huggingface.co/nvidia/parakeet-unified-en-0.6b | — |
| Hugging Face | nvidia/nemotron-speech-streaming-en-0.6b | huggingface.co/nvidia/nemotron-speech-streaming-en-0.6b | — |
| Hugging Face | nvidia/nemotron-3.5-asr-streaming-0.6b | huggingface.co/nvidia/nemotron-3.5-asr-streaming-0.6b | — |
| NVIDIA NIM / build.nvidia.com | — | build.nvidia.com | — |
Notable capabilities (3)
- Parakeet TDT 0.6B v3: 25 European languages, very high throughput: 600M FastConformer-TDT with auto language ID, punctuation, word timestamps, up to 24 min (3 h with local attention); 6.34% avg WER on Open ASR Leaderboard; trained on the Granary dataset. source
- Canary-Qwen-2.5B speech-augmented LLM: FastConformer encoder + Qwen LLM (SALM); 5.63% mean WER topped the HF Open ASR Leaderboard at release (2025-07-17); can summarize/answer questions about the transcript. English, max 40 s clips. source
- Cache-aware streaming ASR, 80-1120 ms chunks (found after launch): Nemotron Speech Streaming EN 0.6B (Jan/Mar 2026) and Nemotron 3.5 ASR Streaming 0.6B (June 2026, 40 language-locales) switch latency at inference without retraining; Parakeet-unified-en-0.6B (2026-04-07) does both offline (5.91% WER) and streaming down to 160 ms. source
Sources: https://huggingface.co/collections/nvidia/nemotron-speech , https://huggingface.co/nvidia/parakeet-tdt-0.6b-v3 , https://huggingface.co/nvidia/canary-qwen-2.5b
Other NVIDIA models
NVIDIA Nemotron 3.5 Lightning (30B-A3B) · NVIDIA NemotronLabs VoiceChat 11B (and PersonaPlex-7B) · NVIDIA Nemotron 3 Ultra (550B-A55B) · Cosmos 3 (Nano / Super) · NVIDIA Nemotron 3 Nano Omni (30B-A3B Reasoning) · Isaac GR00T N1.7 · NVIDIA Nemotron 3 Super (120B-A12B) · Cosmos Reason 2 · NVIDIA MagpieTTS Multilingual 357M · Isaac GR00T N2 · Cosmos Predict 2.5 / Transfer 2.5 · Isaac GR00T N1 / N1.5 / N1.6