NVIDIA Nemotron 3.5 Transcribe (30B-A4B)
Speech and audio
nvidia/NVIDIA-Nemotron-3.5-Transcribe-30B-A4B
Price not published
NVIDIA Parakeet / Canary / Nemotron Speech ASR (open)
Model idnvidia/parakeet-tdt-0.6b-v3
PricePrice not published
Checked29 September 2026
Where it stands
90newer speech and audio models since its release
- NVIDIA Nemotron 3.5 Transcribe (30B-A4B)28 Oct 2026
- Hy-SimulMT-30B-A3B22 Oct 2026
- Eleven Realtime v1 Max / Mini20 Oct 2026
- Voxtral Mini Transcribe 3 (+ Mini Transcribe Realtime 3)20 Oct 2026
- Voxtral Small Transcribe 320 Oct 2026
The 5 newest are listed. All speech and audio models
- After it from NVIDIA
- NVIDIA MagpieTTS Multilingual 357M11 Dec 2025
- Weights
- Weights are public. Licence: cc-by-4.0; NVIDIA Open Model License / OpenMDW. See the licence for commercial terms.
How to call it
6 ways to use NVIDIA Parakeet / Canary / Nemotron Speech ASR (open), with the model id each provider expects.
| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Hugging Face | nvidia/parakeet-tdt-0.6b-v3 |
huggingface.co | |
| Hugging Face | nvidia/canary-qwen-2.5b |
huggingface.co | |
| Hugging Face | nvidia/parakeet-unified-en-0.6b |
huggingface.co | |
| Hugging Face | nvidia/nemotron-speech-streaming-en-0.6b |
huggingface.co | |
| Hugging Face | nvidia/nemotron-3.5-asr-streaming-0.6b |
huggingface.co | |
| NVIDIA NIM / build.nvidia.com | build.nvidia.com |
Pricing
Price not published.
No price source linked. Checked 29 September 2026.
Specs
- Input
- Audio
- Output
- Text
- Context window
- Not published
- Max output
- Not published
- Open weights
- Yes
- Licence
- cc-by-4.0 (Parakeet TDT v3, Canary-Qwen); NVIDIA Open Model License / OpenMDW (2026 models)
- Released
- 14 August 2025
- Status
- Current
- Type
- Speech and audio
What stands out
What its maker marketed at launch, and what people found later, each with its source.
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.
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.
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.
Notes
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.
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