Nemotron 3.5 ASR Streaming 0.6B vs Voxtral Mini 4B Realtime 2602

Two native streaming models with very different footprints. Nemotron 3.5 ASR Streaming 0.6B ranks higher in all seven of the matcher's common setups, but the right choice still depends on the differences below.

Key differences

• Nemotron 3.5 ASR Streaming 0.6B lists 28 languages in our record, Voxtral Mini 4B Realtime 2602 13; 13 are shared.
• Licensing differs: OpenMDW-1.1 (open model license) versus Apache-2.0 (permissive); see the license guide.
• Nemotron 3.5 ASR Streaming 0.6B is the lighter option (memory rating 3/5 versus 1/5).
• Nemotron 3.5 ASR Streaming 0.6B is rated better for CPU-only use (2/5 versus 1/5).
• Nemotron 3.5 ASR Streaming 0.6B is rated better for Apple Silicon (3/5 versus 2/5).
• The main documented runtime is NVIDIA NeMo for Nemotron 3.5 ASR Streaming 0.6B and vLLM (realtime API) for Voxtral Mini 4B Realtime 2602.

Side by side

Which ranks higher in common setups

Scores from the same deterministic matcher as the homepage, applied to all 26 reviewed models (rank out of 26). They are decision guidance, not accuracy claims.

Language coverage

Both list 13 languages: Arabic, Dutch, English, French, German, Hindi, Italian, Japanese, Korean, Mandarin Chinese, Portuguese, Russian and 1 more. Only Nemotron 3.5 ASR Streaming 0.6B lists Bulgarian, Croatian, Czech, Danish, Estonian, Finnish, Hungarian, Norwegian Bokmål, Polish, Romanian, Slovak, Swedish and 3 more. Voxtral Mini 4B Realtime 2602 lists no language that Nemotron 3.5 ASR Streaming 0.6B lacks.

How to run each

Nemotron 3.5 ASR Streaming 0.6B

NVIDIA NeMo, Hugging Face Transformers ≥ 5.13, NeMo-Speech.cpp.pip install "transformers>=5.13.0"

Listed hardware: NVIDIA Ampere, Blackwell, Hopper, Jetson, Lovelace, Turing and Volta on Linux. No CPU-only or Apple Silicon guidance is published.

Voxtral Mini 4B Realtime 2602

vLLM (realtime API), Hugging Face Transformers, ExecuTorch.uv pip install -U vllm

Runs on a single GPU with at least 16 GB of memory (BF16 weights).

Runtimes and figures from the official sources checked on November 2, 2026; details on each Nemotron 3.5 ASR Streaming 0.6B and Voxtral Mini 4B Realtime 2602 profile.

Common questions

Is Nemotron 3.5 ASR Streaming 0.6B better than Voxtral Mini 4B Realtime 2602?

It depends on the job. Nemotron 3.5 ASR Streaming 0.6B ranks higher in all seven of the matcher's common setups, but the right choice still depends on the differences below. Benchmark both on your own audio before deciding.

Which is lighter to run, Nemotron 3.5 ASR Streaming 0.6B or Voxtral Mini 4B Realtime 2602?

Nemotron 3.5 ASR Streaming 0.6B has the lighter memory rating (3/5 versus 1/5). Nemotron 3.5 ASR Streaming 0.6B: Listed hardware: NVIDIA Ampere, Blackwell, Hopper, Jetson, Lovelace, Turing and Volta on Linux. No CPU-only or Apple Silicon guidance is published. Voxtral Mini 4B Realtime 2602: Runs on a single GPU with at least 16 GB of memory (BF16 weights).

Which supports more languages?

Nemotron 3.5 ASR Streaming 0.6B lists 28 languages against 13. Only Nemotron 3.5 ASR Streaming 0.6B lists Bulgarian, Croatian, Czech, Danish, Estonian, Finnish, Hungarian, Norwegian Bokmål and 7 more.

Go further

• Add a third model in the interactive comparison
• Benchmark both on your own audio
• All model comparisons

Generated from the reviewed model database (latest review November 3, 2026). Differences are taken from primary sources; matcher scores are Speech Model Match's editorial decision scores.