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Nemotron 3 Nano Omni 30B-A3B

NVIDIA · Nemotron 3 · released 2026-04-28 · data checked 2026-11-01 Needs verification

Nemotron 3 Nano Omni 30B-A3B is a 31.6B-parameter Mixture-of-Experts model (3.5B active per token) from NVIDIA (United States), released 2026-04-28 under the NVIDIA Open Model license. It doesn't have enough reported benchmarks for an index score yet. It needs about 22.4 GB of memory at 4-bit with an 8K-token context.

Small LM Index
—
Needs 2 core benchmarks (has 0)
Parameters
31.6B
3.5B active · MoE
Price per 1M tokens
—
No hosted API on OpenRouter; self-host
Context window
256K
tokens

Benchmarks

Each bar shows this model's score. The tick marks the best medium model on that benchmark.

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Specifications

Lab
NVIDIA (US · United States)
Architecture
Mixture-of-Experts
Total parameters
31.6B
Active parameters
3.5B
Size class
Medium
Context window
256K tokens
Input modalities
text, image, audio, video
Reasoning
Reasoning (thinking)
License
NVIDIA Open Model
Openness
Open weights
Memory to run
~22.4 GB at 4-bit, 8K context (more sizes)

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Sources

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Run it locally

No quantized build from a well-known publisher yet; check the model card for instructions.

Memory needed: weights, context cache and runtime buffers (context cache estimated: attention layout not published).

Quantization4K context32K context256K context
16-bit F1665 GB73 GB131 GB
8-bit Q8_036 GB43 GB101 GB
4-bit Q4_K_M21 GB29 GB87 GB

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