Model ID
nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16
Capabilities
Nemotron 3.5 Lightning 30B A3B
NVIDIA Nemotron 3.5 Lightning 30B A3B is a 30B-parameter hybrid Mixture-of-Experts model with 3B active parameters, combining Mamba-2, MoE, and Transformer attention layers. It features 52 layers, 128 routed experts with 6 activated per token, 32 attention heads, and a 2-head KV configuration, supporting up to 1M-token context, with multi-token prediction and reinforcement learning for reasoning, coding, tool use, and agentic workflows.
About this model
NVIDIA Nemotron 3.5 Lightning 30B A3B is a 30B-parameter hybrid Mixture-of-Experts model with 3B active parameters, combining Mamba-2, MoE, and Transformer attention layers. It features 52 layers, 128 routed experts with 6 activated per token, 32 attention heads, and a 2-head KV configuration, supporting up to 1M-token context, with multi-token prediction and reinforcement learning for reasoning, coding, tool use, and agentic workflows.
Model specifications and capabilities are published by the model author and reproduced here from HF Model Card (nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16). Released under OpenMDW-1.1. Further reading: Blog
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Hardware
B200
1,440 GB
Engine
vLLM
SGLang
Deployment code
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Performance under load
Tokens/s (total)
Benchmarks measured by Vultr on B200 · vLLM. Throughput and latency vary with concurrency, input length and engine configuration, so treat these as a comparison baseline, not a service guarantee.
NVIDIA HGX B200
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