Model•active
Nemotron 3.5 Lightning
Nemotron 3.5 Lightning is NVIDIA's open 30B-parameter hybrid MoE model with 3B active parameters and up to a one-million-token context window for long-running agentic, reasoning, and coding workloads.
Official siteVerified Oct 5, 2026
Overview
The BF16 checkpoint is the reference-weight release for customization and post-training. NVIDIA also publishes optimized NVFP4 deployment weights, but iilib treats precision and quantization variants as packaging rather than separate Model entities.
Model specifications
- Family
- Nemotron 3.5
- Context
- 1,000,000 tokens
- Input
- Text
- Output
- Text
- Open weights
- Yes
- Capabilities
- Reasoning, Tool Use