Nvidia's Nemotron 3.5 Lightning is an open-weights model with just 3.6 billion active parameters that matches OpenAI's gpt-oss-120b on the Intelligence Index despite being four times smaller. At nearly 670 tokens per second, it's also the fastest model in the comparison, showing Nvidia is betting on efficiency over raw size.

Nemotron 3.5 Lightning is designed to work alongside other models in AI agents, targeting specific jobs like code review, answering billing questions, and security alert…

Nvidia releases Nemotron 3.5 Lightning and NeMo Switchyard to give enterprise AI capability options - SiliconANGLE