nemotron-3.5-lightning-free · Nvidia
NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, featuring 3 billion active parameters out of 30 billion total. It supports an extensive context window of up to 1,000,000 tokens. This model is designed to deliver efficient performance for high-throughput agentic workloads and specialized tasks. Compared with Nemotron 3 Super and Ultra, Lightning is smaller and optimized for fast, high-volume execution, while the larger models focus on complex planning and advanced reasoning.
NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, featuring 3 billion active parameters out of 30 billion total. It supports an extensive context window of up to 1,000,000 tokens. This model is designed to deliver efficient performance for high-throughput agentic workloads and specialized tasks. Compared with Nemotron 3 Super and Ultra, Lightning is smaller and optimized for fast, high-volume execution, while the larger models focus on complex planning and advanced reasoning.
Nemotron 3.5 Lightning (free) has a 1,048,576 token context window.
Nemotron 3.5 Lightning (free) accepts text input.
Nemotron 3.5 Lightning (free) supports reasoning, tool calling and long context. Per-protocol parameter support is listed in the capability table on this page.
Nemotron 3.5 Lightning (free) is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to nemotron-3.5-lightning-free — no other code changes needed.
Nemotron 3.5 Lightning (free) is developed by Nvidia. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Nemotron 3.5 Lightning (free) was released on August 11, 2026 by Nvidia.
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Use Nemotron 3.5 Lightning (free) via the AIHubMix unified API — one interface for every major LLM.