# Nemotron 3.5 Lightning: AI model fact sheet

- **Provider:** nvidia
- **Released:** 2026-08-11
- **Context window:** 1,000,000 tokens
- **API pricing:** $0.08 / 1M input, $0.20 / 1M output
- **OpenRouter ID:** nvidia/nemotron-3.5-lightning
- **Capabilities:** conversation, reasoning, code-generation, tool-use, agentic-tool-use

NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that benefit from domain-specific customization. A free-tier endpoint is also available on OpenRouter.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/nemotron-3.5-lightning