Nemotron 3 Ultra (free)
Nemotron 3 Ultra (free) sits in the frontier tier, built for high-capability reasoning, tool use, and long-form output where capability outweighs cost. Available via Nvidia. 1,000,000-token context. Free tier on OpenRouter. Routed through OpenRouter's free tier, where capacity is best-effort.
Nemotron 3 Ultra (free) is a frontier AI model from Nvidia. It costs $0.000 per million input tokens and $0.000 per million output tokens (blended $0.000/M), with a 1,000,000-token context window.
- Strong general reasoning
- Tool use & function calling
- Long-form writing
- Production-grade reliability
- Production assistants
- Long-document analysis
- Multi-step agent workflows
- Engineering copilots
Benchmarks
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See all 6 →Frequently asked questions
How much does Nemotron 3 Ultra (free) cost?
Nemotron 3 Ultra (free) costs $0.000 per million input tokens and $0.000 per million output tokens, for a blended reference rate of $0.000 per million tokens.
What is Nemotron 3 Ultra (free)'s context window?
Nemotron 3 Ultra (free) supports up to 1,000,000 tokens of context in a single request.
What is Nemotron 3 Ultra (free) best for?
Nemotron 3 Ultra (free) is well suited to Strong general reasoning, Tool use & function calling and Long-form writing.
Who makes Nemotron 3 Ultra (free)?
Nemotron 3 Ultra (free) is developed and served by Nvidia.