nvidia
NVIDIA: Nemotron 3 Ultra (free)
The NVIDIA: Nemotron 3 Ultra is a free AI model that supports text input and completion. It has a context length of 1 million tokens and can handle up to 65,536 completion tokens per input. The model also supports tools and reasoning capabilities. If you're looking for an affordable option with moderate benchmark performance, the NVIDIA: Nemotron 3 Ultra may be worth considering. Its blended benchmark score is 62.7 across three independent tests, placing it in a competitive middle ground. While its pricing summary lists no costs, this free model may not offer the same level of performance as more expensive options.
Quality Score
88/100
price + capability + benchmarks
Input Price
Free
per 1M tokens · checked 2026-09-04
Output Price
Free
per 1M tokens · checked 2026-09-04
Context Window
1,000,000
tokens
Benchmark results
Independent, published benchmarks. Blended score 62.7 across 3 benchmarks, last refreshed 2026-09-04. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 63.2 |
| AI Index Coding | software engineering tasks | 81.3 |
| AI Index Agentic | multi-step tool-using tasks | 45.4 |
- Model ID
- nvidia/nemotron-3-ultra-550b-a55b:free
- Vendor
- nvidia
- Released
- June 2026
- Tokenizer
- Other
- Input Modalities
- text
- Output Modalities
- text
- Max Output
- 65,536 tokens
- Tool Calling
- ✓ supported
- Structured Output
- not supported
- Reasoning Mode
- ✓ supported
- Vision
- text only
- Audio
- no
- Moderated
- no
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NVIDIA: Nemotron 3 Super (free)
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NVIDIA: Nemotron 3 Ultra
$0.62 in / $3.12 out
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Quick answers
- Is NVIDIA: Nemotron 3 Ultra (free) free to use?
- Yes. It is currently listed at no cost per token via OpenRouter, subject to provider rate limits.
- What is NVIDIA: Nemotron 3 Ultra (free)'s context window?
- 1,000,000 tokens, roughly 1,500 pages of text in a single request.
- Does NVIDIA: Nemotron 3 Ultra (free) support tool calling?
- It supports tool calling, a reasoning mode.
- Can NVIDIA: Nemotron 3 Ultra (free) process images?
- No, it is text-only on the input side.