Grok 3 Mini vs Nemotron 3 Ultra 500B

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Nemotron 3 Ultra 500B is clearly ahead on the aggregate, 37 to 23. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Nemotron 3 Ultra 500B's sharpest advantage is in reasoning, where it averages 69.9 against 21.7. The single biggest benchmark swing on the page is SimpleQA, 21.7% to 71%. Grok 3 Mini does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

Nemotron 3 Ultra 500B is the reasoning model in the pair, while Grok 3 Mini is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Nemotron 3 Ultra 500B gives you the larger context window at 10M, compared with 128K for Grok 3 Mini.

Quick Verdict

Pick Nemotron 3 Ultra 500B if you want the stronger benchmark profile. Grok 3 Mini only becomes the better choice if knowledge is the priority or you would rather avoid the extra latency and token burn of a reasoning model.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

Nemotron 3 Ultra 500B

Grok 3 Mini

41.5

Nemotron 3 Ultra 500B

66

41.5%
LiveCodeBench
Coming soon
Coming soon
HumanEval
66%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Nemotron 3 Ultra 500B

Grok 3 Mini

21.7

Nemotron 3 Ultra 500B

69.9

21.7%
SimpleQA
71%
Coming soon
MuSR
69%

Knowledge

Grok 3 Mini

Grok 3 Mini

74.1

Nemotron 3 Ultra 500B

72

66.2%
GPQA
73%
78.9%
MMLU-Pro
Coming soon
Coming soon
MMLU
74%
Coming soon
SuperGPQA
71%
Coming soon
OpenBookQA
69%

Instruction Following

Coming soon

Benchmark data for this category is coming soon.

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

Nemotron 3 Ultra 500B

Grok 3 Mini

39.7

Nemotron 3 Ultra 500B

73

39.7%
AIME 2024
76%
Coming soon
AIME 2023
74%
Coming soon
AIME 2025
75%
Coming soon
HMMT Feb 2023
70%
Coming soon
HMMT Feb 2024
72%
Coming soon
HMMT Feb 2025
71%
Coming soon
BRUMO 2025
73%

Frequently Asked Questions

Which is better, Grok 3 Mini or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B is ahead overall, 37 to 23. The biggest single separator in this matchup is SimpleQA, where the scores are 21.7% and 71%.

Which is better for knowledge tasks, Grok 3 Mini or Nemotron 3 Ultra 500B?

Grok 3 Mini has the edge for knowledge tasks in this comparison, averaging 74.1 versus 72. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, Grok 3 Mini or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B has the edge for coding in this comparison, averaging 66 versus 41.5. Grok 3 Mini stays close enough that the answer can still flip depending on your workload.

Which is better for math, Grok 3 Mini or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B has the edge for math in this comparison, averaging 73 versus 39.7. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Grok 3 Mini or Nemotron 3 Ultra 500B?

Nemotron 3 Ultra 500B has the edge for reasoning in this comparison, averaging 69.9 versus 21.7. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

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