Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Nemotron 3 Ultra 500B is clearly ahead on the aggregate, 64 to 38. 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 77.2 against 46.6. The single biggest benchmark swing on the page is MRCRv2, 85 to 45.
Nemotron 3 Ultra 500B is the reasoning model in the pair, while LFM2-24B-A2B 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 32K for LFM2-24B-A2B.
Pick Nemotron 3 Ultra 500B if you want the stronger benchmark profile. LFM2-24B-A2B only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.
Nemotron 3 Ultra 500B
62.8
LFM2-24B-A2B
33.4
Nemotron 3 Ultra 500B
43.8
LFM2-24B-A2B
18
Nemotron 3 Ultra 500B
66.9
LFM2-24B-A2B
41.7
Nemotron 3 Ultra 500B
77.2
LFM2-24B-A2B
46.6
Nemotron 3 Ultra 500B
57
LFM2-24B-A2B
35.6
Nemotron 3 Ultra 500B
84
LFM2-24B-A2B
68
Nemotron 3 Ultra 500B
79.7
LFM2-24B-A2B
61.4
Nemotron 3 Ultra 500B
78
LFM2-24B-A2B
50.4
Nemotron 3 Ultra 500B is ahead overall, 64 to 38. The biggest single separator in this matchup is MRCRv2, where the scores are 85 and 45.
Nemotron 3 Ultra 500B has the edge for knowledge tasks in this comparison, averaging 57 versus 35.6. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for coding in this comparison, averaging 43.8 versus 18. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for math in this comparison, averaging 78 versus 50.4. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for reasoning in this comparison, averaging 77.2 versus 46.6. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for agentic tasks in this comparison, averaging 62.8 versus 33.4. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for multimodal and grounded tasks in this comparison, averaging 66.9 versus 41.7. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for instruction following in this comparison, averaging 84 versus 68. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Nemotron 3 Ultra 500B has the edge for multilingual tasks in this comparison, averaging 79.7 versus 61.4. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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