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 33. 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 38.4. The single biggest benchmark swing on the page is HumanEval, 66 to 17.
Nemotron 3 Ultra 500B gives you the larger context window at 10M, compared with 32K for LFM2.5-1.2B-Thinking.
Pick Nemotron 3 Ultra 500B if you want the stronger benchmark profile. LFM2.5-1.2B-Thinking only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Nemotron 3 Ultra 500B
62.8
LFM2.5-1.2B-Thinking
34.1
Nemotron 3 Ultra 500B
43.8
LFM2.5-1.2B-Thinking
8.2
Nemotron 3 Ultra 500B
66.9
LFM2.5-1.2B-Thinking
32.4
Nemotron 3 Ultra 500B
77.2
LFM2.5-1.2B-Thinking
38.4
Nemotron 3 Ultra 500B
57
LFM2.5-1.2B-Thinking
27
Nemotron 3 Ultra 500B
84
LFM2.5-1.2B-Thinking
72
Nemotron 3 Ultra 500B
79.7
LFM2.5-1.2B-Thinking
60.7
Nemotron 3 Ultra 500B
78
LFM2.5-1.2B-Thinking
42.3
Nemotron 3 Ultra 500B is ahead overall, 64 to 33. The biggest single separator in this matchup is HumanEval, where the scores are 66 and 17.
Nemotron 3 Ultra 500B has the edge for knowledge tasks in this comparison, averaging 57 versus 27. 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 8.2. Inside this category, HumanEval 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 42.3. 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 38.4. 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 34.1. Inside this category, BrowseComp 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 32.4. 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 72. 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 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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