Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Nemotron Ultra 253B is clearly ahead on the aggregate, 48 to 33. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Nemotron Ultra 253B's sharpest advantage is in coding, where it averages 33.7 against 8.2. The single biggest benchmark swing on the page is SWE-bench Pro, 38 to 7.
Pick Nemotron Ultra 253B 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 Ultra 253B
46.7
LFM2.5-1.2B-Thinking
34.1
Nemotron Ultra 253B
33.7
LFM2.5-1.2B-Thinking
8.2
Nemotron Ultra 253B
44.7
LFM2.5-1.2B-Thinking
32.4
Nemotron Ultra 253B
53.3
LFM2.5-1.2B-Thinking
38.4
Nemotron Ultra 253B
42.4
LFM2.5-1.2B-Thinking
27
Nemotron Ultra 253B
78
LFM2.5-1.2B-Thinking
72
Nemotron Ultra 253B
70.1
LFM2.5-1.2B-Thinking
60.7
Nemotron Ultra 253B
59.7
LFM2.5-1.2B-Thinking
42.3
Nemotron Ultra 253B is ahead overall, 48 to 33. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 38 and 7.
Nemotron Ultra 253B has the edge for knowledge tasks in this comparison, averaging 42.4 versus 27. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for coding in this comparison, averaging 33.7 versus 8.2. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for math in this comparison, averaging 59.7 versus 42.3. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for reasoning in this comparison, averaging 53.3 versus 38.4. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for agentic tasks in this comparison, averaging 46.7 versus 34.1. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for multimodal and grounded tasks in this comparison, averaging 44.7 versus 32.4. Inside this category, OfficeQA Pro is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for instruction following in this comparison, averaging 78 versus 72. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Nemotron Ultra 253B has the edge for multilingual tasks in this comparison, averaging 70.1 versus 60.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.
Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.
Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.