Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
LongCat-2.0
80
Nemotron 3 Ultra
67
Verified leaderboard positions: LongCat-2.0 unranked · Nemotron 3 Ultra #24
Pick LongCat-2.0 if you want the stronger benchmark profile. Nemotron 3 Ultra only becomes the better choice if coding is the priority or you want the cheaper token bill.
Agentic
+19.1 difference
Coding
+14.7 difference
LongCat-2.0
Nemotron 3 Ultra
$0.75 / $2.95
$0 / $0
N/A
N/A
N/A
N/A
1M
1M
Pick LongCat-2.0 if you want the stronger benchmark profile. Nemotron 3 Ultra only becomes the better choice if coding is the priority or you want the cheaper token bill.
LongCat-2.0 is clearly ahead on the provisional aggregate, 80 to 67. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
LongCat-2.0's sharpest advantage is in agentic, where it averages 70.8 against 51.7. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 70.8% to 56.4%. Nemotron 3 Ultra does hit back in coding, so the answer changes if that is the part of the workload you care about most.
LongCat-2.0 is also the more expensive model on tokens at $0.75 input / $2.95 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Ultra. That is roughly Infinityx on output cost alone.
LongCat-2.0 is ahead on BenchLM's provisional leaderboard, 80 to 67. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 70.8% and 56.4%.
Nemotron 3 Ultra has the edge for coding in this comparison, averaging 74.2 versus 59.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
LongCat-2.0 has the edge for agentic tasks in this comparison, averaging 70.8 versus 51.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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