Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Claude Opus 4.5 is clearly ahead on the aggregate, 77 to 61. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.5's sharpest advantage is in multimodal & grounded, where it averages 90.9 against 60.4. The single biggest benchmark swing on the page is MMMU-Pro, 94 to 55.
Nemotron 3 Super 120B A12B gives you the larger context window at 256K, compared with 200K for Claude Opus 4.5.
Pick Claude Opus 4.5 if you want the stronger benchmark profile. Nemotron 3 Super 120B A12B only becomes the better choice if you need the larger 256K context window.
Claude Opus 4.5
70.5
Nemotron 3 Super 120B A12B
55.3
Claude Opus 4.5
60.4
Nemotron 3 Super 120B A12B
44.2
Claude Opus 4.5
90.9
Nemotron 3 Super 120B A12B
60.4
Claude Opus 4.5
87.7
Nemotron 3 Super 120B A12B
71.8
Claude Opus 4.5
70.9
Nemotron 3 Super 120B A12B
55.8
Claude Opus 4.5
90
Nemotron 3 Super 120B A12B
86
Claude Opus 4.5
86.1
Nemotron 3 Super 120B A12B
81.5
Claude Opus 4.5
93.2
Nemotron 3 Super 120B A12B
74.6
Claude Opus 4.5 is ahead overall, 77 to 61. The biggest single separator in this matchup is MMMU-Pro, where the scores are 94 and 55.
Claude Opus 4.5 has the edge for knowledge tasks in this comparison, averaging 70.9 versus 55.8. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for coding in this comparison, averaging 60.4 versus 44.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for math in this comparison, averaging 93.2 versus 74.6. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for reasoning in this comparison, averaging 87.7 versus 71.8. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for agentic tasks in this comparison, averaging 70.5 versus 55.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for multimodal and grounded tasks in this comparison, averaging 90.9 versus 60.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for instruction following in this comparison, averaging 90 versus 86. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for multilingual tasks in this comparison, averaging 86.1 versus 81.5. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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