Nemotron 3 Super 120B A12B vs Claude 3 Opus

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Nemotron 3 Super 120B A12B is clearly ahead on the aggregate, 61 to 51. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Nemotron 3 Super 120B A12B's sharpest advantage is in coding, where it averages 44.2 against 19. The single biggest benchmark swing on the page is SWE-bench Verified, 46 to 10. Claude 3 Opus does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.

Nemotron 3 Super 120B A12B gives you the larger context window at 256K, compared with 200K for Claude 3 Opus.

Quick Verdict

Pick Nemotron 3 Super 120B A12B if you want the stronger benchmark profile. Claude 3 Opus only becomes the better choice if multimodal & grounded is the priority.

Agentic

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

55.3

Claude 3 Opus

48.1

55
Terminal-Bench 2.0
44
59
BrowseComp
56
53
OSWorld-Verified
47

Coding

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

44.2

Claude 3 Opus

19

59
HumanEval
53
46
SWE-bench Verified
10
42
LiveCodeBench
20
46
SWE-bench Pro
20

Multimodal & Grounded

Claude 3 Opus

Nemotron 3 Super 120B A12B

60.4

Claude 3 Opus

70.3

55
MMMU-Pro
73
67
OfficeQA Pro
67

Reasoning

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

71.8

Claude 3 Opus

61.6

64
SimpleQA
59
62
MuSR
57
88
BBH
74
77
LongBench v2
62
77
MRCRv2
63

Knowledge

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

55.8

Claude 3 Opus

45

68
MMLU
61
67
GPQA
61
65
SuperGPQA
59
63
OpenBookQA
57
75
MMLU-Pro
62
16
HLE
1
66
FrontierScience
56

Instruction Following

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

86

Claude 3 Opus

77

86
IFEval
77

Multilingual

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

81.5

Claude 3 Opus

69.8

86
MGSM
73
79
MMLU-ProX
68

Mathematics

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

74.6

Claude 3 Opus

65.9

67
AIME 2023
61
69
AIME 2024
63
68
AIME 2025
62
63
HMMT Feb 2023
57
65
HMMT Feb 2024
59
64
HMMT Feb 2025
58
66
BRUMO 2025
60
85
MATH-500
73

Frequently Asked Questions

Which is better, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B is ahead overall, 61 to 51. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 46 and 10.

Which is better for knowledge tasks, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for knowledge tasks in this comparison, averaging 55.8 versus 45. Inside this category, HLE is the benchmark that creates the most daylight between them.

Which is better for coding, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for coding in this comparison, averaging 44.2 versus 19. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for math in this comparison, averaging 74.6 versus 65.9. Inside this category, MATH-500 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for reasoning in this comparison, averaging 71.8 versus 61.6. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for agentic tasks in this comparison, averaging 55.3 versus 48.1. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Claude 3 Opus has the edge for multimodal and grounded tasks in this comparison, averaging 70.3 versus 60.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for instruction following in this comparison, averaging 86 versus 77. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Nemotron 3 Super 120B A12B or Claude 3 Opus?

Nemotron 3 Super 120B A12B has the edge for multilingual tasks in this comparison, averaging 81.5 versus 69.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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