Nemotron 3 Super 120B A12B vs GPT-OSS 120B

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 48. 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 reasoning, where it averages 71.8 against 55.2. The single biggest benchmark swing on the page is LongBench v2, 77 to 58.

Nemotron 3 Super 120B A12B gives you the larger context window at 256K, compared with 128K for GPT-OSS 120B.

Quick Verdict

Pick Nemotron 3 Super 120B A12B if you want the stronger benchmark profile. GPT-OSS 120B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

55.3

GPT-OSS 120B

44.8

55
Terminal-Bench 2.0
43
59
BrowseComp
50
53
OSWorld-Verified
43

Coding

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

44.2

GPT-OSS 120B

28.1

59
HumanEval
43
46
SWE-bench Verified
29
42
LiveCodeBench
25
46
SWE-bench Pro
31

Multimodal & Grounded

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

60.4

GPT-OSS 120B

48.8

55
MMMU-Pro
42
67
OfficeQA Pro
57

Reasoning

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

71.8

GPT-OSS 120B

55.2

64
SimpleQA
49
62
MuSR
47
88
BBH
73
77
LongBench v2
58
77
MRCRv2
59

Knowledge

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

55.8

GPT-OSS 120B

41.5

68
MMLU
51
67
GPQA
50
65
SuperGPQA
48
63
OpenBookQA
46
75
MMLU-Pro
63
16
HLE
5
66
FrontierScience
49

Instruction Following

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

86

GPT-OSS 120B

79

86
IFEval
79

Multilingual

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

81.5

GPT-OSS 120B

70.7

86
MGSM
72
79
MMLU-ProX
70

Mathematics

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

74.6

GPT-OSS 120B

59.5

67
AIME 2023
51
69
AIME 2024
53
68
AIME 2025
52
63
HMMT Feb 2023
47
65
HMMT Feb 2024
49
64
HMMT Feb 2025
48
66
BRUMO 2025
50
85
MATH-500
71

Frequently Asked Questions

Which is better, Nemotron 3 Super 120B A12B or GPT-OSS 120B?

Nemotron 3 Super 120B A12B is ahead overall, 61 to 48. The biggest single separator in this matchup is LongBench v2, where the scores are 77 and 58.

Which is better for knowledge tasks, Nemotron 3 Super 120B A12B or GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for knowledge tasks in this comparison, averaging 55.8 versus 41.5. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, Nemotron 3 Super 120B A12B or GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for coding in this comparison, averaging 44.2 versus 28.1. 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 GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for math in this comparison, averaging 74.6 versus 59.5. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Nemotron 3 Super 120B A12B or GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for reasoning in this comparison, averaging 71.8 versus 55.2. 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 GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for agentic tasks in this comparison, averaging 55.3 versus 44.8. 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 GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for multimodal and grounded tasks in this comparison, averaging 60.4 versus 48.8. 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 GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for instruction following in this comparison, averaging 86 versus 79. 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 GPT-OSS 120B?

Nemotron 3 Super 120B A12B has the edge for multilingual tasks in this comparison, averaging 81.5 versus 70.7. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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