Nemotron 3 Super 120B A12B vs Llama 3.1 405B

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

Nemotron 3 Super 120B A12B has the cleaner overall profile here, landing at 61 versus 59. It is a real lead, but still close enough that category-level strengths matter more than the headline number.

Nemotron 3 Super 120B A12B's sharpest advantage is in coding, where it averages 44.2 against 40.6. The single biggest benchmark swing on the page is MRCRv2, 77 to 65. Llama 3.1 405B 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 128K for Llama 3.1 405B.

Quick Verdict

Pick Nemotron 3 Super 120B A12B if you want the stronger benchmark profile. Llama 3.1 405B only becomes the better choice if multimodal & grounded is the priority.

Agentic

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

55.3

Llama 3.1 405B

53.9

55
Terminal-Bench 2.0
53
59
BrowseComp
58
53
OSWorld-Verified
52

Coding

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

44.2

Llama 3.1 405B

40.6

59
HumanEval
62
46
SWE-bench Verified
46
42
LiveCodeBench
37
46
SWE-bench Pro
43

Multimodal & Grounded

Llama 3.1 405B

Nemotron 3 Super 120B A12B

60.4

Llama 3.1 405B

62.3

55
MMMU-Pro
60
67
OfficeQA Pro
65

Reasoning

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

71.8

Llama 3.1 405B

68.3

64
SimpleQA
68
62
MuSR
66
88
BBH
82
77
LongBench v2
68
77
MRCRv2
65

Knowledge

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

55.8

Llama 3.1 405B

53.2

68
MMLU
70
67
GPQA
70
65
SuperGPQA
68
63
OpenBookQA
66
75
MMLU-Pro
71
16
HLE
7
66
FrontierScience
65

Instruction Following

Tie

Nemotron 3 Super 120B A12B

86

Llama 3.1 405B

86

86
IFEval
86

Multilingual

Nemotron 3 Super 120B A12B

Nemotron 3 Super 120B A12B

81.5

Llama 3.1 405B

80.1

86
MGSM
84
79
MMLU-ProX
78

Mathematics

Llama 3.1 405B

Nemotron 3 Super 120B A12B

74.6

Llama 3.1 405B

74.9

67
AIME 2023
70
69
AIME 2024
72
68
AIME 2025
71
63
HMMT Feb 2023
66
65
HMMT Feb 2024
68
64
HMMT Feb 2025
67
66
BRUMO 2025
69
85
MATH-500
82

Frequently Asked Questions

Which is better, Nemotron 3 Super 120B A12B or Llama 3.1 405B?

Nemotron 3 Super 120B A12B is ahead overall, 61 to 59. The biggest single separator in this matchup is MRCRv2, where the scores are 77 and 65.

Which is better for knowledge tasks, Nemotron 3 Super 120B A12B or Llama 3.1 405B?

Nemotron 3 Super 120B A12B has the edge for knowledge tasks in this comparison, averaging 55.8 versus 53.2. 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 Llama 3.1 405B?

Nemotron 3 Super 120B A12B has the edge for coding in this comparison, averaging 44.2 versus 40.6. Inside this category, LiveCodeBench is the benchmark that creates the most daylight between them.

Which is better for math, Nemotron 3 Super 120B A12B or Llama 3.1 405B?

Llama 3.1 405B has the edge for math in this comparison, averaging 74.9 versus 74.6. 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 Llama 3.1 405B?

Nemotron 3 Super 120B A12B has the edge for reasoning in this comparison, averaging 71.8 versus 68.3. Inside this category, MRCRv2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Nemotron 3 Super 120B A12B or Llama 3.1 405B?

Nemotron 3 Super 120B A12B has the edge for agentic tasks in this comparison, averaging 55.3 versus 53.9. 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 Llama 3.1 405B?

Llama 3.1 405B has the edge for multimodal and grounded tasks in this comparison, averaging 62.3 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 Llama 3.1 405B?

Nemotron 3 Super 120B A12B and Llama 3.1 405B are effectively tied for instruction following here, both landing at 86 on average.

Which is better for multilingual tasks, Nemotron 3 Super 120B A12B or Llama 3.1 405B?

Nemotron 3 Super 120B A12B has the edge for multilingual tasks in this comparison, averaging 81.5 versus 80.1. Inside this category, MGSM is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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