Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.
Step 3.5 Flash is clearly ahead on the aggregate, 66 to 61. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Step 3.5 Flash's sharpest advantage is in mathematics, where it averages 84.5 against 74.6. The single biggest benchmark swing on the page is MuSR, 82 to 62.
Step 3.5 Flash is also the more expensive model on tokens at $0.10 input / $0.30 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Super 120B A12B. That is roughly Infinityx on output cost alone.
Pick Step 3.5 Flash if you want the stronger benchmark profile. Nemotron 3 Super 120B A12B only becomes the better choice if you want the cheaper token bill.
Step 3.5 Flash
60.2
Nemotron 3 Super 120B A12B
55.3
Step 3.5 Flash
47.1
Nemotron 3 Super 120B A12B
44.2
Step 3.5 Flash
66.7
Nemotron 3 Super 120B A12B
60.4
Step 3.5 Flash
78.3
Nemotron 3 Super 120B A12B
71.8
Step 3.5 Flash
60.8
Nemotron 3 Super 120B A12B
55.8
Step 3.5 Flash
87
Nemotron 3 Super 120B A12B
86
Step 3.5 Flash
82.8
Nemotron 3 Super 120B A12B
81.5
Step 3.5 Flash
84.5
Nemotron 3 Super 120B A12B
74.6
Step 3.5 Flash is ahead overall, 66 to 61. The biggest single separator in this matchup is MuSR, where the scores are 82 and 62.
Step 3.5 Flash has the edge for knowledge tasks in this comparison, averaging 60.8 versus 55.8. Inside this category, MMLU is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for coding in this comparison, averaging 47.1 versus 44.2. Inside this category, HumanEval is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for math in this comparison, averaging 84.5 versus 74.6. Inside this category, AIME 2023 is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for reasoning in this comparison, averaging 78.3 versus 71.8. Inside this category, MuSR is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for agentic tasks in this comparison, averaging 60.2 versus 55.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for multimodal and grounded tasks in this comparison, averaging 66.7 versus 60.4. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for instruction following in this comparison, averaging 87 versus 86. Inside this category, IFEval is the benchmark that creates the most daylight between them.
Step 3.5 Flash has the edge for multilingual tasks in this comparison, averaging 82.8 versus 81.5. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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