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 47. 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 reasoning, where it averages 78.3 against 53.4. The single biggest benchmark swing on the page is MuSR, 82 to 50.
Step 3.5 Flash gives you the larger context window at 256K, compared with 32K for Nemotron-4 15B.
Pick Step 3.5 Flash if you want the stronger benchmark profile. Nemotron-4 15B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Step 3.5 Flash
60.2
Nemotron-4 15B
41.3
Step 3.5 Flash
47.1
Nemotron-4 15B
26.5
Step 3.5 Flash
66.7
Nemotron-4 15B
49.6
Step 3.5 Flash
78.3
Nemotron-4 15B
53.4
Step 3.5 Flash
60.8
Nemotron-4 15B
42.6
Step 3.5 Flash
87
Nemotron-4 15B
79
Step 3.5 Flash
82.8
Nemotron-4 15B
72.4
Step 3.5 Flash
84.5
Nemotron-4 15B
61.1
Step 3.5 Flash is ahead overall, 66 to 47. The biggest single separator in this matchup is MuSR, where the scores are 82 and 50.
Step 3.5 Flash has the edge for knowledge tasks in this comparison, averaging 60.8 versus 42.6. 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 26.5. 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 61.1. 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 53.4. 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 41.3. 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 49.6. 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 79. 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 72.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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