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 38. 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 48.6. The single biggest benchmark swing on the page is MuSR, 82 to 37.
Step 3.5 Flash gives you the larger context window at 256K, compared with 128K for Nova Pro.
Pick Step 3.5 Flash if you want the stronger benchmark profile. Nova Pro only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Step 3.5 Flash
60.2
Nova Pro
33.3
Step 3.5 Flash
47.1
Nova Pro
17.2
Step 3.5 Flash
66.7
Nova Pro
41.1
Step 3.5 Flash
78.3
Nova Pro
46.3
Step 3.5 Flash
60.8
Nova Pro
34.2
Step 3.5 Flash
87
Nova Pro
66
Step 3.5 Flash
82.8
Nova Pro
60.4
Step 3.5 Flash
84.5
Nova Pro
48.6
Step 3.5 Flash is ahead overall, 66 to 38. The biggest single separator in this matchup is MuSR, where the scores are 82 and 37.
Step 3.5 Flash has the edge for knowledge tasks in this comparison, averaging 60.8 versus 34.2. 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 17.2. 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 48.6. 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 46.3. 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 33.3. 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 41.1. 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 66. 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 60.4. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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