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 32. 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 35.2. The single biggest benchmark swing on the page is MuSR, 82 to 25.
Step 3.5 Flash gives you the larger context window at 256K, compared with 32K for Mistral 8x7B v0.2.
Pick Step 3.5 Flash if you want the stronger benchmark profile. Mistral 8x7B v0.2 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Step 3.5 Flash
60.2
Mistral 8x7B v0.2
27.9
Step 3.5 Flash
47.1
Mistral 8x7B v0.2
13.3
Step 3.5 Flash
66.7
Mistral 8x7B v0.2
32.3
Step 3.5 Flash
78.3
Mistral 8x7B v0.2
35.2
Step 3.5 Flash
60.8
Mistral 8x7B v0.2
28.9
Step 3.5 Flash
87
Mistral 8x7B v0.2
67
Step 3.5 Flash
82.8
Mistral 8x7B v0.2
58.8
Step 3.5 Flash
84.5
Mistral 8x7B v0.2
42
Step 3.5 Flash is ahead overall, 66 to 32. The biggest single separator in this matchup is MuSR, where the scores are 82 and 25.
Step 3.5 Flash has the edge for knowledge tasks in this comparison, averaging 60.8 versus 28.9. 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 13.3. 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 42. 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 35.2. 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 27.9. 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 32.3. 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 67. 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 58.8. Inside this category, MGSM is the benchmark that creates the most daylight between them.
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