Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
DeepSeek V4 Flash (Max)
75
Step 3.7 Flash
72
Verified leaderboard positions: DeepSeek V4 Flash (Max) #17 · Step 3.7 Flash unranked
Pick DeepSeek V4 Flash (Max) if you want the stronger benchmark profile. Step 3.7 Flash only becomes the better choice if agentic is the priority.
Agentic
+2.6 difference
Coding
+17.4 difference
DeepSeek V4 Flash (Max)
Step 3.7 Flash
$0.14 / $0.28
$0.2 / $1.15
N/A
N/A
N/A
N/A
1M
256K
Pick DeepSeek V4 Flash (Max) if you want the stronger benchmark profile. Step 3.7 Flash only becomes the better choice if agentic is the priority.
DeepSeek V4 Flash (Max) has the cleaner provisional overall profile here, landing at 75 versus 72. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
DeepSeek V4 Flash (Max)'s sharpest advantage is in coding, where it averages 73.7 against 56.3. The single biggest benchmark swing on the page is SWE-bench Pro, 52.6% to 56.3%. Step 3.7 Flash does hit back in agentic, so the answer changes if that is the part of the workload you care about most.
Step 3.7 Flash is also the more expensive model on tokens at $0.20 input / $1.15 output per 1M tokens, versus $0.14 input / $0.28 output per 1M tokens for DeepSeek V4 Flash (Max). That is roughly 4.1x on output cost alone. DeepSeek V4 Flash (Max) gives you the larger context window at 1M, compared with 256K for Step 3.7 Flash.
DeepSeek V4 Flash (Max) is ahead on BenchLM's provisional leaderboard, 75 to 72. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 52.6% and 56.3%.
DeepSeek V4 Flash (Max) has the edge for coding in this comparison, averaging 73.7 versus 56.3. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Step 3.7 Flash has the edge for agentic tasks in this comparison, averaging 65.9 versus 63.3. Inside this category, BrowseComp is the benchmark that creates the most daylight between them.
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