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DeepSeek V4 Pro (High) vs Step 3.7 Flash

Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

DeepSeek V4 Pro (High)

83

VS

Step 3.7 Flash

72

2 categoriesvs0 categories

Verified leaderboard positions: DeepSeek V4 Pro (High) #10 · Step 3.7 Flash unranked

Pick DeepSeek V4 Pro (High) if you want the stronger benchmark profile. Step 3.7 Flash only becomes the better choice if you want the cheaper token bill.

Category Radar

Head-to-Head by Category

Category Breakdown

Agentic

DeepSeek V4 Pro (High)
70vs65.9

+4.1 difference

Coding

DeepSeek V4 Pro (High)
73.8vs56.3

+17.5 difference

Operational Comparison

DeepSeek V4 Pro (High)

Step 3.7 Flash

Price (per 1M tokens)

$1.74 / $3.48

$0.2 / $1.15

Speed

N/A

N/A

Latency (TTFT)

N/A

N/A

Context Window

1M

256K

Quick Verdict

Pick DeepSeek V4 Pro (High) if you want the stronger benchmark profile. Step 3.7 Flash only becomes the better choice if you want the cheaper token bill.

DeepSeek V4 Pro (High) is clearly ahead on the provisional aggregate, 83 to 72. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

DeepSeek V4 Pro (High)'s sharpest advantage is in coding, where it averages 73.8 against 56.3. The single biggest benchmark swing on the page is BrowseComp, 80.4% to 75.8%.

DeepSeek V4 Pro (High) is also the more expensive model on tokens at $1.74 input / $3.48 output per 1M tokens, versus $0.20 input / $1.15 output per 1M tokens for Step 3.7 Flash. That is roughly 3.0x on output cost alone. DeepSeek V4 Pro (High) gives you the larger context window at 1M, compared with 256K for Step 3.7 Flash.

Benchmark Deep Dive

Frequently Asked Questions (3)

Which is better, DeepSeek V4 Pro (High) or Step 3.7 Flash?

DeepSeek V4 Pro (High) is ahead on BenchLM's provisional leaderboard, 83 to 72. The biggest single separator in this matchup is BrowseComp, where the scores are 80.4% and 75.8%.

Which is better for coding, DeepSeek V4 Pro (High) or Step 3.7 Flash?

DeepSeek V4 Pro (High) has the edge for coding in this comparison, averaging 73.8 versus 56.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, DeepSeek V4 Pro (High) or Step 3.7 Flash?

DeepSeek V4 Pro (High) has the edge for agentic tasks in this comparison, averaging 70 versus 65.9. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.

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Last updated: June 1, 2026

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