DeepSeek V4 Flash (Max) vs SWE-1.7
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
SWE-1.7 leads for most workloads by a narrow margin.
- DeepSeek V4 Flash (Max) offers ~3.9× the context window — choose it for very long inputs.
Based on BenchLM composite scores, July 2026.
DeepSeek V4 Flash (Max)
74
SWE-1.7
75
Verified leaderboard positions: DeepSeek V4 Flash (Max) #19 · SWE-1.7 unranked
Pick SWE-1.7 if you want the stronger benchmark profile. DeepSeek V4 Flash (Max) only becomes the better choice if you need the larger 1M context window.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | DeepSeek V4 Flash (Max) | Δ | SWE-1.7 |
|---|---|---|---|
| Agentic | 63.8 | → 17.7 | 81.5 |
| Coding | 73.7 | — | — |
| Knowledge | 55.6 | — | — |
| Math | 94.8 | — | — |
Operational Comparison
DeepSeek V4 Flash (Max)
SWE-1.7
$0.14 / $0.28
N/A
N/A
N/A
N/A
N/A
1M
256K
Quick Verdict
Pick SWE-1.7 if you want the stronger benchmark profile. DeepSeek V4 Flash (Max) only becomes the better choice if you need the larger 1M context window.
SWE-1.7 finishes one point ahead on BenchLM's provisional leaderboard, 75 to 74. That is enough to call, but not enough to treat as a blowout. This matchup comes down to a few meaningful edges rather than one model dominating the board.
SWE-1.7's sharpest advantage is in agentic, where it averages 81.5 against 63.8. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 56.9% to 81.5%.
DeepSeek V4 Flash (Max) gives you the larger context window at 1M, compared with 256K for SWE-1.7.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, DeepSeek V4 Flash (Max) or SWE-1.7?
SWE-1.7 is ahead on BenchLM's provisional leaderboard, 75 to 74. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 56.9% and 81.5%.
Which is better for agentic tasks, DeepSeek V4 Flash (Max) or SWE-1.7?
SWE-1.7 has the edge for agentic tasks in this comparison, averaging 81.5 versus 63.8. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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