Claude Sonnet 5 vs SWE-1.7
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Claude Sonnet 5 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Claude Sonnet 5
86
SWE-1.7
75
Pick Claude Sonnet 5 if you want the stronger benchmark profile. SWE-1.7 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Claude Sonnet 5 | Δ | SWE-1.7 |
|---|---|---|---|
| Agentic | 81.9 | ← 0.4 | 81.5 |
| Coding | 71.4 | — | — |
| Knowledge | 57.4 | — | — |
| Multimodal | 88.3 | — | — |
Operational Comparison
Claude Sonnet 5
SWE-1.7
$2 / $10
N/A
N/A
N/A
N/A
N/A
1M
256K
Quick Verdict
Pick Claude Sonnet 5 if you want the stronger benchmark profile. SWE-1.7 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Claude Sonnet 5 is clearly ahead on the provisional aggregate, 86 to 75. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Sonnet 5's sharpest advantage is in agentic, where it averages 81.9 against 81.5. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 80.4% to 81.5%.
Claude Sonnet 5 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, Claude Sonnet 5 or SWE-1.7?
Claude Sonnet 5 is ahead on BenchLM's provisional leaderboard, 86 to 75. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 80.4% and 81.5%.
Which is better for agentic tasks, Claude Sonnet 5 or SWE-1.7?
Claude Sonnet 5 has the edge for agentic tasks in this comparison, averaging 81.9 versus 81.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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