GPT-5.6 Sol vs SWE-1.7
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
GPT-5.6 Sol leads for most workloads.
Based on BenchLM composite scores, July 2026.
GPT-5.6 Sol
86
SWE-1.7
74
Pick GPT-5.6 Sol 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 | GPT-5.6 Sol | Δ | SWE-1.7 |
|---|---|---|---|
| Agentic | 92.0 | ← 10.5 | 81.5 |
| Coding | 64.6 | — | — |
| Knowledge | 94.6 | — | — |
| Math | 87.5 | — | — |
| Multimodal | 83.0 | — | — |
Operational Comparison
GPT-5.6 Sol
SWE-1.7
$5 / $30
N/A
N/A
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1M
256K
Quick Verdict
Pick GPT-5.6 Sol 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.
GPT-5.6 Sol is clearly ahead on the provisional aggregate, 86 to 74. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.6 Sol's sharpest advantage is in agentic, where it averages 92 against 81.5. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 91.9% to 81.5%.
GPT-5.6 Sol 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, GPT-5.6 Sol or SWE-1.7?
GPT-5.6 Sol is ahead on BenchLM's provisional leaderboard, 86 to 74. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 91.9% and 81.5%.
Which is better for agentic tasks, GPT-5.6 Sol or SWE-1.7?
GPT-5.6 Sol has the edge for agentic tasks in this comparison, averaging 92 versus 81.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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