Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude 3.5 Sonnet
42
Qwen3.5 397B
66
Verified leaderboard positions: Claude 3.5 Sonnet unranked · Qwen3.5 397B #11
Pick Qwen3.5 397B if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if you need the larger 200K context window.
Coding
+11.3 difference
Knowledge
+5.8 difference
Claude 3.5 Sonnet
Qwen3.5 397B
$null / $null
$0 / $0
N/A
96 t/s
N/A
2.44s
200K
128K
Pick Qwen3.5 397B if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if you need the larger 200K context window.
Qwen3.5 397B is clearly ahead on the provisional aggregate, 66 to 42. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Qwen3.5 397B's sharpest advantage is in coding, where it averages 60.3 against 49. The single biggest benchmark swing on the page is GPQA, 59.4% to 88.4%.
Claude 3.5 Sonnet gives you the larger context window at 200K, compared with 128K for Qwen3.5 397B.
Qwen3.5 397B is ahead on BenchLM's provisional leaderboard, 66 to 42. The biggest single separator in this matchup is GPQA, where the scores are 59.4% and 88.4%.
Qwen3.5 397B has the edge for knowledge tasks in this comparison, averaging 65.2 versus 59.4. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Qwen3.5 397B has the edge for coding in this comparison, averaging 60.3 versus 49. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
For engineers, researchers, and the plain curious — a weekly brief on new models, ranking shifts, and pricing changes.
Free. No spam. Unsubscribe anytime.