Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Qwen3 235B 2507
35
Qwen3.5 397B
66
Verified leaderboard positions: Qwen3 235B 2507 unranked · Qwen3.5 397B #11
Pick Qwen3.5 397B if you want the stronger benchmark profile. Qwen3 235B 2507 only becomes the better choice if knowledge is the priority.
Knowledge
+11.0 difference
Multilingual
+5.3 difference
Qwen3 235B 2507
Qwen3.5 397B
$0 / $0
$0 / $0
N/A
96 t/s
N/A
2.44s
128K
128K
Pick Qwen3.5 397B if you want the stronger benchmark profile. Qwen3 235B 2507 only becomes the better choice if knowledge is the priority.
Qwen3.5 397B is clearly ahead on the provisional aggregate, 66 to 35. 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 multilingual, where it averages 84.7 against 79.4. The single biggest benchmark swing on the page is GPQA, 77.5% to 88.4%. Qwen3 235B 2507 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Qwen3.5 397B is ahead on BenchLM's provisional leaderboard, 66 to 35. The biggest single separator in this matchup is GPQA, where the scores are 77.5% and 88.4%.
Qwen3 235B 2507 has the edge for knowledge tasks in this comparison, averaging 76.2 versus 65.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Qwen3.5 397B has the edge for multilingual tasks in this comparison, averaging 84.7 versus 79.4. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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