Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.5
80
Qwen3 235B 2507
35
Verified leaderboard positions: Claude Opus 4.5 #7 · Qwen3 235B 2507 unranked
Pick Claude Opus 4.5 if you want the stronger benchmark profile. Qwen3 235B 2507 only becomes the better choice if knowledge is the priority.
Knowledge
+10.0 difference
Multilingual
+6.3 difference
Claude Opus 4.5
Qwen3 235B 2507
$null / $null
$0 / $0
46 t/s
N/A
1.01s
N/A
200K
128K
Pick Claude Opus 4.5 if you want the stronger benchmark profile. Qwen3 235B 2507 only becomes the better choice if knowledge is the priority.
Claude Opus 4.5 is clearly ahead on the provisional aggregate, 80 to 35. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.5's sharpest advantage is in multilingual, where it averages 85.7 against 79.4. The single biggest benchmark swing on the page is GPQA, 87% to 77.5%. Qwen3 235B 2507 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Claude Opus 4.5 gives you the larger context window at 200K, compared with 128K for Qwen3 235B 2507.
Claude Opus 4.5 is ahead on BenchLM's provisional leaderboard, 80 to 35. The biggest single separator in this matchup is GPQA, where the scores are 87% and 77.5%.
Qwen3 235B 2507 has the edge for knowledge tasks in this comparison, averaging 76.2 versus 66.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Claude Opus 4.5 has the edge for multilingual tasks in this comparison, averaging 85.7 versus 79.4. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.
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