Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.6
87
Qwen3.6 Plus
73
Verified leaderboard positions: Claude Opus 4.6 #5 · Qwen3.6 Plus #12
Pick Claude Opus 4.6 if you want the stronger benchmark profile. Qwen3.6 Plus only becomes the better choice if multimodal & grounded is the priority or you want the stronger reasoning-first profile.
Agentic
+11.0 difference
Coding
+0.4 difference
Knowledge
+10.2 difference
Multimodal
+2.3 difference
Claude Opus 4.6
Qwen3.6 Plus
$5 / $25
$null / $null
40 t/s
N/A
1.78s
N/A
1M
1M
Pick Claude Opus 4.6 if you want the stronger benchmark profile. Qwen3.6 Plus only becomes the better choice if multimodal & grounded is the priority or you want the stronger reasoning-first profile.
Claude Opus 4.6 is clearly ahead on the provisional aggregate, 87 to 73. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.6's sharpest advantage is in agentic, where it averages 72.6 against 61.6. The single biggest benchmark swing on the page is HLE, 53% to 28.8%. Qwen3.6 Plus does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.
Qwen3.6 Plus is the reasoning model in the pair, while Claude Opus 4.6 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use.
Claude Opus 4.6 is ahead on BenchLM's provisional leaderboard, 87 to 73. The biggest single separator in this matchup is HLE, where the scores are 53% and 28.8%.
Claude Opus 4.6 has the edge for knowledge tasks in this comparison, averaging 76.2 versus 66. Inside this category, HLE is the benchmark that creates the most daylight between them.
Qwen3.6 Plus has the edge for coding in this comparison, averaging 64.8 versus 64.4. Inside this category, Vibe Code Bench is the benchmark that creates the most daylight between them.
Claude Opus 4.6 has the edge for agentic tasks in this comparison, averaging 72.6 versus 61.6. Inside this category, Claw-Eval is the benchmark that creates the most daylight between them.
Qwen3.6 Plus has the edge for multimodal and grounded tasks in this comparison, averaging 79.6 versus 77.3. Inside this category, ScreenSpot Pro is the benchmark that creates the most daylight between them.
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