Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.20
69
Qwen3.6 Plus
65
Verified leaderboard positions: Grok 4.20 unranked · Qwen3.6 Plus #16
Pick Grok 4.20 if you want the stronger benchmark profile. Qwen3.6 Plus only becomes the better choice if agentic is the priority.
Agentic
+14.5 difference
Coding
+3.8 difference
Reasoning
+8.7 difference
Multimodal
+8.8 difference
Grok 4.20
Qwen3.6 Plus
$2 / $6
$null / $null
233 t/s
N/A
10.33s
N/A
2M
1M
Pick Grok 4.20 if you want the stronger benchmark profile. Qwen3.6 Plus only becomes the better choice if agentic is the priority.
Grok 4.20 is clearly ahead on the provisional aggregate, 69 to 65. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.20 gives you the larger context window at 2M, compared with 1M for Qwen3.6 Plus.
Grok 4.20 is ahead on BenchLM's provisional leaderboard, 69 to 65. The biggest single separator in this matchup is CharXiv, where the scores are 60.9% and 81.5%.
Qwen3.6 Plus has the edge for coding in this comparison, averaging 64.8 versus 61. Inside this category, Vibe Code Bench is the benchmark that creates the most daylight between them.
Qwen3.6 Plus has the edge for reasoning in this comparison, averaging 62 versus 53.3. Grok 4.20 stays close enough that the answer can still flip depending on your workload.
Qwen3.6 Plus has the edge for agentic tasks in this comparison, averaging 61.6 versus 47.1. Inside this category, Terminal-Bench 2.0 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 70.8. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
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