Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Grok 4.20
72
Qwen3.6-27B
73
Verified leaderboard positions: Grok 4.20 unranked · Qwen3.6-27B #18
Pick Qwen3.6-27B if you want the stronger benchmark profile. Grok 4.20 only becomes the better choice if you need the larger 2M context window.
Agentic
+12.2 difference
Coding
+9.6 difference
Multimodal
+5.8 difference
Grok 4.20
Qwen3.6-27B
$2 / $6
$0 / $0
233 t/s
N/A
10.33s
N/A
2M
262K
Pick Qwen3.6-27B if you want the stronger benchmark profile. Grok 4.20 only becomes the better choice if you need the larger 2M context window.
Qwen3.6-27B finishes one point ahead on BenchLM's provisional leaderboard, 73 to 72. That is enough to call, but not enough to treat as a blowout. This matchup comes down to a few meaningful edges rather than one model dominating the board.
Qwen3.6-27B's sharpest advantage is in agentic, where it averages 59.3 against 47.1. The single biggest benchmark swing on the page is CharXiv, 60.9% to 78.4%.
Grok 4.20 is also the more expensive model on tokens at $2.00 input / $6.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Qwen3.6-27B. That is roughly Infinityx on output cost alone. Grok 4.20 gives you the larger context window at 2M, compared with 262K for Qwen3.6-27B.
Qwen3.6-27B is ahead on BenchLM's provisional leaderboard, 73 to 72. The biggest single separator in this matchup is CharXiv, where the scores are 60.9% and 78.4%.
Qwen3.6-27B has the edge for coding in this comparison, averaging 70.6 versus 61. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Qwen3.6-27B has the edge for agentic tasks in this comparison, averaging 59.3 versus 47.1. Inside this category, Gert Labs is the benchmark that creates the most daylight between them.
Qwen3.6-27B has the edge for multimodal and grounded tasks in this comparison, averaging 76.6 versus 70.8. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
Estimates at 50,000 req/day · 1000 tokens/req average.
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