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Grok 4.20 vs Qwen 3.6 Max (preview)

Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

Grok 4.20

77

VS

Qwen 3.6 Max (preview)

72

1 categoriesvs1 categories

Pick Grok 4.20 if you want the stronger benchmark profile. Qwen 3.6 Max (preview) only becomes the better choice if agentic is the priority.

Category Radar

Head-to-Head by Category

Category Breakdown

Agentic

Qwen 3.6 Max (preview)
47.1vs65.4

+18.3 difference

Coding

Grok 4.20
61vs54.1

+6.9 difference

Operational Comparison

Grok 4.20

Qwen 3.6 Max (preview)

Price (per 1M tokens)

$2 / $6

N/A

Speed

233 t/s

N/A

Latency (TTFT)

10.33s

N/A

Context Window

2M

256K

Quick Verdict

Pick Grok 4.20 if you want the stronger benchmark profile. Qwen 3.6 Max (preview) only becomes the better choice if agentic is the priority.

Grok 4.20 is clearly ahead on the provisional aggregate, 77 to 72. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Grok 4.20's sharpest advantage is in coding, where it averages 61 against 54.1. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 47.1% to 65.4%. Qwen 3.6 Max (preview) does hit back in agentic, so the answer changes if that is the part of the workload you care about most.

Grok 4.20 gives you the larger context window at 2M, compared with 256K for Qwen 3.6 Max (preview).

Benchmark Deep Dive

Frequently Asked Questions (3)

Which is better, Grok 4.20 or Qwen 3.6 Max (preview)?

Grok 4.20 is ahead on BenchLM's provisional leaderboard, 77 to 72. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 47.1% and 65.4%.

Which is better for coding, Grok 4.20 or Qwen 3.6 Max (preview)?

Grok 4.20 has the edge for coding in this comparison, averaging 61 versus 54.1. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Grok 4.20 or Qwen 3.6 Max (preview)?

Qwen 3.6 Max (preview) has the edge for agentic tasks in this comparison, averaging 65.4 versus 47.1. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

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Last updated: April 20, 2026

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