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Qwen: Qwen3 Coder Next vs xAI: Grok 4.20

Last updated at: 2026-04-02

Metric Qwen3 Coder Next Qwen3 Coder Next medium Release: 2026-02-03 Grok 4.20 Grok 4.20 none Release: 2026-03-31
Score 4.8 5.4
Rank #81 #69
Consistency 9.2 9.5
Tests Correct
Attempt pass rate 25.5% 31.4%
Flaky tests 2 1
Total Runs 51 51
Cost per result 0.230 1.809
Total Cost $0.007 $0.091
Input Price $0.120 / 1M $2.000 / 1M
Output Price $0.750 / 1M $6.000 / 1M
Output Tokens 2,941 1,655
Reasoning Tokens 0 0
Response Time (avg) 11.57s 1.11s
Response Time (max) 81.80s 6.04s
Response Time (total) 127.32s 18.80s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 3.5 8.1 16.7% 1 8.64s 1,252 0
Grok 4.20 4.8 10.0 25.0% 0 501ms 267 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 3.0 10.0 0.0% 0 4.28s 317 0
Grok 4.20 3.0 10.0 0.0% 0 6.04s 282 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 6.5 10.0 50.0% 0 81.80s 246 0
Grok 4.20 10.0 10.0 100.0% 0 522ms 207 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 5.3 10.0 33.3% 0 638ms 25 0
Grok 4.20 3.0 10.0 0.0% 0 687ms 325 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 6.3 3.4 66.7% 1 1.39s 142 0
Grok 4.20 4.8 10.0 0.0% 0 659ms 83 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 4.8 10.0 0.0% 0 7.34s 63 0
Grok 4.20 4.8 10.0 0.0% 0 455ms 60 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 3.1 10.0 0.0% 0 2.30s 641 0
Grok 4.20 5.3 7.4 44.4% 1 487ms 242 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 10.0 10.0 100.0% 0 2.64s 255 0
Grok 4.20 10.0 10.0 100.0% 0 4.63s 189 0

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