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Qwen: Qwen3 Coder Next vs xAI: Grok 4.20

Last updated at: 2026-05-10

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 #131 #115
Reliability 10.0 N/A
Consistency 8.8 9.5
Tests Correct
Attempt pass rate 31.6% 35.2%
Flaky tests 3 1
Total Runs 57 54
Cost per result 0.181 1.574
Total Cost $0.008 $0.095
Input Price $0.110 / 1M $1.250 / 1M
Output Price $0.800 / 1M $2.500 / 1M
Output Tokens 3,253 1,967
Reasoning Tokens 0 0
Response Time (avg) 9.95s 1.11s
Response Time (max) 81.80s 6.04s
Response Time (total) 129.40s 20.02s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

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
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3 Coder Next 4.7 1.6 66.7% 1 1.69s 300 0
Grok 4.20 3.4 9.3 0.0% 0 1.22s 312 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 6.3 10.0 50.0% 0 7.34s 63 0
Grok 4.20 6.3 10.0 50.0% 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 3.0 10.0 0.0% 0 2.30s 641 0
Grok 4.20 5.3 7.2 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
Trivia 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 399ms 12 0
Grok 4.20 - - - - - - - -

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