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Qwen: Qwen3 Coder Next vs xAI: Grok 4.20

Last updated at: 2026-04-29

Metric Qwen3 Coder Next Qwen3 Coder Next none Release: 2026-02-03 Grok 4.20 Grok 4.20 none Release: 2026-03-31
Score 5.1 5.2
Rank #113 #108
Reliability N/A N/A
Consistency 9.7 9.5
Tests Correct
Attempt pass rate 25.9% 29.6%
Flaky tests 1 1
Total Runs 54 54
Cost per result 0.188 1.889
Total Cost $0.008 $0.095
Input Price $0.140 / 1M $2.000 / 1M
Output Price $0.800 / 1M $6.000 / 1M
Output Tokens 3,617 1,967
Reasoning Tokens 0 0
Response Time (avg) 10.18s 1.11s
Response Time (max) 45.14s 6.04s
Response Time (total) 122.13s 20.02s

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Score vs Total Cost

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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 3.6 10.0 0.0% 0 3.31s 1,321 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 7.3 3.7 66.7% 1 3.14s 585 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 45.14s 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 1.32s 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 962ms 26 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 10.0 10.0 100.0% 0 1.34s 152 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 7.71s 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 3.2 10.0 0.0% 0 22.86s 652 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 2.47s 255 0
Grok 4.20 10.0 10.0 100.0% 0 4.63s 189 0

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