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Qwen: Qwen3.5 Plus 2026-04-20 vs xAI: Grok 4.3

Last updated at: 2026-05-22

Metric Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 medium Release: 2026-04-20 Grok 4.3 Grok 4.3 medium Release: 2026-05-01
Score 7.6 7.8
Rank #42 #31
Reliability 9.6 10.0
Consistency 8.7 8.4
Tests Correct
Attempt pass rate 71.7% 75.0%
Flaky tests 3 4
Total Runs 60 60
Cost per result 2.789 4.562
Total Cost $0.363 $0.593
Input Price $0.300 / 1M $1.250 / 1M
Output Price $1.800 / 1M $2.500 / 1M
Output Tokens 2,245 1,485
Reasoning Tokens 150,235 214,928
Response Time (avg) 43.63s 49.23s
Response Time (max) 189.38s 216.69s
Response Time (total) 872.61s 984.54s

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Score vs Total Cost

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Score vs Response Time (avg)

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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
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 10.84s 215 7,748
Grok 4.3 10.0 10.0 100.0% 0 8.83s 88 8,207
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 5.4 6.0 66.7% 1 137.55s 287 42,318
Grok 4.3 7.4 6.5 66.7% 1 55.26s 532 24,554
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 92.41s 483 17,490
Grok 4.3 10.0 10.0 100.0% 0 63.99s 234 15,301
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 38.32s 270 14,668
Grok 4.3 10.0 10.0 100.0% 0 18.97s 180 9,546
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 2.9 7.2 11.1% 1 53.10s 63 28,414
Grok 4.3 5.3 7.2 44.4% 1 181.74s 14 111,300
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 4.9 9.6 0.0% 0 25.30s 125 4,792
Grok 4.3 5.4 2.5 66.7% 1 24.70s 70 5,020
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 20.25s 103 7,689
Grok 4.3 9.8 10.0 100.0% 0 18.58s 57 8,713
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 8.2 7.2 88.9% 1 17.58s 324 9,786
Grok 4.3 5.9 7.2 55.6% 1 22.53s 128 14,686
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 14.72s 348 2,164
Grok 4.3 10.0 10.0 100.0% 0 17.66s 168 4,615
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-04-20 3.0 10.0 0.0% 0 92.57s 27 15,166
Grok 4.3 3.0 10.0 0.0% 0 44.47s 14 12,986

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