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Qwen: Qwen3.5-Flash vs xAI: Grok 4.1 Fast

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Last updated at : 2026-02-27 15:16

Summary

Metric Qwen: Qwen3.5-Flash medium Release: Unknown release date xAI: Grok 4.1 Fast medium Release: Unknown release date
Rank #24 #16
Score 5.79 6.29
Consistency 7.60 8.20
Cost per result 0.650 0.532
Total Cost $0.046 $0.043
Tests Correct
Wrong Tests 7 6
Attempt pass rate 66.7% 66.7%
Flaky tests 4 3
Output Tokens 1,194 793
Reasoning Tokens 108,368 74,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-Flash 10.00 10.00 100.0% 0 363 23,645
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 102 4,021
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-Flash 5.50 5.87 83.3% 1 235 16,237
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 180 5,472
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-Flash 1.00 4.41 33.3% 2 52 34,605
xAI: Grok 4.1 Fast 4.00 7.21 55.6% 1 12 40,547
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-Flash 7.50 9.91 50.0% 0 98 14,139
xAI: Grok 4.1 Fast 5.50 10.00 50.0% 0 48 3,151
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-Flash 4.00 7.21 55.6% 1 137 18,458
xAI: Grok 4.1 Fast 4.67 7.20 44.4% 1 191 9,380
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-Flash 10.00 10.00 100.0% 0 309 1,284
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 260 11,485

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