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Qwen: Qwen3.5-27B vs xAI: Grok 4.1 Fast

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

Summary

Metric Qwen: Qwen3.5-27B medium Release: Unknown release date xAI: Grok 4.1 Fast medium Release: Unknown release date
Rank #5 #16
Score 8.55 6.29
Consistency 9.55 8.20
Cost per result 2.950 0.532
Total Cost $0.325 $0.043
Tests Correct
Wrong Tests 3 6
Attempt pass rate 83.3% 66.7%
Flaky tests 1 3
Output Tokens 1,091 793
Reasoning Tokens 131,807 74,056

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Qwen: Qwen3.5-27B 10.00 10.00 100.0% 0 102 8,956
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: Qwen3.5-27B 9.88 10.00 100.0% 0 270 16,150
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: Qwen3.5-27B 4.00 10.00 33.3% 0 43 52,368
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: Qwen3.5-27B 9.00 6.88 83.3% 1 97 11,638
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: Qwen3.5-27B 10.00 10.00 100.0% 0 231 41,372
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: Qwen3.5-27B 10.00 10.00 100.0% 0 348 1,323
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 260 11,485

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