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Google: Gemma 4 31B vs xAI: Grok 4.1 Fast

Last updated at: 2026-04-02

Metric Gemma 4 31B Gemma 4 31B none Release: 2026-04-02 Grok 4.1 Fast Grok 4.1 Fast medium Release: 2025-11-19
Score 6.7 6.9
Rank #47 #43
Consistency 10.0 7.5
Tests Correct
Attempt pass rate 52.9% 66.7%
Flaky tests 0 5
Total Runs 51 51
Cost per result 0.023 0.568
Total Cost $0.002 $0.052
Input Price $0.140 / 1M $0.200 / 1M
Output Price $0.400 / 1M $0.500 / 1M
Output Tokens 660 1,189
Reasoning Tokens 0 84,595
Response Time (avg) 2.55s 23.91s
Response Time (max) 4.68s 121.79s
Response Time (total) 38.20s 239.09s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 6.5 10.0 50.0% 0 1.85s 45 0
Grok 4.1 Fast 8.7 7.9 91.7% 1 3.81s 108 4,741
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0
Grok 4.1 Fast 10.0 10.0 100.0% 0 37.64s 261 12,272
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 10.0 10.0 100.0% 0 2.25s 285 0
Grok 4.1 Fast 10.0 10.0 100.0% 0 6.63s 180 5,409
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 7.7 10.0 66.7% 0 3.22s 27 0
Grok 4.1 Fast 5.8 4.4 66.7% 2 121.79s 11 37,657
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 10.0 10.0 100.0% 0 2.09s 117 0
Grok 4.1 Fast 4.2 9.9 0.0% 0 16.25s 127 3,456
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 6.5 10.0 50.0% 0 2.84s 78 0
Grok 4.1 Fast 6.6 10.0 50.0% 0 5.30s 55 3,489
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 5.5 10.0 33.3% 0 2.95s 108 0
Grok 4.1 Fast 5.3 7.2 44.4% 1 8.08s 187 6,086
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0
Grok 4.1 Fast 2.8 1.6 33.3% 1 27.71s 260 11,485

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