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Google: Gemini 3.1 Pro Preview vs xAI: Grok 4.1 Fast

Model Name:

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

Summary

Metric Google: Gemini 3.1 Pro Preview medium Release: Unknown release date xAI: Grok 4.1 Fast none Release: Unknown release date
Rank #2 #38
Score 9.36 3.00
Consistency 10.00 8.69
Cost per result 2.443 0.176
Total Cost $0.318 $0.006
Tests Correct
Wrong Tests 1 11
Attempt pass rate 92.9% 28.6%
Flaky tests 0 2
Output Tokens 1,000 931
Reasoning Tokens 22,936 0

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Google: Gemini 3.1 Pro Preview 10.00 10.00 100.0% 0 106 2,533
xAI: Grok 4.1 Fast 1.33 10.00 0.0% 0 229 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Google: Gemini 3.1 Pro Preview 10.00 10.00 100.0% 0 292 3,164
xAI: Grok 4.1 Fast 10.00 10.00 100.0% 0 180 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Google: Gemini 3.1 Pro Preview 7.00 10.00 66.7% 0 18 10,688
xAI: Grok 4.1 Fast 4.00 7.21 55.6% 1 15 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Google: Gemini 3.1 Pro Preview 10.00 10.00 100.0% 0 72 2,436
xAI: Grok 4.1 Fast 1.00 10.00 0.0% 0 66 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Google: Gemini 3.1 Pro Preview 10.00 10.00 100.0% 0 238 3,133
xAI: Grok 4.1 Fast 1.00 9.48 0.0% 0 233 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
Google: Gemini 3.1 Pro Preview 10.00 10.00 100.0% 0 274 982
xAI: Grok 4.1 Fast 1.00 1.62 33.3% 1 208 0

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