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Google: Gemini 3.1 Pro Preview vs xAI: Grok Build 0.1

Last updated at: 2026-05-22

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 Grok Build 0.1 Grok Build 0.1 none Release: 2026-05-21
Score 9.3 6.6
Rank #4 #82
Reliability 10.0 10.0
Consistency 10.0 8.0
Tests Correct
Attempt pass rate 90.0% 60.4%
Flaky tests 0 4
Total Runs 60 57
Cost per result 5.586 7.805
Total Cost $1.006 $0.547
Input Price $2.000 / 1M $1.000 / 1M
Output Price $12.000 / 1M $2.000 / 1M
Output Tokens 1,968 267,275
Reasoning Tokens 75,373 0
Response Time (avg) 20.80s 28.69s
Response Time (max) 88.68s 138.35s
Response Time (total) 270.46s 459.00s

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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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.90s 112 3,218
Grok Build 0.1 8.7 7.9 91.7% 1 6.30s 11,162 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.0 9.8 50.0% 0 54.28s 429 37,735
Grok Build 0.1 10.0 10.0 100.0% 0 21.41s 16,568 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 9.5 10.0 100.0% 0 40.61s 432 9,281
Grok Build 0.1 0.0 0.0 0.0% 0 0ms 0 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.72s 279 3,904
Grok Build 0.1 4.7 1.6 66.7% 1 9.33s 6,359 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.7 10.0 66.7% 0 32.73s 18 12,424
Grok Build 0.1 3.6 7.2 22.2% 1 103.71s 179,469 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 11.77s 108 1,179
Grok Build 0.1 4.3 10.0 0.0% 0 12.47s 6,647 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.56s 72 2,236
Grok Build 0.1 9.8 10.0 100.0% 0 7.36s 8,970 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.15s 232 3,117
Grok Build 0.1 6.4 7.7 55.6% 1 9.55s 14,982 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 274 982
Grok Build 0.1 0.0 0.0 0.0% 0 0ms 0 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 6.27s 12 1,297
Grok Build 0.1 3.0 10.0 0.0% 0 36.09s 23,118 0

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