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Google: Gemini 3.1 Pro Preview vs OpenAI: GPT-5 Mini

Last updated at: 2026-04-16

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07
Score 9.6 7.0
Rank #2 #44
Consistency 10.0 8.6
Tests Correct
Attempt pass rate 94.4% 61.1%
Flaky tests 0 3
Total Runs 54 54
Cost per result 3.400 1.415
Total Cost $0.578 $0.128
Input Price $2.000 / 1M $0.250 / 1M
Output Price $12.000 / 1M $2.000 / 1M
Output Tokens 1,932 6,379
Reasoning Tokens 40,542 53,482
Response Time (avg) 15.96s 23.98s
Response Time (max) 40.61s 88.15s
Response Time (total) 175.52s 431.56s

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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
GPT-5 Mini 7.1 7.6 66.7% 1 13.86s 1,715 6,378
Coding 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 19.88s 405 4,201
GPT-5 Mini 10.0 10.0 100.0% 0 23.18s 483 4,160
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
GPT-5 Mini 10.0 10.0 100.0% 0 88.15s 754 11,520
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
GPT-5 Mini 10.0 10.0 100.0% 0 12.58s 453 3,200
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
GPT-5 Mini 3.6 7.2 22.2% 1 44.63s 293 14,016
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
GPT-5 Mini 4.5 10.0 0.0% 0 13.50s 349 1,856
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
GPT-5 Mini 8.0 6.6 83.3% 1 15.66s 318 4,992
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
GPT-5 Mini 5.6 9.8 33.3% 0 14.09s 1,527 5,760
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
GPT-5 Mini 10.0 10.0 100.0% 0 18.64s 487 1,600

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