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Google: Gemini 3 Flash Preview vs OpenAI: GPT-5 Mini

Last updated at: 2026-04-16

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07
Score 10.0 7.0
Rank #1 #44
Consistency 10.0 8.6
Tests Correct
Attempt pass rate 100.0% 61.1%
Flaky tests 0 3
Total Runs 54 54
Cost per result 1.740 1.415
Total Cost $0.314 $0.128
Input Price $0.500 / 1M $0.250 / 1M
Output Price $3.000 / 1M $2.000 / 1M
Output Tokens 2,072 6,379
Reasoning Tokens 97,041 53,482
Response Time (avg) 17.60s 23.98s
Response Time (max) 79.71s 88.15s
Response Time (total) 193.57s 431.56s

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Score vs Response Time (avg)

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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 Flash Preview 10.0 10.0 100.0% 0 4.13s 305 3,490
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 Flash Preview 10.0 10.0 100.0% 0 79.71s 432 48,771
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 Flash Preview 10.0 10.0 100.0% 0 50.16s 351 12,645
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 Flash Preview 10.0 10.0 100.0% 0 4.72s 279 5,333
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 Flash Preview 10.0 10.0 100.0% 0 21.12s 12 14,908
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 Flash Preview 10.0 10.0 100.0% 0 4.09s 111 1,285
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 Flash Preview 10.0 10.0 100.0% 0 6.10s 72 4,558
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 Flash Preview 10.0 10.0 100.0% 0 4.43s 276 4,921
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 Flash Preview 10.0 10.0 100.0% 0 10.55s 234 1,130
GPT-5 Mini 10.0 10.0 100.0% 0 18.64s 487 1,600

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