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Google: Gemini 3.5 Flash vs OpenAI: GPT-5 Mini

Last updated at: 2026-06-01

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07
Score 9.6 7.2
Rank #2 #73
Reliability 10.0 10.0
Consistency 9.6 9.1
Tests Correct
Attempt pass rate 96.7% 61.7%
Flaky tests 1 2
Total Runs 60 60
Cost per result 5.231 1.348
Total Cost $0.994 $0.149
Input Price $1.500 / 1M $0.250 / 1M
Output Price $9.000 / 1M $2.000 / 1M
Output Tokens 1,969 6,723
Reasoning Tokens 102,679 63,082
Response Time (avg) 8.30s 23.75s
Response Time (max) 34.82s 88.15s
Response Time (total) 165.92s 475.03s

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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 3.5 Flash 10.0 10.0 100.0% 0 2.57s 174 4,997
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 3.5 Flash 10.0 10.0 100.0% 0 24.62s 450 34,170
GPT-5 Mini 10.0 10.0 100.0% 0 30.74s 580 12,544
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 351 16,323
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 3.5 Flash 10.0 10.0 100.0% 0 6.43s 279 8,466
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 3.5 Flash 7.6 7.2 77.8% 1 14.09s 12 24,721
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 3.5 Flash 10.0 10.0 100.0% 0 3.63s 115 1,650
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 3.5 Flash 10.0 10.0 100.0% 0 3.35s 70 3,799
GPT-5 Mini 10.0 10.0 100.0% 0 11.59s 310 3,968
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 241 4,940
GPT-5 Mini 5.6 9.8 33.3% 0 15.20s 1,622 6,144
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 265 1,608
GPT-5 Mini 10.0 10.0 100.0% 0 18.64s 487 1,600
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 12 2,005
GPT-5 Mini 3.0 10.0 0.0% 0 9.99s 160 1,856

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