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

Last updated at: 2026-06-01

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview none Release: 2025-12-17 GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07
Score 7.7 7.2
Rank #42 #73
Reliability 10.0 10.0
Consistency 9.2 9.1
Tests Correct
Attempt pass rate 70.0% 61.7%
Flaky tests 2 2
Total Runs 60 60
Cost per result 0.175 1.348
Total Cost $0.023 $0.149
Input Price $0.500 / 1M $0.250 / 1M
Output Price $3.000 / 1M $2.000 / 1M
Output Tokens 1,879 6,723
Reasoning Tokens 0 63,082
Response Time (avg) 1.70s 23.75s
Response Time (max) 3.56s 88.15s
Response Time (total) 22.05s 475.03s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

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 8.3 10.0 75.0% 0 1.25s 214 0
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 6.8 10.0 50.0% 0 2.19s 447 0
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 Flash Preview 4.7 1.6 66.7% 1 3.56s 350 0
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 1.41s 279 0
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 7.7 10.0 66.7% 0 963ms 18 0
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 1.13s 104 0
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 6.4 5.8 66.7% 1 1.58s 74 0
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 Flash Preview 7.7 10.0 66.7% 0 1.05s 144 0
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 Flash Preview 10.0 10.0 100.0% 0 3.35s 234 0
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 Flash Preview 3.0 10.0 0.0% 0 1.07s 15 0
GPT-5 Mini 3.0 10.0 0.0% 0 9.99s 160 1,856

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