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

Gemini 3.5 Flash (high) leads on average score with 9.5 vs 8.1. GPT-5 Mini (medium) has the lower benchmark cost at $0.237 vs $1.976. Gemini 3.5 Flash (high) is faster at 15.07s vs 27.63s, with pass rates of 93.9% vs 63.6%.

Recommended modelGemini 3.5 Flash (high)It has the best score here (9.5), while responding about 1.8x faster than GPT-5 Mini (medium).

Last updated at: 2026-07-17

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 9.5 8.1
Rank #2 #26
Reliability 10.0 10.0
Consistency 9.3 8.8
Tests Correct
Attempt pass rate 93.9% 63.6%
Flaky tests 2 3
Total Runs 66 66
Cost per result 9.879 1.971
Total Cost $1.976 $0.237
Input Price $1.500 / 1M $0.250 / 1M
Output Price $9.000 / 1M $2.000 / 1M
Total Input Tokens 107,137 98,374
Output Tokens 8,777 14,434
Reasoning Tokens 192,900 91,498
Response Time (avg) 15.07s 27.63s
Response Time (max) 145.92s 111.48s
Response Time (total) 331.48s 607.92s

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#2 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 tok

#26 GPT-5 Mini

medium
Cost
$0.007
Time
42.9s
Tokens
3,432 tok

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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
GPT-5 Mini 10.0 10.0 100.0% 0 27.63s 7,302 658 17,152

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