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Google: Gemini 3.5 Flash vs OpenAI: GPT-5.4 Mini

Summary

Gemini 3.5 Flash vs GPT-5.4 Mini benchmark comparison: Gemini 3.5 Flash leads on average score with 9.8 vs 8.0. GPT-5.4 Mini has the lower benchmark cost at $0.526 vs $1.115. Gemini 3.5 Flash is faster at 8.84s vs 22.34s, with pass rates of 96.8% vs 73.0%.

Recommended model: Gemini 3.5 Flash - It has the best score here (9.8), while responding about 2.5x faster than GPT-5.4 Mini.

Last updated at: 2026-06-12

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GPT-5.4 Mini GPT-5.4 Mini medium Release: 2026-03-17
Score 9.8 8.0
Rank #1 #30
Reliability 10.0 10.0
Consistency 9.6 8.0
Tests Correct
Attempt pass rate 96.8% 73.0%
Flaky tests 1 5
Total Runs 63 63
Cost per result 5.575 4.381
Total Cost $1.115 $0.526
Input Price $1.500 / 1M $0.750 / 1M
Output Price $9.000 / 1M $4.500 / 1M
Total Input Tokens 37,594 34,116
Output Tokens 1,975 2,181
Reasoning Tokens 115,638 108,937
Response Time (avg) 8.84s 22.34s
Response Time (max) 34.82s 138.75s
Response Time (total) 185.57s 469.20s

Generation showcase

Hamster playing table tennis

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

#1 Gemini 3.5 Flash

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

#30 GPT-5.4 Mini

medium
Cost
$0.056
Time
95.5s
Tokens
12,464 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

Anti-AI Tricks 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 2.57s 492 174 4,997
GPT-5.4 Mini 8.6 7.9 91.7% 1 4.05s 606 296 2,876
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-5.4 Mini 8.4 7.4 88.9% 1 57.87s 7,305 467 40,902
Combined 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 22.37s 12,873 351 16,323
GPT-5.4 Mini 10.0 10.0 100.0% 0 17.81s 11,019 317 4,317
Data parsing and extraction 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 6.43s 7,548 279 8,466
GPT-5.4 Mini 10.0 10.0 100.0% 0 2.43s 7,140 234 650
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 633 12 24,721
GPT-5.4 Mini 4.1 4.4 44.5% 2 65.31s 619 60 43,286
General Intelligence 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 3.63s 486 115 1,650
GPT-5.4 Mini 4.5 10.0 0.0% 0 3.72s 477 150 510
Instructions following 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 3.35s 615 70 3,799
GPT-5.4 Mini 9.8 10.0 100.0% 0 2.13s 660 96 1,185
Puzzle Solving 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 3.23s 558 241 4,940
GPT-5.4 Mini 7.8 10.0 66.7% 0 4.37s 642 278 2,443
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 6,115 265 1,608
GPT-5.4 Mini 4.7 1.6 66.7% 1 9.62s 5,453 251 2,594
Trivia 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 3.94s 156 12 2,005
GPT-5.4 Mini 3.0 10.0 0.0% 0 30.10s 195 32 10,174

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