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Google: Gemini 3.5 Flash vs OpenAI: GPT-5.4

Last updated at: 2026-06-03

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GPT-5.4 GPT-5.4 none Release: 2026-03-05
Score 9.6 5.6
Rank #2 #121
Reliability 10.0 10.0
Consistency 9.6 9.1
Tests Correct
Attempt pass rate 96.7% 38.3%
Flaky tests 1 2
Total Runs 60 60
Cost per result 5.231 1.644
Total Cost $0.994 $0.116
Input Price $1.500 / 1M $2.500 / 1M
Output Price $9.000 / 1M $15.000 / 1M
Total Input Tokens 34,591 31,593
Output Tokens 1,969 2,402
Reasoning Tokens 102,679 0
Response Time (avg) 8.30s 1.45s
Response Time (max) 34.82s 2.95s
Response Time (total) 165.92s 29.00s

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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) 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 3.2 8.0 8.3% 1 1.21s 606 406 0
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 24.62s 5,115 450 34,170
GPT-5.4 6.8 10.0 50.0% 0 1.99s 4,686 501 0
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 3.0 10.0 0.0% 0 2.89s 11,019 291 0
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 10.0 10.0 100.0% 0 1.04s 7,140 222 0
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 5.3 7.2 44.4% 1 1.07s 723 50 0
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 4.4 9.9 0.0% 0 1.78s 477 184 0
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 6.5 10.0 50.0% 0 1.07s 660 81 0
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 5.6 9.8 33.3% 0 1.44s 642 381 0
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 10.0 10.0 100.0% 0 2.75s 5,445 246 0
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 3.0 10.0 0.0% 0 990ms 195 40 0

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