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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 low Release: 2026-05-19 GPT-5.4 GPT-5.4 none Release: 2026-03-05
Score 9.3 5.6
Rank #3 #121
Reliability 10.0 10.0
Consistency 10.0 9.1
Tests Correct
Attempt pass rate 90.0% 38.3%
Flaky tests 0 2
Total Runs 60 60
Cost per result 1.582 1.644
Total Cost $0.285 $0.116
Input Price $1.500 / 1M $2.500 / 1M
Output Price $9.000 / 1M $15.000 / 1M
Total Input Tokens 33,935 31,593
Output Tokens 2,027 2,402
Reasoning Tokens 23,938 0
Response Time (avg) 2.98s 1.45s
Response Time (max) 6.44s 2.95s
Response Time (total) 59.59s 29.00s

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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 2.52s 494 209 2,536
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 6.8 10.0 50.0% 0 5.54s 5,115 452 6,839
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 6.44s 12,873 351 3,050
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 1.81s 7,548 279 1,164
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 7.7 10.0 66.7% 0 3.39s 633 12 4,538
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 2.27s 486 119 916
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 9.9 10.0 100.0% 0 1.86s 615 71 1,652
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 2.35s 558 288 2,150
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 10.0 10.0 100.0% 0 3.27s 5,457 234 403
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 1.88s 156 12 690
GPT-5.4 3.0 10.0 0.0% 0 990ms 195 40 0

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