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Google: Gemini 3.5 Flash vs OpenAI: GPT-5.4

Last updated at: 2026-05-22

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 9.6 7.9
Rank #2 #27
Reliability 10.0 10.0
Consistency 9.6 8.5
Tests Correct
Attempt pass rate 96.7% 75.0%
Flaky tests 1 4
Total Runs 60 60
Cost per result 5.231 8.767
Total Cost $0.994 $1.140
Input Price $1.500 / 1M $2.500 / 1M
Output Price $9.000 / 1M $15.000 / 1M
Output Tokens 1,969 2,222
Reasoning Tokens 102,679 68,503
Response Time (avg) 8.30s 22.31s
Response Time (max) 34.82s 100.41s
Response Time (total) 165.92s 446.15s

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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 3.5 Flash 10.0 10.0 100.0% 0 2.57s 174 4,997
GPT-5.4 8.3 10.0 75.0% 0 4.11s 240 1,511
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 24.62s 450 34,170
GPT-5.4 8.2 6.7 83.3% 1 54.98s 412 19,995
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 351 16,323
GPT-5.4 10.0 10.0 100.0% 0 20.57s 301 3,543
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 279 8,466
GPT-5.4 10.0 10.0 100.0% 0 5.32s 234 804
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 12 24,721
GPT-5.4 5.3 7.2 44.4% 1 74.27s 61 34,748
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 115 1,650
GPT-5.4 4.7 3.1 33.3% 1 4.92s 145 321
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 70 3,799
GPT-5.4 10.0 10.0 100.0% 0 3.11s 93 897
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 241 4,940
GPT-5.4 8.2 7.2 88.9% 1 9.13s 442 3,832
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 265 1,608
GPT-5.4 10.0 10.0 100.0% 0 13.28s 264 1,031
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 12 2,005
GPT-5.4 3.0 10.0 0.0% 0 13.95s 30 1,821

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