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Google: Gemini 3.5 Flash vs OpenAI: GPT-5.2 Chat

Last updated at: 2026-05-28

Metric Gemini 3.5 Flash Gemini 3.5 Flash minimal Release: 2026-05-19 GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11
Score 7.9 7.9
Rank #26 #31
Reliability 10.0 10.0
Consistency 9.6 8.9
Tests Correct
Attempt pass rate 71.7% 73.3%
Flaky tests 1 3
Total Runs 60 60
Cost per result 0.734 2.703
Total Cost $0.103 $0.352
Input Price $1.500 / 1M $1.750 / 1M
Output Price $9.000 / 1M $14.000 / 1M
Output Tokens 5,271 21,144
Reasoning Tokens 0 0
Response Time (avg) 1.58s 6.82s
Response Time (max) 5.51s 38.52s
Response Time (total) 31.55s 136.34s

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) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 6.5 10.0 50.0% 0 892ms 405 0
GPT-5.2 Chat 8.7 7.9 91.7% 1 3.40s 1,807 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 7.0 9.8 50.0% 0 3.39s 3,450 0
GPT-5.2 Chat 8.2 6.7 83.3% 1 8.05s 4,131 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 3.0 10.0 0.0% 0 3.56s 404 0
GPT-5.2 Chat 10.0 10.0 100.0% 0 9.12s 1,243 0
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 1.66s 279 0
GPT-5.2 Chat 10.0 10.0 100.0% 0 3.05s 980 0
Domain specific 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 899ms 12 0
GPT-5.2 Chat 5.3 10.0 33.3% 0 17.78s 7,810 0
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 922ms 117 0
GPT-5.2 Chat 4.4 3.0 33.3% 1 3.20s 335 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 6.4 5.8 66.7% 1 893ms 76 0
GPT-5.2 Chat 9.8 10.0 100.0% 0 5.51s 1,441 0
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 1.45s 282 0
GPT-5.2 Chat 7.7 10.0 66.7% 0 4.10s 1,603 0
Tool Calling 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 2.79s 234 0
GPT-5.2 Chat 10.0 10.0 100.0% 0 4.68s 555 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 3.0 10.0 0.0% 0 1.76s 12 0
GPT-5.2 Chat 3.0 10.0 0.0% 0 6.89s 1,239 0

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