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Google: Gemini 3.5 Flash vs OpenAI: GPT-5.2

Last updated at: 2026-05-19

Metric Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19 GPT-5.2 GPT-5.2 medium Release: 2025-12-11
Score 9.6 7.2
Rank #2 #65
Reliability 10.0 10.0
Consistency 10.0 8.2
Tests Correct
Attempt pass rate 94.7% 68.4%
Flaky tests 0 4
Total Runs 57 57
Cost per result 1.359 3.609
Total Cost $0.245 $0.397
Input Price $1.500 / 1M $1.750 / 1M
Output Price $9.000 / 1M $14.000 / 1M
Output Tokens 2,003 2,731
Reasoning Tokens 20,245 22,200
Response Time (avg) 2.84s 15.22s
Response Time (max) 6.44s 77.80s
Response Time (total) 54.00s 182.59s

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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 2.52s 209 2,536
GPT-5.2 6.5 8.0 58.3% 1 7.81s 567 2,002
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 5.49s 428 3,146
GPT-5.2 10.0 10.0 100.0% 0 15.12s 467 2,166
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 6.44s 351 3,050
GPT-5.2 10.0 10.0 100.0% 0 14.06s 291 1,757
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 1.81s 279 1,164
GPT-5.2 10.0 10.0 100.0% 0 3.15s 234 420
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 7.7 10.0 66.7% 0 3.39s 12 4,538
GPT-5.2 5.9 7.2 55.6% 1 77.80s 42 10,342
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 2.27s 119 916
GPT-5.2 3.7 9.7 0.0% 0 4.32s 162 269
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.5 Flash 9.9 10.0 100.0% 0 1.86s 71 1,652
GPT-5.2 9.9 10.0 100.0% 0 3.12s 94 614
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 2.35s 288 2,150
GPT-5.2 7.6 7.3 77.8% 1 5.47s 609 938
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 3.27s 234 403
GPT-5.2 4.7 1.6 66.7% 1 10.30s 239 469
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 1.88s 12 690
GPT-5.2 3.0 10.0 0.0% 0 28.18s 26 3,223

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