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Google: Gemini 3.1 Pro Preview vs OpenAI: GPT-5.2 Chat

Last updated at: 2026-06-04

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11
Score 9.4 7.9
Rank #4 #24
Reliability 10.0 10.0
Consistency 10.0 8.9
Tests Correct
Attempt pass rate 90.5% 74.6%
Flaky tests 0 3
Total Runs 63 63
Cost per result 5.546 2.803
Total Cost $1.054 $0.393
Input Price $2.000 / 1M $1.750 / 1M
Output Price $12.000 / 1M $14.000 / 1M
Total Input Tokens 41,617 34,212
Output Tokens 1,977 23,744
Reasoning Tokens 78,896 0
Response Time (avg) 20.14s 7.13s
Response Time (max) 88.68s 38.52s
Response Time (total) 281.92s 149.69s

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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 3.1 Pro Preview 10.0 10.0 100.0% 0 7.90s 498 112 3,218
GPT-5.2 Chat 8.7 7.9 91.7% 1 3.40s 606 1,807 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.9 9.9 66.7% 0 40.17s 8,124 435 41,247
GPT-5.2 Chat 8.8 7.8 88.9% 1 9.82s 7,305 6,731 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 9.5 10.0 100.0% 0 40.61s 17,240 432 9,281
GPT-5.2 Chat 10.0 10.0 100.0% 0 9.12s 11,019 1,243 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.72s 7,265 279 3,904
GPT-5.2 Chat 10.0 10.0 100.0% 0 3.05s 7,140 980 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.7 10.0 66.7% 0 32.73s 635 18 12,424
GPT-5.2 Chat 5.3 10.0 33.3% 0 17.78s 723 7,810 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 11.77s 490 108 1,179
GPT-5.2 Chat 4.4 3.0 33.3% 1 3.20s 477 335 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.56s 621 72 2,236
GPT-5.2 Chat 9.8 10.0 100.0% 0 5.51s 660 1,441 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 6.90s 570 235 3,128
GPT-5.2 Chat 7.7 10.0 66.7% 0 4.10s 642 1,603 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 6,018 274 982
GPT-5.2 Chat 10.0 10.0 100.0% 0 4.68s 5,445 555 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 6.27s 156 12 1,297
GPT-5.2 Chat 3.0 10.0 0.0% 0 6.89s 195 1,239 0

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