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Google: Gemini 3 Flash Preview vs OpenAI: GPT-5.5

Last updated at: 2026-05-10

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 10.0 8.9
Rank #1 #4
Reliability 10.0 10.0
Consistency 10.0 9.1
Tests Correct
Attempt pass rate 100.0% 87.7%
Flaky tests 0 2
Total Runs 57 57
Cost per result 1.722 18.365
Total Cost $0.328 $2.939
Input Price $0.500 / 1M $5.000 / 1M
Output Price $3.000 / 1M $30.000 / 1M
Output Tokens 1,985 1,950
Reasoning Tokens 102,122 91,386
Response Time (avg) 11.43s 33.02s
Response Time (max) 74.66s 332.10s
Response Time (total) 217.10s 627.45s

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 Flash Preview 10.0 10.0 100.0% 0 3.88s 330 3,216
GPT-5.5 10.0 10.0 100.0% 0 4.66s 250 1,335
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 74.66s 432 48,771
GPT-5.5 10.0 10.0 100.0% 0 9.09s 318 1,391
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 22.42s 351 10,485
GPT-5.5 10.0 10.0 100.0% 0 19.29s 312 2,841
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.43s 279 4,893
GPT-5.5 10.0 10.0 100.0% 0 4.18s 234 593
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 15.27s 12 21,684
GPT-5.5 5.3 7.2 44.4% 1 164.14s 67 79,625
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.19s 72 1,905
GPT-5.5 10.0 10.0 100.0% 0 4.16s 138 223
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.04s 72 2,709
GPT-5.5 10.0 10.0 100.0% 0 3.36s 93 538
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.48s 192 4,647
GPT-5.5 10.0 10.0 100.0% 0 6.78s 250 2,254
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 12.60s 234 1,487
GPT-5.5 10.0 10.0 100.0% 0 10.57s 258 832
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.50s 11 2,325
GPT-5.5 2.8 1.6 33.3% 1 37.86s 30 1,754

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