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

Last updated at: 2026-04-26

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 10.0 9.0
Rank #1 #5
Reliability N/A 10.0
Consistency 10.0 9.6
Tests Correct
Attempt pass rate 100.0% 87.0%
Flaky tests 0 1
Total Runs 18 54
Cost per result 0.600 4.534
Total Cost $0.108 $0.681
Input Price $0.500 / 1M $5.000 / 1M
Output Price $3.000 / 1M $30.000 / 1M
Output Tokens 655 1,959
Reasoning Tokens 33,749 16,134
Response Time (avg) 12.11s 8.39s
Response Time (max) 82.37s 56.19s
Response Time (total) 217.93s 151.01s

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 3.26s 110 1,076
GPT-5.5 10.0 10.0 100.0% 0 4.15s 232 1,056
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 82.37s 144 16,257
GPT-5.5 10.0 10.0 100.0% 0 7.79s 369 936
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 23.58s 117 3,495
GPT-5.5 10.0 10.0 100.0% 0 9.56s 303 717
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 7.62s 93 2,197
GPT-5.5 10.0 10.0 100.0% 0 3.28s 228 157
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 14.81s 4 7,228
GPT-5.5 5.3 10.0 33.3% 0 27.57s 69 11,731
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 6.34s 24 635
GPT-5.5 10.0 10.0 100.0% 0 3.45s 143 132
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 4.30s 24 903
GPT-5.5 9.9 10.0 100.0% 0 2.98s 93 356
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 4.86s 61 1,455
GPT-5.5 9.0 7.9 88.9% 1 4.48s 272 948
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 9.78s 78 503
GPT-5.5 10.0 10.0 100.0% 0 4.96s 250 101

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