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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 low Release: 2025-12-17 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 8.8 9.0
Rank #7 #5
Reliability N/A 10.0
Consistency 9.5 9.6
Tests Correct
Attempt pass rate 85.2% 87.0%
Flaky tests 1 1
Total Runs 54 54
Cost per result 0.604 4.534
Total Cost $0.091 $0.681
Input Price $0.500 / 1M $5.000 / 1M
Output Price $3.000 / 1M $30.000 / 1M
Output Tokens 2,018 1,959
Reasoning Tokens 23,273 16,134
Response Time (avg) 6.01s 8.39s
Response Time (max) 14.72s 56.19s
Response Time (total) 108.12s 151.01s

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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 3.48s 281 3,082
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 6.94s 426 2,717
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 3.0 10.0 0.0% 0 3.27s 326 0
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 9.40s 279 3,656
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 5.3 7.2 44.4% 1 8.05s 12 6,410
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 3.68s 120 981
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 9.9 10.0 100.0% 0 7.02s 71 2,752
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 6.11s 269 3,260
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 4.99s 234 415
GPT-5.5 10.0 10.0 100.0% 0 4.96s 250 101

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