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

GPT-5.5 (medium) leads on average score with 9.0 vs 6.8. Gemini 3 Flash Preview has the lower benchmark cost at $0.085 vs $4.137. Gemini 3 Flash Preview is faster at 2.95s vs 38.42s, with pass rates of 65.2% vs 87.9%.

Recommended modelGemini 3 Flash PreviewIt offers the best overall trade-off: a competitive score (6.8), lower cost than GPT-5.5 (medium), and balanced response time.

Last updated at: 2026-07-25

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview none Release: 2025-12-17 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 6.8 9.0
Rank #97 #15
Reliability 10.0 10.0
Consistency 8.9 8.9
Tests Correct
Attempt pass rate 65.2% 87.9%
Flaky tests 3 3
Total Runs 66 66
Cost per result 0.648 22.980
Total Cost $0.085 $4.137
Input Price $0.500 / 1M $5.000 / 1M
Output Price $3.000 / 1M $30.000 / 1M
Total Input Tokens 104,210 80,659
Output Tokens 10,710 5,617
Reasoning Tokens 0 118,819
Response Time (avg) 2.95s 38.42s
Response Time (max) 21.19s 332.10s
Response Time (total) 44.26s 845.35s

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#97 Gemini 3 Flash Preview

none
Cost
$0.003
Time
5.6s
Tokens
981 tok

#15 GPT-5.5

medium
Cost
$0.112
Time
71.9s
Tokens
3,807 tok

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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 5.5 10.0 33.3% 0 1.80s 8,122 453 0
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959

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