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Google: Gemini 3.6 Flash vs OpenAI: GPT-5.5

Gemini 3.6 Flash (high) leads on average score with 9.7 vs 9.3. GPT-5.5 (low) has the lower benchmark cost at $1.253 vs $1.785. GPT-5.5 (low) is faster at 10.13s vs 14.88s, with pass rates of 98.5% vs 86.4%.

Recommended modelGPT-5.5 (low)It offers the best overall trade-off: a competitive score (9.3), lower cost than Gemini 3.6 Flash (high), and balanced response time.

Last updated at: 2026-07-21

Metric Gemini 3.6 Flash Gemini 3.6 Flash high Release: 2026-07-21 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 9.7 9.3
Rank #2 #9
Reliability 10.0 10.0
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 98.5% 86.4%
Flaky tests 1 0
Total Runs 66 66
Cost per result 8.497 6.594
Total Cost $1.785 $1.253
Input Price $1.500 / 1M $5.000 / 1M
Output Price $7.500 / 1M $30.000 / 1M
Total Input Tokens 87,819 80,058
Output Tokens 5,750 5,378
Reasoning Tokens 214,596 23,040
Response Time (avg) 14.88s 10.13s
Response Time (max) 88.00s 56.19s
Response Time (total) 327.37s 222.82s

Hamster playing table tennis

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

#2 Gemini 3.6 Flash

high
Cost
$0.069
Time
44.0s
Tokens
9,251 tok

#9 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 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 3.6 Flash 10.0 10.0 100.0% 0 26.73s 8,136 448 60,606
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402

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