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Gemini 3.5 Flash (high) vs GPT-5.5 (medium)

Gemini 3.5 Flash (high) leads on average score with 9.5 vs 9.0. Gemini 3.5 Flash (high) has the lower benchmark cost at $1.976 vs $4.137. Gemini 3.5 Flash (high) is faster at 15.07s vs 38.42s, with pass rates of 93.9% vs 87.9%.

Last updated at: 2026-08-07

Rank
#4
Total Output Tokens
201,677
Response Time (avg)
15.07s
Total Cost
$1.976
Rank
#15
Total Output Tokens
124,436
Response Time (avg)
38.42s
Total Cost
$4.137
Recommended model Gemini 3.5 Flash (high)

It has the best score here (9.5), while costing about 2.1x less than GPT-5.5 (medium).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 9.5 9.0
Rank #4 #15
Reliability 10.0 10.0
Consistency 9.3 8.9
Benchmark coverage 22/22 tests · 66/66 attempts 22/22 tests · 66/66 attempts
Tests Correct
Attempt pass rate 93.9% 87.9%
Flaky tests 2 3
Total Runs 66 66
Cost per result 9.879 22.980
Total Cost $1.976 $4.137
Input Price $1.500 / 1M $5.000 / 1M
Output Price $9.000 / 1M $30.000 / 1M
Total Input Tokens 107,137 80,659
Output Tokens 8,777 5,617
Reasoning Tokens 192,900 118,819
Response Time (avg) 15.07s 38.42s
Response Time (max) 145.92s 332.10s
Response Time (total) 331.48s 845.35s

Model generation showcase

Hamster playing table tennis

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

#4 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 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 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959

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