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

GPT-5.5 (medium) leads on average score with 9.0 vs 8.8. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.449 vs $4.163. Gemini 3.5 Flash (low) is faster at 5.76s vs 38.97s, with pass rates of 84.9% vs 87.9%.

Last updated at: 2026-08-15

Rank
#24
Total Output Tokens
35,195
Response Time (avg)
5.76s
Total Cost
$0.449
Rank
#19
Total Output Tokens
125,316
Response Time (avg)
38.97s
Total Cost
$4.163
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (8.8 vs 9.0), while costing about 9.3x less than GPT-5.5 (medium).

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 8.8 9.0
Rank #24 #19
Reliability 10.0 10.0
Consistency 9.3 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 84.9% 87.9%
Flaky tests 2 3
Total Runs 66 66
Cost per result 2.492 23.127
Total Cost $0.449 $4.163
Input Price $1.500 / 1M $5.000 / 1M
Output Price $9.000 / 1M $30.000 / 1M
Total Input Tokens 87,826 80,668
Output Tokens 2,239 5,617
Reasoning Tokens 32,956 119,699
Response Time (avg) 5.76s 38.97s
Response Time (max) 53.55s 332.10s
Response Time (total) 126.71s 857.43s
Parameters ~500B total (~20B active) ~1.5T total (~100B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#24 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 tok

#19 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 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959

Quick Compare

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