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Gemini 3.8 Flash (medium) vs GPT-5.5 (low)

GPT-5.5 (low) leads on average score with 9.3 vs 9.1. Gemini 3.8 Flash (medium) has the lower benchmark cost at $0.653 vs $1.257. GPT-5.5 (low) is faster at 10.15s vs 14.50s, with pass rates of 92.4% vs 86.4%.

Last updated at: 2026-09-02

Rank
#17
Total Output Tokens
154,908
Response Time (avg)
14.50s
Total Cost
$0.653
Rank
#11
Total Output Tokens
28,540
Response Time (avg)
10.15s
Total Cost
$1.257
Recommended model Gemini 3.8 Flash (medium)

Its score stays close to the best score here (9.1 vs 9.3), while costing about 1.9x less than GPT-5.5 (low).

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash medium Release: 2026-09-02 GPT-5.5 GPT-5.5 low Release: 2026-04-24
Score 9.1 9.3
Rank #17 #11
Reliability 10.0 10.0
Consistency 9.3 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 92.4% 86.4%
Flaky tests 2 0
Total Runs 66 66
Cost per result 3.436 6.614
Total Cost $0.653 $1.257
Input Price $0.750 / 1M $5.000 / 1M
Output Price $3.750 / 1M $30.000 / 1M
Total Input Tokens 95,793 80,067
Output Tokens 7,066 5,378
Reasoning Tokens 147,842 23,162
Response Time (avg) 14.50s 10.15s
Response Time (max) 108.60s 56.19s
Response Time (total) 318.92s 223.24s
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.

#17 Gemini 3.8 Flash

medium
Cost
$0.037
Time
54.6s
Tokens
9,712 tok

#11 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 3.8 Flash 8.0 9.9 66.7% 0 11.69s 8,118 454 19,433
GPT-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402

Quick Compare

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