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Gemini 3.8 Flash (low) vs GPT-5.4 Nano (medium)

GPT-5.4 Nano (medium) leads on average score with 8.0 vs 7.2. GPT-5.4 Nano (medium) has the lower benchmark cost at $0.235 vs $0.323. Gemini 3.8 Flash (low) is faster at 7.54s vs 15.95s, with pass rates of 81.2% vs 66.7%.

Last updated at: 2026-10-19

Compared models

Rank
#171
Total Output Tokens
42,741
Response Time (avg)
7.54s
Total Cost
$0.323
Rank
#112
Total Output Tokens
110,910
Response Time (avg)
15.95s
Total Cost
$0.235
Recommended model GPT-5.4 Nano (medium)

It has the strongest score in this comparison (8.0) and the best overall balance of cost and response time across 2 models.

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash low Release: 2026-09-02 GPT-5.4 Nano GPT-5.4 Nano medium Release: 2026-03-17
Score 7.2 8.0
Rank #171 #112
Reliability 9.9 10.0
Consistency 8.2 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 66.7%
Flaky tests 5 4
Total Runs 69 69
Cost per result 2.014 1.432
Total Cost $0.323 $0.235
Input Price $0.750 / 1M $0.200 / 1M
Output Price $3.750 / 1M $1.250 / 1M
Cache Read Price $0.075 / 1M $0.020 / 1M
Cache Write Price $0.042 / 1M N/A
Total Input Tokens 215,836 237,088
Output Tokens 9,452 8,235
Reasoning Tokens 33,289 102,675
Response Time (avg) 7.54s 15.95s
Response Time (max) 67.18s 94.06s
Response Time (total) 173.36s 366.93s
Parameters ~500B total (~20B active) ~120B total (~5B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#171 Gemini 3.8 Flash

low
Cost
$0.030
Time
45.8s
Tokens
8,023 tok

#112 GPT-5.4 Nano

medium
Cost
$0.007
Time
24.6s
Tokens
4,943 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 5.4 7.2 44.4% 1 4.31s 8,118 449 5,706
GPT-5.4 Nano 6.1 4.7 66.7% 2 19.12s 7,305 516 20,778

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