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

GPT-5.4 Mini (medium) leads on average score with 7.9 vs 7.2. Gemini 3.8 Flash (low) has the lower benchmark cost at $0.323 vs $1.102. Gemini 3.8 Flash (low) is faster at 7.54s vs 29.94s, with pass rates of 81.2% vs 69.6%.

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
#119
Total Output Tokens
184,172
Response Time (avg)
29.94s
Total Cost
$1.102
Recommended model Gemini 3.8 Flash (low)

Its score stays close to the best score here (7.2 vs 7.9), while costing about 3.4x less than GPT-5.4 Mini (medium).

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash low Release: 2026-09-02 GPT-5.4 Mini GPT-5.4 Mini medium Release: 2026-03-17
Score 7.2 7.9
Rank #171 #119
Reliability 9.9 10.0
Consistency 8.2 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 69.6%
Flaky tests 5 5
Total Runs 69 69
Cost per result 2.014 7.754
Total Cost $0.323 $1.102
Input Price $0.750 / 1M $0.750 / 1M
Output Price $3.750 / 1M $4.500 / 1M
Cache Read Price $0.075 / 1M $0.075 / 1M
Cache Write Price $0.042 / 1M N/A
Total Input Tokens 215,836 238,925
Output Tokens 9,452 7,109
Reasoning Tokens 33,289 177,063
Response Time (avg) 7.54s 29.94s
Response Time (max) 67.18s 138.75s
Response Time (total) 173.36s 688.57s
Parameters ~500B total (~20B active) ~400B total (~17B 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

#119 GPT-5.4 Mini

medium
Cost
$0.056
Time
95.5s
Tokens
12,464 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 Mini 8.4 7.4 88.9% 1 57.87s 7,305 467 40,902

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