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Gemini 3.8 Flash (low) vs GPT 5.3 Chat

The average score is effectively tied at 7.5 vs 7.5. Gemini 3.8 Flash (low) has the lower benchmark cost at $0.239 vs $0.533. Gemini 3.8 Flash (low) is faster at 4.83s vs 6.56s, with pass rates of 81.8% vs 65.2%.

Last updated at: 2026-09-02

Rank
#99
Total Output Tokens
41,324
Response Time (avg)
4.83s
Total Cost
$0.239
Rank
#93
Total Output Tokens
28,179
Response Time (avg)
6.56s
Total Cost
$0.533
Recommended model Gemini 3.8 Flash (low)

It has the best score here (7.5), while costing about 2.2x less than GPT 5.3 Chat.

Detailed comparison

Metric Gemini 3.8 Flash Gemini 3.8 Flash low Release: 2026-09-02 GPT 5.3 Chat GPT 5.3 Chat none Release: 2026-03-03
Score 7.5 7.5
Rank #99 #93
Reliability 10.0 10.0
Consistency 8.5 8.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 81.8% 65.2%
Flaky tests 4 4
Total Runs 66 66
Cost per result 1.493 4.097
Total Cost $0.239 $0.533
Input Price $0.750 / 1M $1.750 / 1M
Output Price $3.750 / 1M $14.000 / 1M
Total Input Tokens 111,773 78,846
Output Tokens 8,035 28,179
Reasoning Tokens 33,289 0
Response Time (avg) 4.83s 6.56s
Response Time (max) 35.14s 18.33s
Response Time (total) 106.18s 137.77s
Parameters ~500B total (~20B active) ~400B total (~17B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#99 Gemini 3.8 Flash

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

#93 GPT 5.3 Chat

none
Cost
$0.008
Time
8.1s
Tokens
634 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 5.3 Chat 5.6 4.7 55.6% 2 10.52s 7,302 6,632 0

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