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GPT 5.3 Chat (default) vs GLM 5.2

The average score is effectively tied at 6.7 vs 6.6. GLM 5.2 has the lower benchmark cost at $0.250 vs $0.533. GPT 5.3 Chat (default) is faster at 6.31s vs 11.27s, with pass rates of 62.3% vs 63.8%.

Last updated at: 2026-10-07

Compared models

Rank
#193
Total Output Tokens
28,179
Response Time (avg)
6.31s
Total Cost
$0.533
Rank
#198
Total Output Tokens
17,685
Response Time (avg)
11.27s
Total Cost
$0.250
Recommended model GLM 5.2

It has the best score here (6.6), while costing about 2.1x less than GPT 5.3 Chat (default).

Detailed comparison

Metric GPT 5.3 Chat GPT 5.3 Chat default Release: 2026-03-03 GLM 5.2 GLM 5.2 none Release: 2026-06-17
Score 6.7 6.6
Rank #193 #198
Reliability 10.0 10.0
Consistency 8.6 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 62.3% 63.8%
Flaky tests 4 3
Total Runs 69 69
Cost per result 4.097 1.753
Total Cost $0.533 $0.250
Input Price $1.750 / 1M $0.153 / 1M
Output Price $14.000 / 1M $12.000 / 1M
Cache Read Price N/A $0.150 / 1M
Cache Write Price N/A N/A
Total Input Tokens 78,846 247,919
Output Tokens 7,635 17,685
Reasoning Tokens 20,544 0
Response Time (avg) 6.31s 11.27s
Response Time (max) 18.33s 79.65s
Response Time (total) 138.73s 259.32s
Parameters ~400B total (~17B active) 744B total (40B active)
Availability Closed Open source

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.

#193 GPT 5.3 Chat

default
Cost
$0.008
Time
8.1s
Tokens
634 tok

#198 GLM 5.2

none
Cost
$0.033
Time
87.7s
Tokens
7,455 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
GPT 5.3 Chat 5.6 4.7 55.6% 2 10.52s 7,302 808 5,824
GLM 5.2 3.7 9.5 0.0% 0 7.55s 7,263 1,958 0

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