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GPT 5.3 Chat vs GLM 5 (medium)

GLM 5 (medium) leads on average score with 7.7 vs 7.5. GLM 5 (medium) has the lower benchmark cost at $0.228 vs $0.533. GPT 5.3 Chat is faster at 6.56s vs 33.54s, with pass rates of 65.2% vs 78.8%.

Last updated at: 2026-08-20

Rank
#85
Total Output Tokens
28,179
Response Time (avg)
6.56s
Total Cost
$0.533
Rank
#72
Total Output Tokens
124,566
Response Time (avg)
33.54s
Total Cost
$0.228
Recommended model GLM 5 (medium)

It has the best score here (7.7), while costing about 2.3x less than GPT 5.3 Chat.

Detailed comparison

Metric GPT 5.3 Chat GPT 5.3 Chat none Release: 2026-03-03 GLM 5 GLM 5 medium Release: 2026-02-12
Score 7.5 7.7
Rank #85 #72
Reliability 10.0 10.0
Consistency 8.6 8.1
Attempts 66/66 63/66
Tests Correct
Attempt pass rate 65.2% 78.8%
Flaky tests 4 4
Total Runs 66 63
Cost per result 4.097 1.668
Total Cost $0.533 $0.228
Input Price $1.750 / 1M $0.600 / 1M
Output Price $14.000 / 1M $1.920 / 1M
Total Input Tokens 78,846 35,224
Output Tokens 28,179 21,570
Reasoning Tokens 0 102,996
Response Time (avg) 6.56s 33.54s
Response Time (max) 18.33s 99.85s
Response Time (total) 137.77s 435.99s
Parameters ~400B total (~17B active) 744B total (40B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#85 GPT 5.3 Chat

none
Cost
$0.008
Time
8.1s
Tokens
634 tok

#72 GLM 5

medium
Cost
$0.005
Time
20.7s
Tokens
2,068 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 6,632 0
GLM 5 10.0 10.0 100.0% 0 74.30s 7,254 2,997 52,930

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