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GPT-5.5 (low) vs GLM 5.2 (medium)

GPT-5.5 (low) leads on average score with 9.3 vs 7.8. GLM 5.2 (medium) has the lower benchmark cost at $0.224 vs $1.257. GPT-5.5 (low) is faster at 10.15s vs 23.28s, with pass rates of 86.4% vs 80.3%.

Last updated at: 2026-08-20

Rank
#10
Total Output Tokens
28,540
Response Time (avg)
10.15s
Total Cost
$1.257
Rank
#65
Total Output Tokens
61,761
Response Time (avg)
23.28s
Total Cost
$0.224
Recommended model GPT-5.5 (low)

It has the best score here (9.3), while responding about 2.3x faster than GLM 5.2 (medium).

Detailed comparison

Metric GPT-5.5 GPT-5.5 low Release: 2026-04-24 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 9.3 7.8
Rank #10 #65
Reliability 10.0 9.5
Consistency 10.0 8.0
Attempts 66/66 63/66
Tests Correct
Attempt pass rate 86.4% 80.3%
Flaky tests 0 4
Total Runs 66 63
Cost per result 6.614 2.159
Total Cost $1.257 $0.224
Input Price $5.000 / 1M $0.966 / 1M
Output Price $30.000 / 1M $3.036 / 1M
Total Input Tokens 80,067 37,199
Output Tokens 5,378 12,261
Reasoning Tokens 23,162 49,500
Response Time (avg) 10.15s 23.28s
Response Time (max) 56.19s 101.36s
Response Time (total) 223.24s 488.94s
Parameters ~1.5T total (~100B 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.

#10 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 tok

#65 GLM 5.2

medium
Cost
$0.041
Time
195.8s
Tokens
9,287 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-5.5 10.0 10.0 100.0% 0 15.04s 7,302 423 6,402
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123

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