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OpenAI: GPT-5.4 Mini vs Z.ai: GLM 5.2

Summary

GPT-5.4 Mini (medium) vs GLM 5.2 (high) benchmark comparison: The average score is effectively tied at 8.0 vs 8.0. GPT-5.4 Mini (medium) has the lower benchmark cost at $0.526 vs $0.554. GPT-5.4 Mini (medium) is faster at 22.34s vs 37.09s, with pass rates of 73.0% vs 77.8%.

Recommended model: GPT-5.4 Mini (medium) - It has the best score here (8.0), while responding about 1.7x faster than GLM 5.2 (high).

Last updated at: 2026-07-10

Metric GPT-5.4 Mini GPT-5.4 Mini medium Release: 2026-03-17 GLM 5.2 GLM 5.2 high Release: 2026-06-17
Score 8.0 8.0
Rank #33 #32
Reliability 10.0 9.3
Consistency 8.0 7.6
Tests Correct
Attempt pass rate 73.0% 77.8%
Flaky tests 5 6
Total Runs 63 63
Cost per result 4.381 4.255
Total Cost $0.526 $0.554
Input Price $0.750 / 1M $0.770 / 1M
Output Price $4.500 / 1M $2.420 / 1M
Total Input Tokens 34,116 34,993
Output Tokens 2,181 51,575
Reasoning Tokens 108,937 166,065
Response Time (avg) 22.34s 37.09s
Response Time (max) 138.75s 180.69s
Response Time (total) 469.20s 778.91s

Generation showcase

Hamster playing table tennis

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

#33 GPT-5.4 Mini

medium
Cost
$0.056
Time
95.5s
Tokens
12,464 tok

#32 GLM 5.2

high
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 8.6 7.9 91.7% 1 4.05s 606 296 2,876
GLM 5.2 10.0 10.0 100.0% 0 5.80s 639 406 2,660
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 8.4 7.4 88.9% 1 57.87s 7,305 467 40,902
GLM 5.2 6.4 4.4 77.8% 2 73.03s 5,124 2,302 22,546
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 10.0 10.0 100.0% 0 17.81s 11,019 317 4,317
GLM 5.2 10.0 10.0 100.0% 0 43.51s 12,696 711 4,267
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 10.0 10.0 100.0% 0 2.43s 7,140 234 650
GLM 5.2 10.0 10.0 100.0% 0 5.81s 7,143 435 1,414
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 4.1 4.4 44.5% 2 65.31s 619 60 43,286
GLM 5.2 3.5 4.4 33.3% 2 73.97s 551 46,693 90,566
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 4.5 10.0 0.0% 0 3.72s 477 150 510
GLM 5.2 10.0 10.0 100.0% 0 12.90s 498 63 1,743
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 9.8 10.0 100.0% 0 2.13s 660 96 1,185
GLM 5.2 10.0 10.0 100.0% 0 4.26s 678 151 1,210
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 7.8 10.0 66.7% 0 4.37s 642 278 2,443
GLM 5.2 6.0 4.6 66.7% 2 33.71s 665 568 22,392
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 4.7 1.6 66.7% 1 9.62s 5,453 251 2,594
GLM 5.2 10.0 10.0 100.0% 0 9.25s 6,861 246 503
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.0 10.0 0.0% 0 30.10s 195 32 10,174
GLM 5.2 3.0 10.0 0.0% 0 127.82s 138 0 18,764

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