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

GPT-5.2 (medium) leads on average score with 8.4 vs 8.0. GLM 5.2 (high) has the lower benchmark cost at $0.296 vs $0.951. GPT-5.2 (medium) is faster at 22.62s vs 62.65s, with pass rates of 72.7% vs 71.2%.

Recommended modelGPT-5.2 (medium)It has the best score here (8.4), while responding about 2.8x faster than GLM 5.2 (high).

Last updated at: 2026-07-18

Metric	GPT-5.2 GPT-5.2 medium Release: 2025-12-11	GLM 5.2 GLM 5.2 high Release: 2026-06-17

Metric	GPT-5.2 GPT-5.2 medium Release: 2025-12-11	GLM 5.2 GLM 5.2 high Release: 2026-06-17
Score	8.4	8.0
Rank	#21	#31
Reliability	10.0	10.0
Consistency	8.5	8.6
Tests Correct
Attempt pass rate	72.7%	71.2%
Flaky tests	4	3
Total Runs	66	66
Cost per result	6.791	5.873
Total Cost	$0.951	$0.296
Input Price	$1.750 / 1M	$0.293 / 1M
Output Price	$14.000 / 1M	$0.920 / 1M
Total Input Tokens	105,004	83,813
Output Tokens	9,914	69,688
Reasoning Tokens	44,868	225,659
Response Time (avg)	22.62s	62.65s
Response Time (max)	102.93s	599.43s
Response Time (total)	339.28s	1378.34s

Hamster playing table tennis

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

#21 GPT-5.2

medium

Cost: $0.047
Time: 49.2s
Tokens: 3,396 tok

#31 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

Category:

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.2	6.5	8.0	58.3%	1		7.81s	606	567	2,002
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-5.2	10.0	10.0	100.0%	0		22.73s	7,302	511	11,912
GLM 5.2	6.4	8.6	33.3%	0		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-5.2	10.0	10.0	100.0%	0		58.50s	82,056	7,304	14,693
GLM 5.2	10.0	10.0	100.0%	0		321.47s	61,516	18,824	63,861

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.2	10.0	10.0	100.0%	0		3.15s	7,140	234	420
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-5.2	5.9	7.2	55.6%	1		77.80s	473	42	10,342
GLM 5.2	3.7	6.5	22.2%	1		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-5.2	3.7	9.7	0.0%	0		4.32s	477	162	269
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-5.2	9.9	10.0	100.0%	0		3.12s	660	94	614
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-5.2	7.5	7.3	77.8%	1		5.80s	642	735	924
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-5.2	4.7	1.6	66.7%	1		10.30s	5,453	239	469
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-5.2	3.0	10.0	0.0%	0		28.18s	195	26	3,223
GLM 5.2	3.0	10.0	0.0%	0		127.82s	138	0	18,764

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