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

The average score is effectively tied at 8.0 vs 8.0. GPT-5.2 Chat has the lower benchmark cost at $0.604 vs $0.929. GPT-5.2 Chat is faster at 7.65s vs 62.65s, with pass rates of 74.2% vs 71.2%.

Recommended modelGPT-5.2 ChatIt has the best score here (8.0), while costing about 1.5x less than GLM 5.2 (high).

Last updated at: 2026-07-17

Metric	GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11	GLM 5.2 GLM 5.2 high Release: 2026-06-17

Metric	GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11	GLM 5.2 GLM 5.2 high Release: 2026-06-17
Score	8.0	8.0
Rank	#29	#30
Reliability	10.0	10.0
Consistency	8.6	8.6
Tests Correct
Attempt pass rate	74.2%	71.2%
Flaky tests	4	3
Total Runs	66	66
Cost per result	4.308	5.873
Total Cost	$0.604	$0.929
Input Price	$1.750 / 1M	$0.919 / 1M
Output Price	$14.000 / 1M	$2.887 / 1M
Total Input Tokens	101,248	83,813
Output Tokens	30,424	69,688
Reasoning Tokens	0	225,659
Response Time (avg)	7.65s	62.65s
Response Time (max)	38.52s	599.43s
Response Time (total)	168.39s	1378.34s

Hamster playing table tennis

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

#29 GPT-5.2 Chat

none

Cost: $0.010
Time: 15.3s
Tokens: 797 tok

#30 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 Chat	8.7	7.9	91.7%	1		3.40s	606	1,807	0
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 Chat	8.8	7.8	88.9%	1		9.82s	7,305	6,731	0
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 Chat	7.3	5.8	83.3%	1		13.91s	78,055	7,923	0
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 Chat	10.0	10.0	100.0%	0		3.05s	7,140	980	0
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 Chat	5.3	10.0	33.3%	0		17.78s	723	7,810	0
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 Chat	4.4	3.0	33.3%	1		3.20s	477	335	0
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 Chat	9.8	10.0	100.0%	0		5.51s	660	1,441	0
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 Chat	7.7	10.0	66.7%	0		4.10s	642	1,603	0
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 Chat	10.0	10.0	100.0%	0		4.68s	5,445	555	0
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 Chat	3.0	10.0	0.0%	0		6.89s	195	1,239	0
GLM 5.2	3.0	10.0	0.0%	0		127.82s	138	0	18,764

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