OpenAI: GPT-5.2 Chat vs Z.ai: GLM 5

GPT-5.2 Chat leads on average score with 8.0 vs 7.7. GLM 5 (medium) has the lower benchmark cost at $0.307 vs $0.604. GPT-5.2 Chat is faster at 7.65s vs 33.54s, with pass rates of 74.2% vs 78.8%.

Recommended modelGPT-5.2 ChatIt has the best score here (8.0), while responding about 4.4x faster than GLM 5 (medium).

Last updated at: 2026-07-25

Metric	GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11	GLM 5 GLM 5 medium Release: 2026-02-12

Metric	GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11	GLM 5 GLM 5 medium Release: 2026-02-12
Score	8.0	7.7
Rank	#37	#49
Reliability	10.0	10.0
Consistency	8.6	8.1
Tests Correct
Attempt pass rate	74.2%	78.8%
Flaky tests	4	4
Total Runs	66	63
Cost per result	4.308	1.668
Total Cost	$0.604	$0.307
Input Price	$1.750 / 1M	$0.950 / 1M
Output Price	$14.000 / 1M	$2.551 / 1M
Total Input Tokens	101,248	35,224
Output Tokens	30,424	21,570
Reasoning Tokens	0	102,996
Response Time (avg)	7.65s	33.54s
Response Time (max)	38.52s	99.85s
Response Time (total)	168.39s	435.99s

Hamster playing table tennis

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

#37 GPT-5.2 Chat

none

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

#49 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

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	10.0	10.0	100.0%	0		23.66s	555	480	7,056

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	10.0	10.0	100.0%	0		74.30s	7,254	2,997	52,930

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	5.0	5.0	50.0%	0		28.96s	12,804	662	3,242

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	7.1	5.6	83.3%	1		8.90s	5,508	567	3,734

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	3.5	4.4	33.3%	2		0ms	260	13,176	14,137

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	6.1	3.1	66.7%	1		14.69s	477	2,020	2,248

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	10.0	10.0	100.0%	0		7.25s	636	1,001	2,129

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	10.0	10.0	100.0%	0		11.33s	609	33	4,076

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	10.0	10.0	100.0%	0		15.93s	6,935	233	994

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	3.0	10.0	0.0%	0		67.37s	186	401	12,450

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