AI BENCHY Compare

OpenAI: GPT-5.6 Terra vs Z.ai: GLM 5.2

Summary

GPT-5.6 Terra (high) vs GLM 5.2 (medium) benchmark comparison: GLM 5.2 (medium) leads on average score with 8.7 vs 8.2. GLM 5.2 (medium) has the lower benchmark cost at $0.129 vs $0.852. GPT-5.6 Terra (high) is faster at 10.89s vs 23.28s, with pass rates of 68.3% vs 84.1%.

Recommended model: GLM 5.2 (medium) - It has the best score here (8.7), while costing about 6.6x less than GPT-5.6 Terra (high).

Last updated at: 2026-07-09

Metric	GPT-5.6 Terra GPT-5.6 Terra high Release: 2026-07-09	GLM 5.2 GLM 5.2 medium Release: 2026-06-17

Metric	GPT-5.6 Terra GPT-5.6 Terra high Release: 2026-07-09	GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score	8.2	8.7
Rank	#29	#17
Reliability	10.0	9.5
Consistency	9.6	8.4
Tests Correct
Attempt pass rate	68.3%	84.1%
Flaky tests	1	4
Total Runs	63	63
Cost per result	6.086	2.159
Total Cost	$0.852	$0.129
Input Price	$2.500 / 1M	$0.540 / 1M
Output Price	$15.000 / 1M	$1.760 / 1M
Total Input Tokens	34,218	37,199
Output Tokens	1,908	12,261
Reasoning Tokens	49,189	49,500
Response Time (avg)	10.89s	23.28s
Response Time (max)	91.49s	101.36s
Response Time (total)	228.65s	488.94s

Generation showcase

Hamster playing table tennis

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

#29 GPT-5.6 Terra

high

Cost: $0.055
Time: 30.2s
Tokens: 3,748 tok

#17 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

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	8.3	10.0	75.0%	0		2.54s	606	158	700
GLM 5.2	10.0	10.0	100.0%	0		5.89s	639	497	2,634

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	7.6	7.2	77.8%	1		9.14s	7,302	370	6,087
GLM 5.2	8.2	7.2	88.9%	1		40.96s	7,317	1,475	17,123

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	10.0	10.0	100.0%	0		6.94s	11,019	314	627
GLM 5.2	10.0	10.0	100.0%	0		51.96s	12,696	458	4,531

Data parsing and extraction	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	10.0	10.0	100.0%	0		938ms	7,140	222	0
GLM 5.2	10.0	10.0	100.0%	0		13.44s	7,149	348	2,345

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	5.3	10.0	33.3%	0		43.44s	723	70	32,942
GLM 5.2	4.1	4.4	44.5%	2		45.47s	551	8,188	11,606

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	5.1	10.0	0.0%	0		3.03s	477	113	216
GLM 5.2	10.0	10.0	100.0%	0		17.39s	498	54	1,842

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	10.0	10.0	100.0%	0		2.14s	660	96	319
GLM 5.2	9.9	10.0	100.0%	0		7.90s	678	94	1,518

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	7.7	10.0	66.7%	0		5.45s	642	277	2,613
GLM 5.2	8.2	7.2	88.9%	1		13.13s	672	536	4,822

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	10.0	10.0	100.0%	0		4.97s	5,454	258	168
GLM 5.2	10.0	10.0	100.0%	0		20.41s	6,861	230	550

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Terra	3.0	10.0	0.0%	0		23.30s	195	30	5,517
GLM 5.2	3.0	10.0	0.0%	0		34.25s	138	381	2,529

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