OpenAI: GPT-5.6 Terra vs Z.ai: GLM 5

GPT-5.6 Terra (medium) leads on average score with 7.8 vs 7.7. GLM 5 (medium) has the lower benchmark cost at $0.307 vs $0.676. GPT-5.6 Terra (medium) is faster at 7.11s vs 33.54s, with pass rates of 69.7% vs 78.8%.

Recommended modelGPT-5.6 Terra (medium)It has the best score here (7.8), while responding about 4.7x faster than GLM 5 (medium).

Last updated at: 2026-07-25

Metric	GPT-5.6 Terra GPT-5.6 Terra medium Release: 2026-07-09	GLM 5 GLM 5 medium Release: 2026-02-12

Metric	GPT-5.6 Terra GPT-5.6 Terra medium Release: 2026-07-09	GLM 5 GLM 5 medium Release: 2026-02-12
Score	7.8	7.7
Rank	#46	#49
Reliability	10.0	10.0
Consistency	9.3	8.1
Tests Correct
Attempt pass rate	69.7%	78.8%
Flaky tests	2	4
Total Runs	66	63
Cost per result	4.825	1.668
Total Cost	$0.676	$0.307
Input Price	$2.500 / 1M	$0.950 / 1M
Output Price	$15.000 / 1M	$2.551 / 1M
Total Input Tokens	79,175	35,224
Output Tokens	4,878	21,570
Reasoning Tokens	26,952	102,996
Response Time (avg)	7.11s	33.54s
Response Time (max)	41.68s	99.85s
Response Time (total)	156.42s	435.99s

Hamster playing table tennis

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

#46 GPT-5.6 Terra

medium

Cost: $0.035
Time: 16.3s
Tokens: 2,418 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-5.6 Terra	8.3	10.0	75.0%	0		2.22s	606	172	657
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-5.6 Terra	6.1	7.2	55.6%	1		7.19s	7,302	427	4,527
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-5.6 Terra	10.0	10.0	100.0%	0		11.10s	55,976	3,212	2,122
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-5.6 Terra	10.0	10.0	100.0%	0		872ms	7,140	222	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-5.6 Terra	5.3	10.0	33.3%	0		23.45s	723	70	15,327
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-5.6 Terra	5.5	10.0	0.0%	0		2.37s	477	133	144
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-5.6 Terra	10.0	10.0	100.0%	0		1.43s	660	89	261
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-5.6 Terra	8.4	7.4	88.9%	1		3.78s	642	272	1,462
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-5.6 Terra	10.0	10.0	100.0%	0		5.09s	5,454	254	246
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-5.6 Terra	3.0	10.0	0.0%	0		10.05s	195	27	2,206
GLM 5	3.0	10.0	0.0%	0		67.37s	186	401	12,450

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