GPT-5.6 Luna (medium) vs GLM 5.3 FlashX (high)

Compared models

Recommended model GPT-5.6 Luna (medium)

It has the best score here (7.4), while costing about 2.1x less than GLM 5.3 FlashX (high).

Metric	GPT-5.6 Luna GPT-5.6 Luna medium Release: 2026-07-09	GLM 5.3 FlashX GLM 5.3 FlashX high Release: 2026-09-21

Metric	GPT-5.6 Luna GPT-5.6 Luna medium Release: 2026-07-09	GLM 5.3 FlashX GLM 5.3 FlashX high Release: 2026-09-21
Score	7.4	7.4
Rank	#122	#126
Reliability	10.0	10.0
Consistency	9.0	8.2
Attempts	69/69	69/69
Tests Correct
Attempt pass rate	62.3%	69.6%
Flaky tests	3	5
Total Runs	69	69
Cost per result	2.822	1.612
Total Cost	$0.101	$0.210
Input Price	$0.200 / 1M	$0.370 / 1M
Output Price	$1.200 / 1M	$1.250 / 1M
Total Input Tokens	212,780	235,914
Output Tokens	6,849	8,147
Reasoning Tokens	41,137	89,581
Response Time (avg)	9.64s	14.94s
Response Time (max)	58.09s	91.16s
Response Time (total)	221.62s	343.65s
Parameters	~400B total (~17B active)	320B total (18B active)
Availability	Closed	Closed

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

medium

high

Category:

Agentic	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	7.4	3.8	66.7%	1		58.09s	123,095	1,148	2,313
GLM 5.3 FlashX	10.0	10.0	100.0%	0		78.03s	154,549	1,326	12,503

Anti-AI Tricks	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	8.3	10.0	75.0%	0		2.52s	606	160	987
GLM 5.3 FlashX	8.2	7.9	83.3%	1		1.98s	639	425	606

Coding	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	5.4	7.2	44.4%	1		10.38s	7,302	564	9,928
GLM 5.3 FlashX	8.2	7.2	88.9%	1		8.06s	7,317	374	9,267

Combined	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	10.0	10.0	100.0%	0		14.59s	66,477	3,926	4,594
GLM 5.3 FlashX	3.0	10.0	0.0%	0		27.73s	56,585	4,123	15,563

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 Luna	10.0	10.0	100.0%	0		1.95s	7,140	234	324
GLM 5.3 FlashX	7.3	5.8	83.3%	1		1.82s	7,149	298	285

Domain specific	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	2.9	7.2	11.1%	1		18.45s	732	70	17,375
GLM 5.3 FlashX	3.6	7.2	22.2%	1		50.04s	759	506	48,992

General Intelligence	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	5.1	10.0	0.0%	0		4.34s	477	112	496
GLM 5.3 FlashX	6.1	3.1	66.7%	1		2.28s	498	169	229

Instructions following	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	9.9	10.0	100.0%	0		2.38s	660	95	393
GLM 5.3 FlashX	10.0	10.0	100.0%	0		1.72s	678	72	177

Puzzle Solving	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	7.8	10.0	66.7%	0		4.04s	642	255	2,104
GLM 5.3 FlashX	10.0	10.0	100.0%	0		2.06s	672	462	434

Tool Calling	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	10.0	10.0	100.0%	0		6.02s	5,454	256	244
GLM 5.3 FlashX	10.0	10.0	100.0%	0		7.09s	6,861	231	84

Trivia	Score	Consistency	Attempt pass rate	Flaky tests	Tests Correct	Response Time (avg)	Input Tokens	Output Tokens	Reasoning Tokens
GPT-5.6 Luna	3.0	10.0	0.0%	0		6.64s	195	29	2,379
GLM 5.3 FlashX	3.0	10.0	0.0%	0		5.34s	207	161	1,441

Switch Comparison Pair