Z.ai: GLM 5.1

z-ai/glm-5.1

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...

Prompt $/1M

$0.966

Completion $/1M

$3.036

Context

202,752 tok

Best provider

88 tok/s · Artificial Analysis

Specs

Model id: z-ai/glm-5.1
Display name: Z.ai: GLM 5.1
Modality: text->text
Tokenizer: Other
Instruct type: —
Context length: 202,752
Max completion: 128,000
Prompt $/1M: $0.966
Completion $/1M: $3.036
Free tier: no

Capabilities

Function callingno
JSON modeno
System promptno
Visionno
Moderatedno

Benchmark scores

Each axis is one benchmark, normalized to the best model in the field.

No benchmark data for this model.

Speed by provider

Provider	tok/s	TTFT	Total latency
Artificial Analysis	88	854 ms	—
Parasailfastest	84	649 ms	760 ms
BaseTen	81	622 ms	837 ms
DeepInfra	79	713 ms	847 ms
Friendli	75	321 ms	433 ms
Crusoe	73	569 ms	712 ms
Venice	68	1,583 ms	1,915 ms
Wafer	61	4,776 ms	4,982 ms
GMICloud	59	2,914 ms	3,476 ms
Io Net	54	1,484 ms	1,782 ms
Fireworks	53	1,490 ms	1,721 ms
SiliconFlow	50	1,145 ms	1,454 ms
Novita	44	2,441 ms	2,709 ms
Phala	43	1,914 ms	2,110 ms
Baidu	42	1,043 ms	1,253 ms
AtlasCloud	40	1,568 ms	1,827 ms
StreamLake	30	1,976 ms	2,377 ms
Z.AI	29	4,802 ms	5,507 ms
Chutes	28	3,716 ms	6,619 ms
Nebius	27	577 ms	759 ms
Morph	25	2,336 ms	5,226 ms
Together	24	1,512 ms	3,202 ms
Ambient	19	6,004 ms	7,320 ms
Inceptron	19	997 ms	1,356 ms
Ionstream	15	2,298 ms	4,044 ms
DigitalOcean	15	4,052 ms	6,315 ms