Catalog Changes · 2026-10-13 03:21:03.145701

Z.ai: GLM 5.1 · 2026-10-13 03:21:03.145701 UTC

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OpenRouter

First recorded baseline; no earlier history is available.

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Z.ai: GLM 5.1

z-ai/glm-5.1

OpenRouter Catalog Changes

Last Observed: 2026-10-13 12:00:58.866484 UTC

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...

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Architecture And Modalities · 3

Architecture · Instruct Type API Details /architecture/instruct_type Explicit Null	Explicit Null
Architecture · Modality API Details /architecture/modality text->text	text->text
Architecture · Tokenizer API Details /architecture/tokenizer Other	Other

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index 23.9	23.9
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 55.8	55.8
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 26.1	26.1

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug z-ai/glm-5.1-20260406	z-ai/glm-5.1-20260406
Context Tokens API Details /context_length 204800	204,800
Created API Details /created 1775578025	2026-04-07 16:07:05 UTC
Description API Details /description 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...	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...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id zai-org/GLM-5.1	zai-org/GLM-5.1
Id API Details /id z-ai/glm-5.1	z-ai/glm-5.1
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/z-ai/glm-5.1-20260406/endpoints	/api/v1/models/z-ai/glm-5.1-20260406/endpoints
Name API Details /name Z.ai: GLM 5.1	Z.ai: GLM 5.1
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 6

Default Parameters · Frequency Penalty API Details /default_parameters/frequency_penalty Explicit Null	Explicit Null
Default Parameters · Presence Penalty API Details /default_parameters/presence_penalty Explicit Null	Explicit Null
Default Parameters · Repetition Penalty API Details /default_parameters/repetition_penalty Explicit Null	Explicit Null
Default Parameters · Temperature API Details /default_parameters/temperature 1	1
Default Parameters · Top K API Details /default_parameters/top_k Explicit Null	Explicit Null
Default Parameters · Top P API Details /default_parameters/top_p 0.95	0.95

Request Limits · 1

Per Request Limits API Details /per_request_limits Explicit Null	Explicit Null

Pricing · 3

Output Price · USD/Token API Details /pricing/completion 0.000003036	0.000003036
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000001794	0.0000001794
Input Price · USD/Token API Details /pricing/prompt 0.000000966	0.000000966

Reasoning · 2

Reasoning · Default Enabled API Details /reasoning/default_enabled True	True
Reasoning · Mandatory API Details /reasoning/mandatory False	False

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 200000	200,000
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 128000	128,000

API Structure And Container Types

Architecture API Details /architecture Object · See Fields	Object · See Fields
Architecture · Input Modalities API Details /architecture/input_modalities Array · See Items	Array · See Items
Architecture · Output Modalities API Details /architecture/output_modalities Array · See Items	Array · See Items
Benchmarks API Details /benchmarks Object · See Fields	Object · See Fields
Benchmarks · Artificial Analysis API Details /benchmarks/artificial_analysis Object · See Fields	Object · See Fields
Benchmarks · Design Arena API Details /benchmarks/design_arena Array · See Items	Array · See Items
Default Parameters API Details /default_parameters Object · See Fields	Object · See Fields
Links API Details /links Object · See Fields	Object · See Fields
Pricing API Details /pricing Object · See Fields	Object · See Fields
Reasoning API Details /reasoning Object · See Fields	Object · See Fields
Supported Parameters API Details /supported_parameters Array · See Items	Array · See Items
Top Provider API Details /top_provider Object · See Fields	Object · See Fields

Architecture · Input Modalities

1 items · source order preserved

text

API Details

Item	/architecture/input_modalities/*
1	text

Architecture · Output Modalities

1 items · source order preserved

text

API Details

Item	/architecture/output_modalities/*
1	text

Supported Parameters

19 items · source order preserved

frequency_penalty
include_reasoning
logit_bias
logprobs
max_tokens
min_p
presence_penalty
reasoning
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_logprobs
top_p

API Details

Item	/supported_parameters/*
1	frequency_penalty
2	include_reasoning
3	logit_bias
4	logprobs
5	max_tokens
6	min_p
7	presence_penalty
8	reasoning
9	repetition_penalty
10	response_format
11	seed
12	stop
13	structured_outputs
14	temperature
15	tool_choice
16	tools
17	top_k
18	top_logprobs
19	top_p

Benchmarks · Design Arena

21 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1336	9	62.6
2	models	asciiart	1145	45	44.9
3	models	codecategories	1271	27	53.2
4	models	dataviz	1366	3	67
5	models	gamedev	1268	28	55.3
6	models	svg	1218	19	55.6
7	models	uicomponent	1292	21	54.9
8	models	website	1290	18	55.1
9	agents	agenticgamedev	1165	17	49.8
10	agents	agentichtmlslides	1205	5	52
11	agents	agenticslides	1245	2	54.4
12	agents	agenticslides(html)	1204	5	51.8
13	agents	agenticslides(python-pptx)	1240	3	53.3
14	agents	androidnative	1194	15	52
15	agents	fullstack	1168	23	53.2
16	agents	godotgamedev	1053	34	37.8
17	agents	htmlslides	1169	14	48.8
18	agents	mobileapps	1158	24	50.6
19	agents	pptxslides	1241	3	53.5
20	agents	python-pptxslides	1258	6	54.2
21	agents	webapps	1168	26	50.7

API Details

Item	/benchmarks/design_arena/*/arena	/benchmarks/design_arena/*/category	/benchmarks/design_arena/*/elo	/benchmarks/design_arena/*/rank	/benchmarks/design_arena/*/win_rate
1	models	3d	1336	9	62.6
2	models	asciiart	1145	45	44.9
3	models	codecategories	1271	27	53.2
4	models	dataviz	1366	3	67
5	models	gamedev	1268	28	55.3
6	models	svg	1218	19	55.6
7	models	uicomponent	1292	21	54.9
8	models	website	1290	18	55.1
9	agents	agenticgamedev	1165	17	49.8
10	agents	agentichtmlslides	1205	5	52
11	agents	agenticslides	1245	2	54.4
12	agents	agenticslides(html)	1204	5	51.8
13	agents	agenticslides(python-pptx)	1240	3	53.3
14	agents	androidnative	1194	15	52
15	agents	fullstack	1168	23	53.2
16	agents	godotgamedev	1053	34	37.8
17	agents	htmlslides	1169	14	48.8
18	agents	mobileapps	1158	24	50.6
19	agents	pptxslides	1241	3	53.5
20	agents	python-pptxslides	1258	6	54.2
21	agents	webapps	1168	26	50.7