Catalog Changes · 2026-10-15 00:04:04.306662

Z.ai: GLM 5.3 · 2026-10-15 00:04:04.306662 UTC

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2 Changed Fields

Field / Array Position	Previous Value	Observed Value
Pricing · Input Cache Read	0.000000059	0.000000109
Input Price · USD/Token	0.000000079	0.00000011

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Z.ai: GLM 5.3

z-ai/glm-5.3

OpenRouter Catalog Changes

Last Observed: 2026-10-15 00:04:04.306662 UTC

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

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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 53.1	53.1
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 74.8	74.8
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 44.8	44.8

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug z-ai/glm-5.3-20260816	z-ai/glm-5.3-20260816
Context Tokens API Details /context_length 1048576	1,048,576
Created API Details /created 1787086655	2026-08-18 20:57:35 UTC
Description API Details /description GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...	GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id zai-org/GLM-5.3	zai-org/GLM-5.3
Id API Details /id z-ai/glm-5.3	z-ai/glm-5.3
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/z-ai/glm-5.3-20260816/endpoints	/api/v1/models/z-ai/glm-5.3-20260816/endpoints
Name API Details /name Z.ai: GLM 5.3	Z.ai: GLM 5.3
Supported Voices API Details /supported_voices Explicit Null	Explicit Null

Default Parameters · 2

Default Parameters · Temperature API Details /default_parameters/temperature 1	1
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 0.0000048	0.0000048
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.000000109	0.000000109
Input Price · USD/Token API Details /pricing/prompt 0.00000011	0.00000011

Reasoning · 3

Reasoning · Default Effort API Details /reasoning/default_effort max	max
Reasoning · Default Enabled API Details /reasoning/default_enabled True	True
Reasoning · Mandatory API Details /reasoning/mandatory True	True

Provider Limits · 3

Top Provider · Context Length API Details /top_provider/context_length 1048576	1,048,576
Top Provider · Is Moderated API Details /top_provider/is_moderated False	False
Top Provider · Max Completion Tokens API Details /top_provider/max_completion_tokens 943718	943,718

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
Reasoning · Supported Efforts API Details /reasoning/supported_efforts Array · See Items	Array · See Items
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

21 items · source order preserved

frequency_penalty
include_reasoning
logit_bias
logprobs
max_tokens
min_p
parallel_tool_calls
presence_penalty
reasoning
reasoning_effort
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	parallel_tool_calls
8	presence_penalty
9	reasoning
10	reasoning_effort
11	repetition_penalty
12	response_format
13	seed
14	stop
15	structured_outputs
16	temperature
17	tool_choice
18	tools
19	top_k
20	top_logprobs
21	top_p

Benchmarks · Design Arena

11 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1332	13	59.5
2	models	asciiart	1213	20	47.2
3	models	codecategories	1307	14	54.3
4	models	dataviz	1262	30	51.8
5	models	gamedev	1315	13	52.5
6	models	svg	1294	7	56.7
7	models	uicomponent	1319	14	57.3
8	models	website	1298	15	54.2
9	agents	htmlslides	1189	9	39.1
10	agents	mobileapps	1191	17	52.2
11	agents	python-pptxslides	1255	8	51.2

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	1332	13	59.5
2	models	asciiart	1213	20	47.2
3	models	codecategories	1307	14	54.3
4	models	dataviz	1262	30	51.8
5	models	gamedev	1315	13	52.5
6	models	svg	1294	7	56.7
7	models	uicomponent	1319	14	57.3
8	models	website	1298	15	54.2
9	agents	htmlslides	1189	9	39.1
10	agents	mobileapps	1191	17	52.2
11	agents	python-pptxslides	1255	8	51.2

Reasoning · Supported Efforts

3 items · source order preserved

max
high
low

API Details

Item	/reasoning/supported_efforts/*
1	max
2	high
3	low