Catalog Changes · 2026-10-13 18:02:17.555203

Z.ai: GLM 5.3 Flash · 2026-10-13 18:02:17.555203 UTC

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11 Changed Fields

Field / Array Position	Previous Value	Observed Value
Benchmarks · Design Arena[0] · Elo	1319	1318
Benchmarks · Design Arena[0] · Rank	14	15
Benchmarks · Design Arena[1] · Elo	1268	1267
Benchmarks · Design Arena[1] · Win Rate	55	54.9
Benchmarks · Design Arena[2] · Rank	19	20
Benchmarks · Design Arena[3] · Win Rate	50.3	50.4
Benchmarks · Design Arena[4] · Elo	1287	1286
Benchmarks · Design Arena[4] · Rank	20	21
Benchmarks · Design Arena[6] · Elo	1323	1322
Benchmarks · Design Arena[6] · Rank	11	12
Benchmarks · Design Arena[6] · Win Rate	54.9	55

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Z.ai: GLM 5.3 Flash

z-ai/glm-5.3-flash

OpenRouter Catalog Changes

Last Observed: 2026-10-13 18:02:17.555203 UTC

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

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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+image+video->text	text+image+video->text
Architecture · Tokenizer API Details /architecture/tokenizer Other	Other

Benchmarks · 3

Benchmarks · Artificial Analysis · Agentic Index API Details /benchmarks/artificial_analysis/agentic_index 50.9	50.9
Benchmarks · Artificial Analysis · Coding Index API Details /benchmarks/artificial_analysis/coding_index 71.5	71.5
Benchmarks · Artificial Analysis · Intelligence Index API Details /benchmarks/artificial_analysis/intelligence_index 41.8	41.8

Catalog Identity And Metadata · 11

Canonical Slug API Details /canonical_slug z-ai/glm-5.3-flash-20260826	z-ai/glm-5.3-flash-20260826
Context Tokens API Details /context_length 1048576	1,048,576
Created API Details /created 1787752741	2026-08-26 13:59:01 UTC
Description API Details /description GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...	GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...
Expiration Date API Details /expiration_date Explicit Null	Explicit Null
Hugging Face Id API Details /hugging_face_id zai-org/GLM-5.3-Flash	zai-org/GLM-5.3-Flash
Id API Details /id z-ai/glm-5.3-flash	z-ai/glm-5.3-flash
Knowledge Cutoff API Details /knowledge_cutoff Explicit Null	Explicit Null
Links · Details API Details /links/details /api/v1/models/z-ai/glm-5.3-flash-20260826/endpoints	/api/v1/models/z-ai/glm-5.3-flash-20260826/endpoints
Name API Details /name Z.ai: GLM 5.3 Flash	Z.ai: GLM 5.3 Flash
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 0.0000009	0.0000009
Pricing · Input Cache Read API Details /pricing/input_cache_read 0.0000000108	0.0000000108
Input Price · USD/Token API Details /pricing/prompt 0.0000000261	0.0000000261

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

3 items · source order preserved

text
image
video

API Details

Item	/architecture/input_modalities/*
1	text
2	image
3	video

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

8 items · source order preserved

Item	Arena	Category	Elo	Rank	Win Rate
1	models	3d	1318	15	56.4
2	models	asciiart	1267	11	54.9
3	models	codecategories	1286	20	49.4
4	models	dataviz	1264	28	50.4
5	models	gamedev	1286	21	47.3
6	models	svg	1288	10	57
7	models	uicomponent	1322	12	55
8	models	website	1275	25	48.5

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	1318	15	56.4
2	models	asciiart	1267	11	54.9
3	models	codecategories	1286	20	49.4
4	models	dataviz	1264	28	50.4
5	models	gamedev	1286	21	47.3
6	models	svg	1288	10	57
7	models	uicomponent	1322	12	55
8	models	website	1275	25	48.5

Reasoning · Supported Efforts

3 items · source order preserved

max
high
low

API Details

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