Z.ai

GLM-5.3

CTX1M

89Quality

Reasoning · Tools

Input$1.40/M

Output$4.40/M

Flagship GLM model for long-horizon coding, agents, and complex project delivery

Open weightsGLM 5.3 license981/1040

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Z.aiTextUncommon

GLM-5.3

Flagship GLM model for long-horizon coding, agents, and complex project delivery

glm-5.3

Type: Text
Quality: 89 · Top 11% on the Epoch Capabilities Index
Context window: 1,000,000 tokens
Max output: 131,072 tokens
Input price: $1.40 / 1M tokens
Output price: $4.40 / 1M tokens
Cache read: $0.26 / 1M tokens
Cache write: Free
Parameters: 753B (753,329,940,480)
Downloads: 1.8M in the last 30 days
Likes: 2.3K
Access to weights: Open download
Released: Aug 14, 2026
Knowledge cutoff: —
Takes in: Text
Puts out: Text
Reasoning: Yes
Tool calling: Yes
Structured output: Yes
File attachments: No
Access: Open weights
License: GLM 5.3 license
Rarity: Uncommon
Set number: 981/1040

Open Z.ai docs Weights on Hugging Face Quality 89 Where to run it 89 Evolution 7/7 Race it 89 tok/s Meet its creature Battle Seed Evolving

License read from the model’s Hugging Face card. Specs from models.dev, downloads from Hugging Face, last changed Oct 18, 2026. Official source: docs.z.ai.

How good is it?

Public leaderboard scores for GLM-5.3, refreshed daily from Epoch AI and LMArena.

Top 11% of the 277 models on the Epoch Capabilities Index: #30.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Epoch Capabilities Index#30 of 277
One number fitted from dozens of hard benchmarks, from science questions to agentic coding.155.9 index
LMArena Text#27 of 416
People compare two anonymous answers and vote for the better one.1,471 rating
Listed as glm-5.3-max
LMArena Text · Coding#31 of 411
The text arena’s coding prompts only.1,495 rating
Listed as glm-5.3-max
LMArena Text · Math#20 of 400
The text arena’s math prompts only.1,491 rating
Listed as glm-5.3-max
LMArena Text · Creative writing#27 of 414
The text arena’s creative writing prompts only.1,456 rating
Listed as glm-5.3-max
LMArena WebDev#23 of 144
Each model builds a web app from the same prompt; people pick the better one.1,621 rating
Listed as GLM-5.3 (Max)

Benchmarks Epoch AI runs

Scores from Epoch AI and LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

82 providers sell GLM-5.3 through an API, and 7 Hugging Face hosts serve it. Prices are per million tokens, cheapest first.

CheapestNanoGPT$0.60 in · $1.10 out
Free to try12 providersAIHubMix, Alibaba Token Plan, Alibaba Token Plan (China), …
From the labZ.AI$1.40 in · $4.40 out
Fastest on Hugging FaceTogether AI89 tokens/s

API providers

Provider	Input	Output	Context
AIHubMixFree`coding-glm-5.3-free`	Free	Free	1M
Alibaba Token PlanFree`glm-5.3`	Free	Free	1M
Alibaba Token Plan (China)Free`glm-5.3`	Free	Free	1M
KenariFree`glm-5-3`	Free	Free	1M
NaNFree`glm5.3`	Free	Free	1M
NvidiaFree`z-ai/glm-5.3`	Free	Free	1M
SCNet Token PlanFree`GLM-5.3`	Free	Free	1M
TokenRouterFree`z-ai/glm-5.3-free`	Free	Free	1M
Umans AI Coding PlanFree`umans-glm-5.3`	Free	Free	1.05M
Volcengine Ark Coding PlanFree`glm-5.3`	Free	Free	1M

Show 72 more providers

Provider	Input	Output	Context
Z.AI Coding PlanFree`glm-5.3`	Free	Free	1M
Zhipu AI Coding PlanFree`glm-5.3`	Free	Free	1M
NanoGPTCheapest paid`z-ai/glm-5.3`	$0.60	$1.10	1.05M
CrofAI`glm-5.3`	$0.40	$1.40	1M
DevPass (LLM Gateway)`glm-5.3`	$0.50	$2.00	1.05M
LLM Gateway`entrim/glm-5.3`	$0.50	$2.00	1.05M
Merge Gateway`zai/glm-5.3`	$0.70	$2.20	1M
OpenRouter`z-ai/glm-5.3`	$0.079	$2.50	1.05M
Vultr`glm-5.3`	$0.75	$3.00	1.05M
engy`glm-5.3`	$0.98	$3.08	328K
Cortecs`glm-5.3`	$0.87	$3.31	1.05M
IteraCompute`z-ai/glm-5.3`	$0.99	$3.45	1.05M
Melious`glm-5.3`	$1.16	$3.48	1M
AKI.IO`glm5.3-754b`	$1.00	$3.50	524K
Boundless`glm-5.3`	$1.12	$3.52	1.05M
Vancine`glm-5.3`	$1.12	$3.52	1M
Alibaba (China)`glm-5.3`	$1.10	$3.85	1M
Friendli`zai-org/GLM-5.3`	$1.26	$3.96	1.05M
OrcaRouter`z-ai/glm-5.3`	$1.26	$3.96	1M
Deep Infra`zai-org/GLM-5.3`	$0.90	$4.00	1.05M
ai&`zai-org/glm-5.3`	$1.00	$4.00	1.05M
CoreWeave`zai-org/GLM-5.3`	$1.20	$4.00	1.05M
Moark`GLM-5.3`	$1.20	$4.18	1M
Requesty`glm-5.3`	$1.20	$4.20	1.05M
Vivgrid`glm-5.3`	$1.20	$4.20	1M
CoralBricks`glm-5.3-fast`	$1.12	$4.40	1.05M
CrossModel`z-ai/glm-5.3`	$1.20	$4.40	1M
302.AI`glm-5.3`	$1.40	$4.40	1M
Baseten`zai-org/GLM-5.3`	$1.40	$4.40	1.05M
ClinePass`cline-pass/glm-5.3`	$1.40	$4.40	1M
Cloudflare Workers AI`@cf/zai-org/glm-5.3`	$1.40	$4.40	1.05M
CommandCode`zai-org/GLM-5.3`	$1.40	$4.40	1M
DigitalOcean`glm-5.3`	$1.40	$4.40	1.05M
Eden AI`zai/glm-5.3`	$1.40	$4.40	1.05M
EmpirioLabs AI`glm-5-3`	$1.40	$4.40	1M
Fireworks AI`accounts/fireworks/models/glm-5p3`	$1.40	$4.40	1.05M
Inco`glm-5.3`	$1.40	$4.40	1M
Kilo Gateway`z-ai/glm-5.3`	$1.40	$4.40	1.05M
Mistral`zai-glm-5-3`	$1.40	$4.40	1.05M
Nebius Token Factory`zai-org/GLM-5.3`	$1.40	$4.40	1.02M
Neon`glm-5-3`	$1.40	$4.40	1.05M
Novita AI`zai-org/glm-5.3`	$1.40	$4.40	1.05M
Ofox`z-ai/glm-5.3`	$1.40	$4.40	1M
Ollama Cloud`glm-5.3`	$1.40	$4.40	1.05M
OpenCode`glm-5.3`	$1.40	$4.40	1M
OpenCode Go`glm-5.3`	$1.40	$4.40	1M
Prime Inference`z-ai/glm-5.3`	$1.40	$4.40	1.05M
SiliconFlow`zai-org/GLM-5.3`	$1.40	$4.40	1.05M
Standard Compute`z-ai/glm-5.3`	$1.40	$4.40	1M
Synthetic`hf:zai-org/GLM-5.3`	$1.40	$4.40	524K
Tempr Gateway`zai/glm-5.3`	$1.40	$4.40	1M
Together AI`zai-org/GLM-5.3`	$1.40	$4.40	1.05M
TokenGo`z-ai/glm-5.3`	$1.40	$4.40	1M
Umans AI`umans-glm-5.3`	$1.40	$4.40	1.05M
Vercel AI Gateway`zai/glm-5.3`	$1.40	$4.40	1M
Z.AIOfficial`glm-5.3`	$1.40	$4.40	1M
ZenMux`z-ai/glm-5.3`	$1.40	$4.40	1M
Zhipu AI`glm-5.3`	$1.40	$4.40	1M
CloudFerro Sherlock`zai-org/GLM-5.3`	$0.34	$4.48	262K
Neuralwatt`glm-5.3`	$1.45	$4.50	1.05M
TensorX`z-ai/glm-5.3`	$1.75	$4.50	1.05M
Opper`glm-5.3`	$1.75	$4.65	1M
Charm Hyper`glm-5.3`	$1.52	$4.79	1M
GreenPT`glm-5.3`	$1.28	$5.11	1M
Amazon Bedrock`global.zai.glm-5.3`	$1.68	$5.28	1M
Bothub`glm-5.3`	$1.72	$5.41	1M
Venice AI`z-ai-glm-5-3`	$1.75	$5.50	1M
AI/ML API`zhipu/glm-5.3`	$1.82	$5.72	1.02M
Tinfoil`glm-5-3`	$1.80	$5.75	1.05M
Scaleway`glm-5.3`	$2.01	$6.15	256K
Privatemode AI`glm-5.3`	$1.79	$6.63	1M
AgentRouter`glm-5.3`	—	—	1M

Hugging Face Inference Providers

Host	Input	Output	Context	Speed	First token
DeepInfraTools	$0.90	$4.00	1.05M	56 tok/s	0.4s
BasetenTools	$1.40	$4.40	1.05M	88 tok/s	1.0s
NovitaTools	$1.40	$4.40	1.05M	64 tok/s	1.1s
Together AIFastestTools	$1.40	$4.40	1.05M	89 tok/s	0.5s
Featherless	—	—	—	—	—
FireworksTools	—	—	1.05M	48 tok/s	0.6s
Z.aiTools	—	—	—	50 tok/s	2.5s

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

GLM-5.3

GLM-5.3

How good is it?

Leaderboards

Benchmarks Epoch AI runs

Where to run it

API providers

Hugging Face Inference Providers

Face off

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