Zhipu AI (Z.ai) · Open weights

GLM-5.3

Name: GLM-5.3
Author: Zhipu AI (Z.ai)

Weights are free to download and run locally or on your own servers – no per-call fees; licence terms apply.

Open weights Available 🛠 Tool calling 1M 🕒 Verified on 2026-10-10

Note: Licence is tagged “other” on Hugging Face – read the model card before commercial use.

Free conditions

Free conditions: Weights are free to download and run locally or on your own servers – no per-call fees; licence terms apply.
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Sign-up / login: Not required
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Data use: When self-hosted, your data stays on your machine.

ⓘ Free to download; running it needs your own hardware or a paid host.

Specs

Provider: Zhipu AI (Z.ai)
Platform: Hugging Face
Type: Open weights
Modalities: Text
Parameters: ≈753B (from weight files)
Context length: 1M (1,048,576 tokens)
License: other
Tool calling: Yes
Released: 2026-08-25

How to access

Hugging Face: https://huggingface.co/zai-org/GLM-5.3

Official sources

Hugging Face – zai-org/GLM-5.3 https://huggingface.co/zai-org/GLM-5.3
OpenRouter models API（工具调用字段 / tool-calling field） https://openrouter.ai/api/v1/models

🕒 Verified on 2026-10-10 · Free terms change often. Always confirm limits, data-use policy and regional availability on the official page before relying on a free tier.

GLM-5.3: paid API prices on 18 channels →

Free conditions

Specs

How to access

Official sources

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