ChatGLM-6BOpen Weight

ChatGLM-6B is an AI model released by Z.ai on Tuesday, Mar 14 2023. It is an open-weight model — the trained weights are available to download and run. It is a 6B parameter model.

ChatGLM-6B — frequently asked questions

When was ChatGLM-6B released?
ChatGLM-6B was released by Z.ai on Tuesday, Mar 14 2023.
Who made ChatGLM-6B?
ChatGLM-6B was built by Z.ai. Chinese AI lab spun out of Tsinghua University (formerly Zhipu AI), building the open-weight GLM family. Rebranded internationally as Z.ai in 2025.
How many parameters does ChatGLM-6B have?
ChatGLM-6B is reported at 6B parameters.
Is ChatGLM-6B open source?
Partly. ChatGLM-6B is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.
What came before and after ChatGLM-6B?
It was followed by GLM-4 on Jan 16 2024.

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