GLM-4
GLM-4 is an AI model released by Z.ai on Tuesday, Jan 16 2024, 308 days after ChatGLM-6B.
GLM-4 — frequently asked questions
- When was GLM-4 released?
- GLM-4 was released by Z.ai on Tuesday, Jan 16 2024.
- Who made GLM-4?
- GLM-4 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.
- Is GLM-4 open source?
- No. GLM-4 is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.
- What came before and after GLM-4?
- Z.ai's previous tracked release was ChatGLM-6B on Mar 14 2023, 308 days earlier. It was followed by GLM-4-9B on Jun 5 2024.