GLM-4-Plus
GLM-4-Plus is an AI model released by Z.ai on Thursday, Aug 29 2024, 85 days after GLM-4-9B.
GLM-4-Plus — frequently asked questions
- When was GLM-4-Plus released?
- GLM-4-Plus was released by Z.ai on Thursday, Aug 29 2024.
- Who made GLM-4-Plus?
- GLM-4-Plus 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-Plus open source?
- No. GLM-4-Plus 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-Plus?
- Z.ai's previous tracked release was GLM-4-9B on Jun 5 2024, 85 days earlier. It was followed by GLM-4.5 on Jul 28 2025.