When was GLM-4-Plus released?

GLM-4-Plus was released by Z.ai on Thursday, Aug 29 2024.

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 closed 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.

GLM-4-Plus

Released Aug 29 2024

GLM-4-Plus is an AI model released by Z.ai on Thursday, Aug 29 2024, 85 days after GLM-4-9B.

Compare GLM-4-Plus with

GLM-4-Plus

Suggested comparisons

GLM-4-PlusvsGLM-5.3-Flash GLM-4-PlusvsGPT-6 Sol GLM-4-PlusvsClaude Opus 5.5 GLM-4-PlusvsGemini 3.8 Flash GLM-4-PlusvsMuse Spark 1.3 GLM-4-PlusvsGrok 4.7 GLM-4-PlusvsDeepSeek-V4.1-Flash GLM-4-PlusvsMistral Medium 3.5 GLM-4-PlusvsKimi K3 GLM-4-PlusvsQwen3.8-Max-0902 GLM-4-PlusvsNemotron 3.5 Lightning

Frequently asked questions

: GLM-4-Plus was released by Z.ai on Thursday, Aug 29 2024.
: 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.
: No. GLM-4-Plus is a closed model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.
: 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.