Tsinghua spinoff behind ChatGLM — the most downloaded Chinese open-source LLM series.
About
Zhipu AI (智谱AI), a Tsinghua University spinoff founded in 2019, developed the GLM (General Language Model) architecture and the ChatGLM series — the most widely downloaded Chinese open-source language models. GLM-4 supports 128K context with strong bilingual performance and a free API tier. ChatGLM3-6B has accumulated tens of millions of downloads and is among the most-deployed Chinese models globally.
Key highlights
ChatGLM3-6B is the most downloaded Chinese open-source model on Hugging Face
GLM-4-Flash offers 128K context completely free for developers
GLM architecture developed at Tsinghua with academic rigour
Priced at $0.14/M — among the cheapest frontier-quality APIs available
Full tool use, web search grounding, and code execution capabilities in GLM-4
Models
Context windows, pricing, capabilities, and API identifiers — everything you need to choose the right model for your workload.
2024
Zhipu's flagship commercial model with 128K context. Competitive bilingual performance at one of the lowest prices in its class — $0.14/M for both input and output.
glm-42024
GLM-4's multimodal vision variant. Handles complex image understanding, document analysis, and visual question answering in both English and Chinese.
glm-4v2024
A free-tier GLM model with 128K context for developers and prototyping. Zhipu offers a generous free quota, making it an excellent entry point for testing.
glm-4-flash2023
The open-weight 6B model that sparked mass adoption of Chinese LLMs. Runs on consumer GPUs and has been downloaded tens of millions of times from Hugging Face.
chatglm3-6bUse Cases
Each provider has specialisms shaped by their architecture decisions, training data, and API design. Here is where Zhipu AI (GLM) performs best.
Get started
Visit the official Zhipu AI (GLM) platform to access API keys, documentation, and pricing details.