GLM
by Z.ai (Zhipu AI) · z.ai ↗
Family of open-weight large language models from Zhipu AI, spanning general, reasoning, and coding-focused variants.
llm open-weights reasoning coding
- Category
- Open Models
- Business model
- Open (open weights/source)
- Availability
- Global
- Launched
- 2023
- Record updated
- 2026-07-30
- Model family
- GLM
- License
- MIT
- Founded
- 2019
- Headquarters
- CN
- Canonical URL
- https://globalaiproductindex.com/products/glm/
Overview
GLM is a family of open-weight large language models from Beijing-based Zhipu AI (Z.ai), spanning general chat, reasoning, coding, and vision variants. Recent generations such as GLM-4.5 and GLM-4.6 emphasize agentic tool use and coding performance and are released under permissive licenses. Weights are free to download, while Zhipu also sells hosted API access and coding plans.
Key features
- Open-weight models for chat, reasoning, and coding
- Agent-oriented capabilities with tool calling
- Vision and multimodal variants (GLM-4V series)
- Permissive licensing with hosted API options
Use cases
- Self-hosting a capable open LLM for products
- Agentic coding via GLM coding plans and APIs
- Research on bilingual Chinese-English models
Pricing
GLM open weights are free under permissive licenses; Zhipu's hosted APIs and coding subscription plans are paid by usage or monthly fee.
Frequently asked questions
What is GLM?
GLM is Zhipu AI's family of open-weight large language models covering chat, reasoning, coding, and multimodal tasks.
Are GLM models open source?
Many GLM models are released with open weights under permissive licenses that allow commercial use.
How can I access GLM models?
You can download the weights, use Zhipu's paid API, or subscribe to its coding plans that bundle model access.
Similar products
- Baichuan — Open-weight bilingual LLM family from Beijing-based Baichuan Intelligence, now focused on medical AI with its Baichuan-M reasoning models.
- Command R — Cohere's open-weight LLM family optimized for retrieval-augmented generation and tool use; succeeded by Command A as Cohere's flagship.
- DBRX — Open-weight mixture-of-experts LLM released by Databricks in 2024; retired from Databricks serving in 2025, though the weights remain available.
- DeepSeek — Open-weight LLM family and chat assistant from Hangzhou-based DeepSeek, known for strong reasoning models. The official DeepSeek-V4-Flash-0731 API brings a major agent-capability upgrade via post-training, with native Responses API support and Codex adaptation.
- Falcon — Family of open-weight large language models developed by the Technology Innovation Institute (TII).
- Gemma — Google's family of lightweight open-weight models derived from the same research as Gemini.
Sources
This record was last reviewed on 2026-07-30.
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