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GLM

★ 7k

Z.ai's open model family focused on coding and agentic engineering, with weights and serving recipes for local or self-hosted inference.

GLM does the job of Claude and GPT-4o API, self-hosted. It is Apache-2.0-licensed, so you can do essentially what you like with it, and running it properly takes real ops work. Claude bills $20+ for it. 7k stars on GitHub.

Open-source replacement for Claude, GPT-4o API.

Licence
Apache-2.0
Self-hosting
Hard
The paid one costs
$20+
GitHub stars
7k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How GLM runs

Where it runs

GLM runs on your server.

What setup takes

not verified by us yet — check the repo README.

GLM questions

Is GLM open source?

Yes — it is released under Apache-2.0.

Can GLM replace Claude?

Our verdict on Claude is YES. OpenClaw (210k stars), AnythingLLM (64k stars), Cherry Studio (50k stars) are mature open-source replacements for Claude — self-host with docker and stop paying $20/mo.

Can I self-host GLM?

Yes — we rate it hard to self-host, and it runs on your server.

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