Z
GLM 5OPEN
GLM 5 (Z.AI): live API pricing, context window and the best open-source alternatives, tracked daily by OpenSourceAI.tech.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for GLM 5, measured by Artificial Analysis. Higher is better. Measurement mode: Reasoning.
For the same budget, GLM 5 delivers 4.2 times more capability. Open weights also mean you can self-host it and pay nothing per token.
About this model
GLM 5 is an open-weight AI model by Z.AI. You can download and self-host it for free; the prices below are hosted-API list prices, tracked hourly, for when you prefer convenience over self-hosting.
Frequently asked questions
What is GLM 5?
GLM 5 is an AI language model from Z.AI. It is open-weight: you can download it and run it on your own hardware, for free. It scores 39.5 on the Artificial Analysis intelligence index.
Is GLM 5 free?
The weights are free and open — you can self-host GLM 5 and pay nothing per token. If you prefer a hosted API, list prices are $0.95 per million input tokens and $2.55 per million output tokens.
What is GLM 5 good at?
Independent benchmarks from Artificial Analysis give it GPQA 82%, Humanity's Last Exam 27.2%, Long Context Reasoning 63.3%, SciCode 46.2%, IFBench 72.3%, τ²-Bench 98.2%, Terminal-Bench Hard 43.2%.
Can I self-host GLM 5?
Yes. GLM 5 has open weights, so you can download it and run it on your own GPU or server with tools like Ollama, vLLM or llama.cpp — with no per-token cost.
Open-source alternatives
Depending on your workload, an open-weight model that you can self-host may cut costs dramatically or remove per-token pricing entirely. Our comparison pages put this model side by side with the strongest open-source contenders.