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GLM 4.5OPEN
GLM 4.5 (Z.AI): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for GLM 4.5, measured by Artificial Analysis. Higher is better. Measurement mode: Reasoning.
About this model
GLM 4.5 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 4.5?
GLM 4.5 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 19.5 on the Artificial Analysis intelligence index.
Is GLM 4.5 free?
The weights are free and open — you can self-host GLM 4.5 and pay nothing per token. If you prefer a hosted API, list prices are $0.6 per million input tokens and $2.2 per million output tokens.
What is GLM 4.5 good at?
Independent benchmarks from Artificial Analysis give it GPQA 78.2%, MMLU-Pro 83.5%, Humanity's Last Exam 12.2%, Long Context Reasoning 48.3%, LiveCodeBench 73.8%, SciCode 34.8%, MATH-500 97.9%, AIME 87.3%, AIME 2025 73.7%, IFBench 44.1%, τ²-Bench 43%, Terminal-Bench Hard 22%. It is particularly used for mathematical reasoning.
Can I self-host GLM 4.5?
Yes. GLM 4.5 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.