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GLM 4.5OPEN
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications.
Prices update automatically — checked daily against provider list prices.
- $1 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 15% of the 200 open-weight models tracked here
- 12 of 18 Z.AI models tracked here, from cheapest
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 daily, 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.
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 13%, Long Context Reasoning 52.7%, LiveCodeBench 73.8%, 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.