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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 16% of the 191 open-weight models tracked here
- 10 of 15 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.
Models at this level cost $0.88 per 1M tokens (median of 23) — this one costs $1.
Cheaper and better on this index: GLM 5.3 Flash · Gemini 3.7 Flash · Gemini 3.7 Flash (batch) and 68 more
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. It scores 19.7 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 13%, Long Context Reasoning 51.7%, 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.