Z.ai: GLM 4.5
Analysis Summary
Z.ai's GLM 4.5 is a text model with a 131,072-token context window, tool use, and function calling. The available intelligence measurement is limited, and detailed coding, agentic, or content-following benchmark results are not provided for this listing. The feature set supports integration experiments, but does not establish dependable performance in multi-step production workflows.
It may be useful for testing structured requests and tool-mediated tasks where the outputs can be checked. The context window allows large inputs, but the provided data does not show how well the model reasons across them. Listed pricing is $0.60 per million input tokens and $2.20 per million output tokens, which offers less cost advantage than the lower-priced options in this batch.
Validate it on real prompts before adoption, and reserve consequential decisions or client-ready writing for a model with stronger demonstrated results.
Assessed September 23, 2026
Editorial notes
GLM 4.5 lists tool use, function calling, and a 131K context window; its measured intelligence is limited, and detailed task benchmarks are not included.
The DFO score ranks models on the Artificial Analysis Intelligence Index and is refreshed as new models launch. The write-up and verdict are our own. Feedback?
DFO Verdict
GLM 4.5 lists tool use, function calling, and a 131K context window; its measured intelligence is limited, and detailed task benchmarks are not included.
Benchmarks
Artificial Analysis data refreshed Oct 8, 2026. Arena ratings from the Oct 2, 2026 text leaderboard, with style control.
Artificial Analysis has not published coding or agentic results for Z.ai: GLM 4.5 yet. Until it does, the model sits below tested models on the Coding and AI Agents lists.
How Z.ai: GLM 4.5 compares
Z.ai: GLM 4.5 ranks #185 of 435 AI models we track for overall intelligence. Its 131K-token context window is larger than 51% of the models we list. At $0.60 per million input tokens it is cheaper than 32% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.60 | $0.000600 |
| Output | $2.20 | $0.002200 |
What would Z.ai: GLM 4.5 cost your business?
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A website chatbot handling around 100 customer conversations a day, a few short messages each.
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We route routine calls to cheap models and save Z.ai: GLM 4.5 for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Z.ai: GLM 4.5
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5 delivers significantly..
Frequently asked questions about Z.ai: GLM 4.5
How much does Z.ai: GLM 4.5 cost?
Z.ai: GLM 4.5 costs $0.60 per million input tokens and $2.20 per million output tokens.
What is the context window of Z.ai: GLM 4.5?
Z.ai: GLM 4.5 has a context window of 131,072 tokens (131K).
What can Z.ai: GLM 4.5 do?
Z.ai: GLM 4.5 supports tool use and function calling.
Who created Z.ai: GLM 4.5?
Z.ai: GLM 4.5 is developed by Z.ai and was released on July 25, 2025.