Z.ai: GLM 5.2
Analysis Summary
Z.ai's GLM 5.2 is a text model with strong coding results, high tool-use reliability measures, and a 1M-token context window. Its reasoning results are below the leading general-purpose models, but its coding and long-context profile supports substantial technical and document workflows. It also supports tool use and function calling, with listed input and output prices below many premium offerings.
For agency teams, GLM 5.2 is a compelling candidate for coding assistance, long-document analysis, and tool-connected automation. Its measured instruction-following and long-context results support structured work, though complex general reasoning should be tested against a stronger flagship when accuracy is critical. The combination of context capacity and cost makes it suitable for a production pilot, especially for repeatable technical workflows.
Assessed September 23, 2026
Editorial notes
GLM 5.2 pairs strong coding and tool-use results with a 1M-token context, high instruction-following and long-context measures, and competitive listed pricing.
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 5.2 pairs strong coding and tool-use results with a 1M-token context, high instruction-following and long-context measures, and competitive listed pricing.
Benchmarks
Artificial Analysis data refreshed Oct 6, 2026. Arena ratings from the Oct 2, 2026 text leaderboard, with style control. Bars: magenta = reasoning, ink = coding and agents, cyan = instructions and long context.
How Z.ai: GLM 5.2 compares
Z.ai: GLM 5.2 ranks #37 of 433 AI models we track for overall intelligence, #28 of 198 for coding, #29 of 181 for agentic tasks. Its 1M-token context window is larger than 95% of the models we list. At $0.15 per million input tokens it is cheaper than 53% 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 | $0.15 | $0.000152 |
| Output | $12.00 | $0.012000 |
What would Z.ai: GLM 5.2 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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Talk to our teamAbout Z.ai: GLM 5.2
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,..
Frequently asked questions about Z.ai: GLM 5.2
How much does Z.ai: GLM 5.2 cost?
Z.ai: GLM 5.2 costs $0.15 per million input tokens and $12.00 per million output tokens.
What is the context window of Z.ai: GLM 5.2?
Z.ai: GLM 5.2 has a context window of 1,048,576 tokens (1M).
Is Z.ai: GLM 5.2 good for coding?
On our coding benchmark index, Z.ai: GLM 5.2 ranks #28 of 198 models, placing it in the top quartile of the field for code generation and debugging.
What can Z.ai: GLM 5.2 do?
Z.ai: GLM 5.2 supports tool use and function calling.
Who created Z.ai: GLM 5.2?
Z.ai: GLM 5.2 is developed by Z.ai and was released on June 16, 2026.