GLM 5.2

Z.ai· released 16 Jun 2026

z-ai/glm-5.2

Input / 1M tokens: $0.41
Output / 1M tokens: $3.99

Context window1M tokens

Longest answer: 944K tokens

reads textopen weightstool callingreasoning

About

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,...

Details

Lab: Z.aiopenrouter.ai · 3 Oct 2026
Context: 1,049Kopenrouter.ai · 3 Oct 2026
Input price: $0.41 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $3.99 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 943,718 tokensopenrouter.ai · 3 Oct 2026
Inputs: textopenrouter.ai · 3 Oct 2026
Open weights: Yesopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/z-ai/glm-5.2· checked 3 Oct 2026