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GLM 5.3

by zhipu

Chat

Description

GLM-5.3 is Z.AI's open-weight, text-only reasoning model for complex coding, long-horizon agentic work, tool use, and multilingual chat. It uses the same base model as GLM-5.2, with its gains coming from post-training.

Providers

Pricing

Input$1.00 /1M tokens
Output$3.50 /1M tokens
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Specifications

Context524K tokens
Parameters—
License—
Released—

Capabilities

ReasoningToolsJSON Mode

EU-Compliant API Access

Use GLM 5.3 with a simple API call. OpenAI-compatible endpoint, EU data residency guaranteed.

JavaScript
const response = await fetch("https://api.eurouter.pro/api/v1/chat/completions", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `Bearer ${process.env.EUROUTER_API_KEY}`,
  },
  body: JSON.stringify({
    model: "zhipu/glm-5.3",
    messages: [
      { role: "user", content: "Hello!" }
    ],
  }),
});

const data = await response.json();
console.log(data.choices[0].message.content);

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