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GLM 5.3 Flash

New

by zhipu

Reasoning

Description

GLM-5.3-Flash is Z.ai's natively multimodal 320B-A18B mixture-of-experts model for reasoning, coding, agentic work, long-context tasks, images, and video.

Providers

Pricing

Input$0.20 /1M tokens
Output$0.50 /1M tokens
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Specifications

Context1M tokens
Parameters320B
Licensemit
ReleasedAug 2026

Capabilities

ReasoningVisionToolsJSON ModeStreaming

EU-Compliant API Access

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

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

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

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