Z.aiSees images

GLM 5.3 Flash

z-ai/glm-5.3-flash

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Context
1M tokens
Input, 1M tokens
$0.17
Output, 1M tokens
$0.57
Benchmark
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Uptime and speed

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Pricing

Charged from your prepaid balance for the tokens actually used.

Input tokens$0.17 per 1M tokens
Output tokens$0.57 per 1M tokens
Cache read$0.03 per 1M tokens

Apps and activity

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Technical details

Model IDz-ai/glm-5.3-flash
Context window1M tokens
AcceptsText, Images, Video
ProducesText
TokenizerOther
Max output tokens131,072

How to connect

The API is OpenAI-compatible: the official SDKs, LangChain and any client with a "base URL" field work.

import OpenAI from 'openai'

const client = new OpenAI({
  baseURL: 'https://getmegabrain.com/api/gateway/v1',
  apiKey: process.env.MEGABRAIN_API_KEY,
})

const response = await client.chat.completions.create({
  model: 'z-ai/glm-5.3-flash',
  messages: [{ role: 'user', content: 'Hello!' }],
})

Start using GLM 5.3 Flash

Create a free account, get a key in your dashboard and send your first request. Top up your balance when you need it.