ModelInfo
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GLM-4-Long

Language model designed for very long text and memory-style tasks, supporting 1M-token input.

Zhipu AIglm-4-longReport incorrect data

Specs

Context
1.05M
Max output
4.1K
Input price
¥1/ 1M tokens
Output price
¥1/ 1M tokens
Released
—

Context

Context window
1.05M
Max input
—
Max output
4.1K

Pricing · CNY / 1M tokens

Input
¥1
Output
¥1
Cache read
¥0.5
Cache write
—

Modalities

Input
Text
Output
Text

API

API types
chat

Reasoning

Not published

Info

Status
Active
Released
—
Knowledge cutoff
—

Features

Not published
Source · official docsVerified 2026-10-11

How to call

1 provider

zhipumodel = glm-4-long

chat
POSThttps://open.bigmodel.cn/api/paas/v4/chat/completions

JSON

Standard format
glm-4-long.json
{
  "id": "glm-4-long",
  "object": "model",
  "created": null,
  "owned_by": "zhipu",
  "name": "GLM-4-Long",
  "api": {
    "types": [
      "chat"
    ]
  },
  "limits": {
    "context": 1048576,
    "input": null,
    "output": 4096
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "CNY",
    "unit": "1M_tokens",
    "input": 1,
    "output": 1,
    "cache_read": 0.5,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "active",
    "release_date": null,
    "knowledge_cutoff": null,
    "description": "Language model designed for very long text and memory-style tasks, supporting 1M-token input.",
    "docs": "https://docs.bigmodel.cn/cn/guide/models/text/glm-4-long",
    "verified_at": "2026-10-11"
  }
}

Official sources

4