GLM-TTS

Speech synthesis model with emotional expression, with streaming and non-streaming interfaces.

Zhipu AIglm-tts2025-12-11Report incorrect data

Specs

Context: —
Max output: —
Input price: ¥200/ 1M characters
Output price: —
Released: 2025-12-11

Context

Not published

Pricing · CNY / 1M characters

Input: ¥200
Output: —
Cache read: —
Cache write: —

Modalities

Input: Text
Output: Audio

API

API types: audio

Reasoning

Not published

Info

Status: Active
Released: 2025-12-11
Knowledge cutoff: —

Features

Not published

How to call

zhipumodel = glm-tts

audio

POSThttps://open.bigmodel.cn/api/paas/v4/audio/speech

JSON

glm-tts.json

{
  "id": "glm-tts",
  "object": "model",
  "created": 1765411200,
  "owned_by": "zhipu",
  "name": "GLM-TTS",
  "api": {
    "types": [
      "audio"
    ]
  },
  "limits": {
    "context": null,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "audio"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "CNY",
    "unit": "1M_characters",
    "input": 200,
    "output": null,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "active",
    "release_date": "2025-12-11",
    "knowledge_cutoff": null,
    "description": "Speech synthesis model with emotional expression, with streaming and non-streaming interfaces.",
    "docs": "https://docs.bigmodel.cn/cn/guide/models/sound-and-video/glm-tts",
    "verified_at": "2026-10-11"
  }
}

Official sources