Universal-3.5 Pro

AssemblyAI 准确率最高的预录制语音转文字模型，支持 18 种语言、原生语码转换和上下文提示。

AssemblyAIuniversal-3-5-pro2026-07-07报告数据错误

规格

上下文: —
最大输出: —
输入价: $0.21/ 小时
输出价: —
发布日期: 2026-07-07

上下文

官方未公布

价格 · USD / 小时

输入: $0.21
输出: —
缓存读取: —
缓存写入: —

输入输出

输入: 音频
输出: 文本

API

接口类型: audio

思考

官方未公布

源信息

状态: 可用
发布日期: 2026-07-07
知识截止: —

能力

官方未公布

调用方式

assemblyaimodel = universal-3-5-pro

audio

POSThttps://api.assemblyai.com/v2/transcript

JSON

universal-3-5-pro.json

{
  "id": "universal-3-5-pro",
  "object": "model",
  "created": 1783382400,
  "owned_by": "assemblyai",
  "name": "Universal-3.5 Pro",
  "api": {
    "types": [
      "audio"
    ]
  },
  "limits": {
    "context": null,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "audio"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "hour",
    "input": 0.21,
    "output": null,
    "cache_read": null,
    "cache_write": null
  },
  "features": [],
  "info": {
    "status": "active",
    "release_date": "2026-07-07",
    "knowledge_cutoff": null,
    "description": "AssemblyAI highest-accuracy pre-recorded speech-to-text model with 18 languages, native code switching and contextual prompting.",
    "docs": "https://www.assemblyai.com/docs/pre-recorded-audio/select-the-speech-model",
    "verified_at": "2026-10-11"
  }
}

官方来源

Model selection | AssemblyAI Docswww.assemblyai.com2026-10-11 Models | AssemblyAI Docswww.assemblyai.com2026-10-11 Pricing | AssemblyAIwww.assemblyai.com2026-10-11 Universal-3.5 Pro: native code switching, our most accurate speaker diarization yet, and expanded language support | AssemblyAIwww.assemblyai.com2026-10-11