Spark 4.0 Ultra

{
  "id": "4.0ultra",
  "object": "model",
  "created": null,
  "owned_by": "iflytek",
  "name": "Spark 4.0 Ultra",
  "api": {
    "types": [
      "chat"
    ]
  },
  "limits": {
    "context": null,
    "input": 32768,
    "output": 32768
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": false,
    "efforts": []
  },
  "pricing": null,
  "features": [
    "tools",
    "streaming"
  ],
  "info": {
    "status": "active",
    "release_date": null,
    "knowledge_cutoff": null,
    "description": "iFlytek Spark flagship non-thinking language model with function calling and web search.",
    "docs": "https://www.xfyun.cn/doc/spark/HTTP%E8%B0%83%E7%94%A8%E6%96%87%E6%A1%A3.html",
    "verified_at": "2026-10-11"
  }
}