Syn Pro

{
  "id": "syn-pro",
  "object": "model",
  "created": null,
  "owned_by": "upstage",
  "name": "Syn Pro",
  "api": {
    "types": [
      "chat"
    ]
  },
  "limits": {
    "context": 65536,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": null,
  "features": [],
  "info": {
    "status": "active",
    "release_date": null,
    "knowledge_cutoff": null,
    "description": "Japanese-focused LLM (about 30B parameters) co-developed by Upstage and Karakuri for enterprise business.",
    "docs": "https://console.upstage.ai/docs/models/history#syn-pro-251021",
    "verified_at": "2026-10-11"
  }
}