Solar Pro 4

{
  "id": "solar-pro4",
  "object": "model",
  "created": 1785974400,
  "owned_by": "upstage",
  "name": "Solar Pro 4",
  "api": {
    "types": [
      "chat"
    ]
  },
  "limits": {
    "context": null,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "text"
    ],
    "output": [
      "text"
    ]
  },
  "reasoning": {
    "supported": true,
    "efforts": [
      "none",
      "minimal",
      "low",
      "medium",
      "high",
      "xhigh",
      "max"
    ]
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 0.3,
    "output": 1.2,
    "cache_read": 0.06,
    "cache_write": null
  },
  "features": [
    "tools",
    "structured_output",
    "streaming"
  ],
  "info": {
    "status": "active",
    "release_date": "2026-08-06",
    "knowledge_cutoff": "2026-02",
    "description": "Upstage flagship Solar model specialized for agentic use, with reasoning, tool calling and structured outputs.",
    "docs": "https://console.upstage.ai/docs/models/solar-pro-4",
    "verified_at": "2026-10-11"
  }
}