Get an OpenAI-compatible model

{  "id": "string",  "object": "model",  "modality": "llm",  "type": "sync",  "provider": "new-api",  "capabilities": [    "string"  ],  "pricing": {    "mode": "per_token",    "unit": "string",    "unit_price": "string",    "input_price": "string",    "output_price": "string"  },  "markup_multiplier": "string",  "status": "active"}