> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# ModelResponse

Single model response

## Fields

| Field  | Type                                                  | Required             | Description                                           | Example                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| ------ | ----------------------------------------------------- | -------------------- | ----------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `Data` | [components.Model](../../models/components/model.mdx) | :heavy\_check\_mark: | Information about an AI model available on OpenRouter | \{<br />"architecture": \{<br />"input\_modalities": \[<br />"text"<br />],<br />"instruct\_type": "chatml",<br />"modality": "text-\u003etext",<br />"output\_modalities": \[<br />"text"<br />],<br />"tokenizer": "GPT"<br />},<br />"canonical\_slug": "openai/gpt-4",<br />"context\_length": 8192,<br />"created": 1692901234,<br />"default\_parameters": null,<br />"description": "GPT-4 is a large multimodal model that can solve difficult problems with greater accuracy.",<br />"expiration\_date": null,<br />"id": "openai/gpt-4",<br />"knowledge\_cutoff": null,<br />"links": \{<br />"details": "/api/v1/models/openai/gpt-5.4/endpoints"<br />},<br />"name": "GPT-4",<br />"per\_request\_limits": null,<br />"pricing": \{<br />"completion": "0.00006",<br />"image": "0",<br />"prompt": "0.00003",<br />"request": "0"<br />},<br />"reasoning": \{<br />"default\_effort": "medium",<br />"default\_enabled": true,<br />"mandatory": false,<br />"supported\_efforts": \[<br />"high",<br />"medium",<br />"low",<br />"minimal"<br />]<br />},<br />"supported\_parameters": \[<br />"temperature",<br />"top\_p",<br />"max\_tokens"<br />],<br />"supported\_voices": null,<br />"top\_provider": \{<br />"context\_length": 8192,<br />"is\_moderated": true,<br />"max\_completion\_tokens": 4096<br />}<br />} |