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

# OpenAI GPT-5.1

export const Link = ({href, children, className, ...props}) => {
  const localizedHref = localizeLink(href);
  return <a href={localizedHref} className={className} {...props}>
      {children}
    </a>;
};

According to OpenAI, **OpenAI GPT-5.1** is a multimodal model designed for coding and agentic tasks with configurable reasoning effort.

## Model details

| Item | Value | Description |
| - | - | - |
| Model name | **GPT-5.1** | The name of the model. |
| Model category | **Premium** | The category of the model: Standard or Premium. |
| API model name | `openai__gpt_5_1` | The name of the model that is used in the <Link href="/guides/box-ai/ai-agents/ai-agent-overrides">Box AI API for model overrides</Link>. The user must provide this exact name for the API to work. |
| Compliance | **N/A** | Government compliance frameworks and authorizations applicable to this model. |
| Hosting layer | **OpenAI** | The trusted organization that securely hosts the LLM. |
| Model provider | **OpenAI** | The organization that provides this model. |
| Release date | **November 13th, 2025** | The release date for the model. |
| Knowledge cutoff date | **September 30th, 2024** | The date after which the model does not get any information updates. |
| Input context window | **400k tokens** | The number of tokens supported by the input context window. |
| Maximum output tokens | **128k tokens** | The number of tokens that can be generated by the model in a single request. |
| Empirical throughput | **Not specified** | The number of tokens the model can generate per second. |
| Open source | **No** | Specifies if the model's code is available for public use. |

## Additional documentation

For additional information, see [official OpenAI GPT-5.1 documentation][openai-gpt-5-model].

[openai-gpt-5-model]: https://platform.openai.com/docs/models/gpt-5.1