Explore OpenAI's GPT-5.1 Model

GPT-5.1 combines advanced reasoning with intuitive responses.

Input: image · text · file Output: text Context: 400,000 tokens Release: 2025-11-13

OpenAI's GPT-5.1, released on November 13, 2025, is a cutting-edge model in the GPT-5 series. With a context length of 400,000 tokens, it excels in processing both text and images, providing clear, grounded explanations. This model supports various input modalities, including text, images, and files, while producing text outputs. GPT-5.1 enhances reasoning capabilities, offering improved instruction adherence and a more natural conversational style. It's designed for a wide range of applications, delivering coherent long-form responses and reliable tool use, making it suitable for tasks in math, coding, and structured analysis.

Use Cases

Here are a few ways teams apply OpenAI: GPT-5.1 in practice—from fast drafting to multimodal understanding. Adapt these ideas to your workflow.

Generate detailed reports from data inputs

Assist in coding and debugging tasks

Provide clear explanations for complex concepts

Engage in natural conversations on various topics

Key Features

A quick look at the capabilities that make this model useful in real projects.

Handles text, images, and files as input

Dynamic computation for efficiency

Improved clarity in explanations

Refined conversational alignment

Broad task coverage across disciplines

Specs

Overview

Vendor
openai

Model ID
openai/gpt-5.1

Release
2025-11-13

Modalities & context

Input
image · text · file

Output
text

Context
400,000 tokens

Parameters & defaults

Supported parameters: include_reasoning, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools

Defaults: temperature 0.2, top_p 0.95

Benchmark tests: OpenAI: GPT-5.1

We ran this model against a few representative prompts to show its range. Review the outputs below and be the judge.

Text

Prompt:

Write 150 words on how AI might positively upend work, leisure and creativity

AI is poised to positively upend work, leisure and creativity by reshaping how we use time, attention and imagination. At work, AI can take over repetitive, low‑value tasks—data entry, routine analysis, scheduling—freeing people to focus on strategy, problem‑solving and human relationships. It can personalize training, helping workers continuously reskill instead of being left behind by technological change. In leisure, AI can curate experiences aligned with our interests, from tailored learning journeys to adaptive games and entertainment that respond to our moods and goals. It may shorten the workweek by boosting productivity, enabling more time for rest, family and community. For creativity, AI acts as an endlessly patient collaborator: suggesting ideas, generating drafts, remixing styles and offering feedback. This lowers barriers to entry in art, music, writing and design, enabling more people to create and share. Ultimately, AI can shift us from being mere consumers toward becoming more active, imaginative participants in culture.

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Image

Prompt:

Generate an SVG of a pelican riding a bicycle.

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Chat with GPT-5.1

up.end

/ˌəpˈend/

verb

To “upend” means to completely disrupt, overturn, or drastically change the established order or structure of something. It implies a significant shift or alteration that can potentially have far-reaching consequences. When something is upended, it is turned upside down or transformed in a way that challenges conventional norms or expectations. The term often carries a sense of innovation, transformation, and sometimes even a hint of upheaval, indicating that the changes are not just minor adjustments but rather a fundamental reimagining of the status quo.

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