OpenAI Platform
Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.
Developer quickstart | OpenAI API
The OpenAI API provides a simple interface to state-of-the-art AI models for text generation, natural language processing, computer vision, and more. Get started by creating an API Key and running …
Assistants migration guide | OpenAI API
Guidance for migrating from the Assistants API to the Responses API, including side-by-side comparisons and updated patterns.
Overview | OpenAI Platform
Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.
Welcome back - OpenAI
Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.
Prompt generation | OpenAI API
Learn how to generate prompts, functions, and schemas in the OpenAI API's Playground.
Create an account - OpenAI
Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.
Text generation | OpenAI API
Learn how to use the OpenAI API to generate text from a prompt. Learn about message types and available text formats like JSON and Structured Outputs.
Compare models | OpenAI API
Compare models GPT-5.2 The best model for coding and agentic tasks across industries Learn more Playground Reasoning Speed Input
Agent Builder | OpenAI API
Visually assemble, debug, and export multi-step agent workflows from the playground.