OpenAI o1 and new tools for developers

Introducing OpenAI o1

Introducing OpenAI o3 and o4-mini

Our smartest and most capable models to date with full tool access

Building OpenAI with OpenAI

At OpenAI, we rely on our own technology to help streamline work, scale expertise, and drive outcomes. In our new series, OpenAI on OpenAI, we share lessons to help other organizations do the same.

Improving support with every interaction at OpenAI

Learn how OpenAI uses AI to enhance support, cutting response times, improving quality, and scaling to meet hypergrowth.

OpenAI API

We’re releasing an API for accessing new AI models developed by OpenAI.

OpenAI to acquire Ona

OpenAI plans to acquire Ona to expand Codex with secure, persistent cloud environments, enabling long-running AI agents across enterprise workflows.

Introducing improvements to the fine-tuning API and expanding our custom models program

We’re adding new features to help developers have more control over fine-tuning and announcing new ways to build custom models with OpenAI.

OpenAI Codex

We’ve created an improved version of OpenAI Codex, our AI system that translates natural language to code, and we are releasing it through our API in private beta starting today.

Beyond rate limits: scaling access to Codex and Sora

How OpenAI built a real-time access system combining rate limits, usage tracking, and credits to power continuous access to Sora and Codex.

Applications of AI at OpenAI

Explore how OpenAI products like ChatGPT, Codex, and APIs bring AI into real-world use for work, development, and everyday tasks.

Embedding AI into developer software

JetBrains uses OpenAI’s API to build its fastest-growing product ever.

Introducing OpenAI

OpenAI is a non-profit artificial intelligence research company. Our goal is to advance digital intelligence in the way that is most likely to benefit humanity as a whole, unconstrained by a need to generate financial return.