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OpenAI
OpenAI started in 2015 as a nonprofit research lab dedicated to ensuring artificial general intelligence benefits all of humanity. Read more →
Latest ChatGPT updates
946 published updates
The Instruction Hierarchy: Training LLMs to Prioritize Privileged Instructions
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Introducing OpenAI Japan
We are excited to announce our first office in Asia and we’re releasing a GPT‑4 custom model optimized for the Japanese language.
Klarna's AI assistant does the work of 700 full-time agents
Title: Klarna's AI assistant does the work of 700 full-time agents
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.
Customizing models for legal professionals
Title: Customizing models for legal professionals
Start using ChatGPT instantly
We’re making it easier for people to experience the benefits of AI without needing to sign up.
Latest ChatGPT videos
533 published videos
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Codex can now use Chrome directly on macOS and Windows.
Codex is now even better at working with apps and sites in Chrome, and can now work in parallel across tabs in the background, without taking over your browser. To get started on macOS and Windows, install the Chrome plugin in the Codex ap...
YouTube
We’re introducing three audio models in the API
We’re introducing three audio models in the API that unlock a new class of voice apps for developers. With these models, developers can build voice experiences that feel more natural, respond more intelligently, and take action in real time...
YouTube
GPT-5.5 is a game changer for finance
"GPT 5.5 is an absolute game changer for our customers, specifically in finance, because the model is just amazing at multi-step reasoning." Build with GPT-5.5 ➡️ https://lnkd.in/g7KQNhiG
YouTube
Introducing GPT-5.5 with Box
"When I saw the GPT-5.5 evals come back, I literally did a double take." Yes, we’re model magicians. It’s exciting to see how Box is pointing GPT-5.5 towards their most difficult, complex knowledge work cases across finance. A standout...
YouTube
Introducing ChatGPT for Excel and Google Sheets
Ask ChatGPT to analyze, update, and explain your spreadsheets directly in Excel and Google Sheets. These add-ins are now available globally across all plans. Powered by GPT-5.5, ChatGPT helps you update models, analyze data, audit outputs,...
YouTube
Why AI needs a new kind of supercomputer network — the OpenAI Podcast Ep. 18
Training frontier models isn’t as simple as adding more GPUs—one small problem and the whole coordinated dance falls apart. OpenAI’s Mark Handley and Greg Steinbrecher discuss how a new supercomputer network design, used to train some of th...
OpenAI started in 2015 as a nonprofit research lab dedicated to ensuring artificial general intelligence benefits all of humanity. In November 2022, ChatGPT changed the public's perception of AI overnight — reaching one million users in five days and accelerating the entire industry by years. Today, OpenAI operates across consumer products, enterprise tools, and a developer API that powers thousands of applications worldwide, making it the most recognized name in modern AI.
Timeline
Founded as a nonprofit AI research lab in San Francisco.
GPT-1 released; first transformer-based language model.
GPT-3 launched, opening the API to developers.
ChatGPT released — reaches 1 million users in 5 days.
GPT-4 released; plugins and multimodal capabilities added.
GPT-4o and o1 reasoning models launched; Sora video model unveiled.
o3 and o4-mini released; GPT-4.5 and GPT-5 roadmap confirmed.
