ChatGPT
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
Running Codex safely at OpenAI
A look at the controls, boundaries, and telemetry OpenAI uses to govern coding agents in real workflows.
Advancing voice intelligence with new models in the API
Title: Advancing voice intelligence with new models in the API
Simplex rethinks software development with Codex
Simplex is using ChatGPT Enterprise and Codex to validate AI-driven development and scale more productive workflows.
Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber
Title: Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber
Introducing Trusted Contact in ChatGPT
Connecting you to someone you trust when it matters most.
Parloa builds service agents customers want to talk to
Parloa uses OpenAI models to simulate, evaluate, and run voice-driven customer service systems for the enterprise.
Latest ChatGPT videos
533 published videos
YouTube
Using OpenAI Codex CLI with GPT-5-Codex
Learn how to use the Codex CLI + GPT-5-Codex in just 5 minutes. In this tutorial, Eason Goodale and Romain Huet show you how to build a multiplayer game with Codex — without writing a single line of code! Timestamps: 00:00 Intro 00:50...
YouTube
Build Hour: Responses API
The Responses API is our flagship API for building agents. This Build Hour shows how the Responses API unlocks persistent reasoning, hosted tools, and multimodal workflows for GPT-5. Steve Coffey (API Engineering) covers: • How to use buil...
YouTube
OpenAI x Broadcom — The OpenAI Podcast Ep. 8
OpenAI and Broadcom are teaming up to design our own chips—bringing lessons from building frontier models straight into the hardware. In partnership with Broadcom and alongside our other partners, we’re creating the next generation of AI i...
YouTube
What Work Looks Like with ChatGPT | Write, Research, Code, Create
ChatGPT is becoming a bigger part of everyday work. It helps teams move from idea to execution faster, analyzing data, writing code, researching topics, and taking action across tools. This short video shows how AI is making work faster, s...
YouTube
Developer State Of The Union
The developer experience is being rewritten with AI. The Developer State of the Union will explore how Codex, gpt-oss, and our API open up powerful ways to build, experiment, and scale. We’ll share the latest updates, demo new capabilities,...
YouTube
A Conversation with Sam and Jony
Join Sam Altman and Jony Ive for a wide-ranging conversation about the craft of building in the age of AI. Together, they will explore the importance of strong working relationships, the design process, and what it means to build tools thou...
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.