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
Title: Running Codex safely at OpenAI
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
AGI progress, surprising breakthroughs, and the road ahead — the OpenAI Podcast Ep. 5
How close are we to automating scientific discovery? What do AI competition wins really tell us about progress toward AGI? OpenAI Chief Scientist Jakub Pachocki and researcher Szymon Sidor share inside stories—from gold medals at the Intern...
YouTube
Introducing GPT-5
Introducing GPT-5, our best AI system yet! GPT-5 features state-of-the-art performance across coding, math, writing assistance, health, visual perception, and more. Use GPT-5 to build websites, create apps, and tap into its improved writi...
YouTube
Introducing GPT-5
Sam Altman, Greg Brockman, Sebastien Bubeck, Mark Chen, Yann Dubois, Brian Fioca, Adi Ganesh, Oliver Godement, Saachi Jain, Christina Kaplan, Christina Kim, Elaine Ya Le, Felipe Millon, Michelle Pokrass, Jakub Pachocki, Max Schwarzer, Renni...
YouTube
Surprising developers with GPT-5
Five developers—Simon Willison, Claire Vo, Theo Browne, Shawn Wang, and Ben Hylak—are invited to OpenAI, not knowing who else is coming or why. Before GPT-5’s public release, they get full creative freedom to push its coding skills, design...
YouTube
Coding and Design with GPT-5
ChatGPT has transformed the way people code, and GPT-5 is our best and most aesthetically intuitive coding model to date. Designer, developer, and CEO Pietro uses GPT-5 to bring his app ideas to reality.
YouTube
GPT-5 for Scientific Discovery
Olivier Godement Head of Platform Product, and Amgen's SVP of AI & Data Sean Bruich sit down to discuss how GPT-5 helps them accelerate their mission of serving patients.
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.