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
How to make Sora music videos with David Sheldrick
Sora Fellow David Sheldrick shares an inside look at his latest project—a vibrant, multicultural twist on Victorian elegance wrapped in a K-POP dance reel. David, a British-Korean visual artist based in London, walks us through his workfl...
YouTube
OpenAI Codex CLI
Meet Codex CLI—an open-source local coding agent that turns natural language into working code. Tell Codex CLI what to build, fix, or explain, then watch it bring your ideas to life. In this video, Fouad Matin from Agents Research and Romai...
YouTube
OpenAI o3 & o4-mini
Greg Brockman, Mark Chen, Eric Mitchell, Brandon McKinzie, Wenda Zhou, Fouad Matin, Michael Bolin, and Ananya Kumar introduce and demo OpenAI o3 and o4-mini.
YouTube
World-building in Sora with Alexia Adana
Remix, presets, and seamless transitions—oh my! Go behind the scenes of Bloomchild, a stunning project by Sora Fellow Alexia Adana. Alexia is a visual artist and creative director using AI to explore identity, healing, and belonging throug...
YouTube
GPT 4.1 in the API
Join Michelle Pokrass, Ishaan Singal, and Kevin Weil as they introduce and demo our new family of GPT-4.1 models in the API
YouTube
Pre-Training GPT-4.5
Sam Altman sits down with Amin Tootoonchian, Alex Paino, and Daniel Selsam to discuss the journey to get to GPT-4.5.
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.