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
First impressions of GPT-5.5 from Aaron Friel
Romain Huet chats with Aaron Friel, Member of Technical Staff @ OpenAI about the new GPT-5.5 model. Find out how teams within OpenAI are taking advantage of faster and more autonomous long-running tasks using GPT-5.5.
YouTube
First impressions of GPT-5.5 from Claire Vo
Find out what Claire Vo, founder of ChatPRD and host of How I AI, thinks about GPT-5.5. Claire talks about squashing bugs in ChatPRD and how GPT-5.5 is enabling new workflows.
YouTube
First impressions of GPT-5.5 from Will Koh
Romain Huet chats with Will Koh from Ramp. Will is a Senior Software Engineer who has been working with GPT-5.5. Find out how GPT-5.5 improves Ramp's harness through much more intelligent tool finding and how this will benefit their custome...
YouTube
First impressions of GPT-5.5
Will Koh, Claire Voh, and Aaron Friel share their first impressions of GPT-5.5
YouTube
Introducing GPT-5.5
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done....
YouTube
Workspace agents in ChatGPT: Lead outreach agent
Introducing workspace agents in ChatGPT—Codex-powered agents for teams. Watch a guided walkthrough of an agent that qualifies inbound leads, drafts personalized follow-ups, and keeps the CRM up to date.
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.
