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
1,102 published updates
The Defender’s Window
Title: The Defender’s Window
OpenAI joins PORTS-Pike project
Title: OpenAI joins PORTS-Pike project
New policy ideas for the Intelligence Age
Title: New policy ideas for the Intelligence Age
The builder’s guide to GPT‑5.6
Title: The builder’s guide to GPT‑5.6
Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
Title: Previewing Ultrafast mode: GPT-5.6 Sol at up to 14X the speed
OpenAI appoints Dali Rajic as Chief Revenue Officer
Title: OpenAI appoints Dali Rajic as Chief Revenue Officer
Latest ChatGPT videos
738 published videos
YouTube
Measuring Agents With Interactive Evaluations
Agents explore, plan, and reliably execute across diverse, long-horizon tasks—challenges that static benchmarks can't measure. Hear from Greg Kamradt, President of the ARC Prize Foundation, on how evaluating agentic performance requires i...
YouTube
Shipping with Codex
"Hear how OpenAI engineers use Codex to rethink how code gets written, refactored, and merged. From pair programming in your local environment to delegating tasks to the cloud, this session focuses on how Codex is unlocking a faster, more...
YouTube
Building with Open Models
Go beyond out-of-the-box models with gpt-oss, OpenAI's newest open model series. Discover how gpt-oss lets you adapt, extend, and fine-tune to your needs while combining seamlessly with GPT-5 for flexible, high-impact builds. Dominik prese...
YouTube
Live Demo Showcase: Tools That 10x Your Codebase
The best dev teams scale impact, not headcount. In this session, founders from Charlie Labs, Warp, CodeRabbit, and Jam will demo tools that speed up shipping, streamline code reviews, and keep your codebase clean—turning small teams into fo...
YouTube
OpenAI on OpenAI: Applying AI to Our Own Workflows
Ever wonder how OpenAI is using our own technology? Discover how we build reliable agents for sales, support, finance, and data, then take home a framework for spotting and scaling high-leverage use cases.
YouTube
AgentKit Demo
Follow along as Christina Huang builds and embeds an AI agent powered by AgentKit directly into the OpenAI Dev Day website in under 8 minutes. Christina quickly builds an agent that: - Creates personalized agendas based on attendees' inter...
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.
