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
1,028 published updates
How we monitor internal coding agents for misalignment
How OpenAI uses chain-of-thought monitoring to study misalignment in internal coding agents—analyzing real-world deployments to detect risks and strengthen AI safety safeguards.
OpenAI to acquire Astral
Title: OpenAI to acquire Astral
Equipping workers with insights about compensation
Americans are sending nearly 3 million messages to ChatGPT each day to help them close the wage information gap.
OpenAI Japan announces Japan Teen Safety Blueprint to put teen safety first
Strengthening age-appropriate protections, parental support, and well-being-centered design in Japan.
Introducing GPT-5.4 mini and nano
Title: Introducing GPT-5.4 mini and nano
Why Codex Security Doesn’t Include a SAST Report
Title: Why Codex Security Doesn’t Include a SAST Report
Latest ChatGPT videos
621 published videos
YouTube
ChatGPT Futures, Class of 2026: The Next Generation of AI Leaders
We asked the ChatGPT Futures Class of 2026 what they hope AI helps people do next. Their answers came back to access, education, connection, and possibility: AI that helps close gaps instead of widening them, gives more people the tools to...
YouTube
How Omio is building the future of conversational travel
What happens when one of the world's leading travel platforms combines real-time transportation data with AI? In this customer story, Omio shares how it's using ChatGPT, Codex, and the OpenAI API to reimagine how travelers discover and boo...
YouTube
Meet the ChatGPT Futures, Class of 2026
The next generation is already building the future with AI. The ChatGPT Futures Class of 2026 came together in San Francisco to share the ideas they're pursuing, the projects they're building, and the experiences that inspired them to star...
YouTube
How Zendesk CEO Tom Eggemeier goes from Idea to Action
We’re excited to launch our new Monday Morning series, a leadership first take on going from idea to action in the AI era. First up is Tom Eggemeier, CEO at Zendesk who shares the one question that every CEO should ask of their board, and t...
YouTube
How Zendesk CEO Tom Eggemeier Goes from Idea to Action
We’re excited to launch our new Monday Morning series, a leadership first take on going from idea to action in the AI era. First up is Tom Eggemeier, CEO at Zendesk who shares the one question that every CEO should ask of their board, and...
YouTube
What Codex Unlocks for NTT Data
After introducing Codex, it grew to more than 10,000 active users and became one of the largest internal community in just a few months." We chatted with Hiroaki Sato, Head of the AI CoE at NTT DATA who gave us insight into all of the new...
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.
