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
1,027 published updates
How GPT-5 helped immunologist Derya Unutmaz solve a 3-year-old mystery
Title: How GPT-5 helped immunologist Derya Unutmaz solve a 3-year-old mystery
Helping build shared standards for advanced AI
Title: Helping build shared standards for advanced AI
How Omio is building the future of conversational travel
Title: How Omio is building the future of conversational travel
Daybreak: Tools for securing every organization in the world
Title: Daybreak: Tools for securing every organization in the world
Patch the Planet: a Daybreak initiative to support open source maintainers
Title: Patch the Planet: a Daybreak initiative to support open source maintainers
Codex-maxxing for long-running work
How Codex helps work continue beyond a single prompt
Latest ChatGPT videos
621 published videos
YouTube
Why Tejal Patwardhan stopped underestimating the models - Episode 21
The old tests are getting too easy. Tejal Patwardhan leads OpenAI’s frontier evals team, which is finding new ways to measure and forecast progress as models become more capable. She and host Andrew Mayne discuss why evals matter for resear...
YouTube
Build and test iOS apps without leaving Codex
More of the iOS app loop, now inside Codex. The Build iOS Apps plugin lets Codex view and test your iOS app in the in-app browser, open SwiftUI previews, and hot reload edits without leaving Codex. Shoutout to the open source projects beh...
YouTube
How Wayfair Uses GPT-5.5 to Power Catalog Enrichment Across 40M Products
Fiona Tan and her @wayfair team are leveraging GPT-5.5 and our API to power their catalog enrichment program across 40M products — helping improve how product information is organized, differentiated, and understood. Next up? Pointing Code...
YouTube
Codex as a Solutions Engineering Partner
“A big part of my role as a solutions engineer is not only to build but to understand,” Stephanie Anani, Solutions Engineer, OpenAI. Stephanie points Codex to Trustpilot reviews and will mock up a customer website based on the feedback to...
YouTube
How Payward Ships Faster with Codex
"Without Codex, we probably would be six months behind where we are today." Kamo Asatryan and his team are building the core infrastructure to power inference across all products at Payward. Speed is the #1 value for his team and Codex ha...
YouTube
Analyze earnings and update your investment thesis with Codex
See how the public equity investing plugin for Codex turns a company’s latest quarter into a post-earnings analysis. Using connected data from sources like Quartr, Daloopa, and S&P Global, Codex evaluates a company’s growth drivers, guida...
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.