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
Building OpenAI o1 (Extended Cut)
Top row (left to right): Mark Chen, Giambattista Parascandolo, Trapit Bansal, Łukasz Kaiser, Hunter Lightman, Karl Cobbe, Łukasz Kondraciuk, Szymon Sidor, Noam Brown, Hongyu Ren, Liam Fedus, Hyung Won Chung Bottom row (left to right): Ilge...
YouTube
Building OpenAI o1
Top row (left to right): Mark Chen, Giambattista Parascandolo, Trapit Bansal, Łukasz Kaiser, Hunter Lightman, Karl Cobbe, Łukasz Kondraciuk, Szymon Sidor, Noam Brown, Hongyu Ren, Liam Fedus, Hyung Won Chung Bottom row (left to right): Ilge...
YouTube
Korean Cipher with OpenAI o1
Say hello to OpenAI o1—a new series of AI models designed to spend more time thinking before they respond. This new series of AI models can reason through complex tasks and solve harder problems than previous models in science, coding, and...
YouTube
Scott Wu: OpenAI o1 & Coding
Say hello to OpenAI o1—a new series of AI models designed to spend more time thinking before they respond. This new series of AI models can reason through complex tasks and solve harder problems than previous models in science, coding, and...
YouTube
Video Game Coding with OpenAI o1
Say hello to OpenAI o1—a new series of AI models designed to spend more time thinking before they respond. This new series of AI models can reason through complex tasks and solve harder problems than previous models in science, coding, and...
YouTube
Math with OpenAI o1
Say hello to OpenAI o1—a new series of AI models designed to spend more time thinking before they respond. This new series of AI models can reason through complex tasks and solve harder problems than previous models in science, coding, and...
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.
