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
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...
YouTube
Orchestrating Agents at Scale
Click, connect, create. Learn how to quickly design and deploy enterprise-grade agents with a new suite of agentic platform tools.
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.
