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
Built for SF by SF: AI Solutions Helping Our City Thrive
No city embraces the future like San Francisco. Get inspired by local developers using AI to tackle real challenges: making SF services work, improving housing options, and strengthening community.
YouTube
Evals in Action: From Frontier Research to Production Applications
How do you measure progress when you're operating at the frontier? Step inside the evolving world of AI evaluation, where benchmarks are being redefined to capture reasoning, reliability, and model progress in real-world task performance.
YouTube
Sora, ImageGen, and Codex: The Next Wave of Creative Production
AI is changing how quickly creative ideas can become reality. In this session, we’ll walk through how we built a custom creative tool for film, media, and brand campaign workflows. We’ll share lessons from rapid prototyping with modern tool...
YouTube
AMA: Scaling AI Applications into the Enterprise
Join a live AMA with Decagon & Clay founders and an Andreessen Horowitz investor on cracking enterprise AI adoption—why many enterprise AI pilots fail, what founders get wrong, and how they scaled to become unicorns.
YouTube
Model Behavior: The Science of AI Style
Why does ChatGPT sound the way it does? Go behind the scenes to see how the style a model emerges, the trade-offs researchers weigh, and what the future of tone and voice in human-AI interaction could look like.
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...
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.