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
Introducing GPT-5.5 with Perplexity
“I thought building this internal tool was going to take me days…but with Codex and GPT-5.5, I was able to do it in under an hour.” Denis from Perplexity saw GPT-5.5 cut token usage by 56% while running the same agentic workflows faster an...
YouTube
Workspace agents in ChatGPT: Weekly metrics reporting agent
Watch a guided walkthrough of an agent that pulls Friday metrics, creates charts, drafts the narrative, and delivers a ready-to-share business report.
YouTube
Workspace agents in ChatGPT: Software review agent
Introducing workspace agents in ChatGPT—Codex-powered agents for teams. Watch a guided walkthrough of an agent that reviews software requests, checks policy, routes approvals, and opens IT tickets with clear next steps.
YouTube
Workspace agents in ChatGPT: Third-party risk management agent
Introducing workspace agents in ChatGPT—Codex-powered agents for teams. Watch a guided walkthrough of an agent that screens vendors for sanctions, financial, and reputational risk, then turns the findings into a clear report.
YouTube
Introducing GPT-5.5 with NVIDIA's AI Researcher
While Shaunak Joshi grabbed a snack, GPT-5.5 in Codex refactored his entire code base. GPT-5.5 is our smartest and most intuitive model and NVIDIA AI researchers are seeing a 10x speed improvement in running experiments. “The magic mome...
YouTube
Introducing GPT-5.5 with NVIDIA
"GPT-5.5’s superpower is that it can just get things done.” It’s so cool to see how masters of the AI universe like NVIDIA’s Dennis Hannusch are leveraging GPT-5.5-Codex for complex engineering tasks. Be like Dennis. Build with GPT-5.5:...
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.
