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
1,102 published updates
Introducing GPT‑5 for developers
The best model for coding and agentic tasks.
GPT-5 and the new era of work
Title: GPT-5 and the new era of work
Providing ChatGPT to the entire U.S. federal workforce
First-of-its-kind partnership with General Services Administration will give federal agencies access to ChatGPT Enterprise for $1 for the next year
Open weights and AI for all
AI’s next frontier isn’t just about capability—it’s about who gets to use it. Our mission to put AI in the hands of as many people as possible is what drives us. Today’s release of our most capable open-weights models is a major step forward that makes advanced AI more open, flexible, and accessible worldwide.
gpt-oss-120b & gpt-oss-20b Model Card
Title: gpt-oss-120b & gpt-oss-20b Model Card
Estimating worst case frontier risks of open weight LLMs
Read the paper(opens in a new window)
Latest ChatGPT videos
739 published videos
YouTube
You can just keep the work moving
ChatGPT Work keeps projects moving. Monitoring what matters, surfacing what needs attention, and picking up where your team leaves off.
YouTube
How Base44 Uses GPT-5.6 to Build Apps With 20% Fewer Tokens
Base44 helps people turn natural language into production-ready applications and custom AI agents—no coding required. In this Startup Spotlight, Yoav Farhi, Staff AI Engineer at Base44, shares how the team tested GPT-5.6 across a wide rang...
YouTube
Previewing Ultrafast mode: GPT‑5.6 Sol at up to 14X the speed
Today we’re previewing Ultrafast mode, a new service tier in the OpenAI API for GPT‑5.6 Sol. Powered by Cerebras, Ultrafast runs up to 14x faster than Standard processing and generates up to 750 output tokens per second. OpenAI technical s...
YouTube
Inside Cricket’s Smartest Backroom | Rajasthan Royals | ChatGPT @rajasthanroyals
What gives one of cricket’s smartest teams its edge before the first ball is bowled? Go behind the scenes with Rajasthan Royals as Kumar Sangakkara and the franchise’s analytics and technology teams reveal how ChatGPT and OpenAI tools supp...
YouTube
Computer History in ChatGPT
Codex & ChatGPT can now understand the context around what you’re working on. When you opt in to Computer History, it can help you pick up where you left off, get back to unfinished projects, and see suggested skills or scheduled tasks bas...
YouTube
Previewing Ultrafast mode: GPT‑5.6 Sol at up to 14X the speed
“There’s an old adage that performance can be a feature because when something becomes fast enough, it changes behavior.” Today we’re previewing Ultrafast mode, a new service tier in the OpenAI API for GPT‑5.6 Sol. Powered by Cerebras, Ult...
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.
