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
1,036 published updates
Neural MMO: A massively multiagent game environment
We’re releasing a Neural MMO, a massively multiagent game environment for reinforcement learning agents. Our platform supports a large, variable number of agents within a persistent and open-ended task. The inclusion of many agents and species leads to better exploration, divergent niche formation, and greater overall competence.
Spinning Up in Deep RL: Workshop review
On February 2, we held our first Spinning Up Workshop as part of our new education initiative at OpenAI.
AI safety needs social scientists
We’ve written a paper arguing that long-term AI safety research needs social scientists to ensure AI alignment algorithms succeed when actual humans are involved. Properly aligning advanced AI systems with human values requires resolving many uncertainties related to the psychology of human rationality, emotion, and biases. The aim of this paper is to spark further collaboration between machine learning and social science researchers, and we plan to hire social scientists to work on this full time at OpenAI.
Better language models and their implications
We’ve trained a large-scale unsupervised language model which generates coherent paragraphs of text, achieves state-of-the-art performance on many language modeling benchmarks, and performs rudimentary reading comprehension, machine translation, question answering, and summarization—all without task-specific training.
Computational limitations in robust classification and win-win results
OpenAI Fellows Summer 2018: Final projects
Our first cohort of OpenAI Fellows has concluded, with each Fellow going from a machine learning beginner to core OpenAI contributor in the course of a 6-month apprenticeship.
Latest ChatGPT videos
628 published videos
YouTube
Codex for Solutions Engineers: Making AI Tangible for Customers
"As a solutions engineer, my job is to make customers believe our technology can take them where they want to go. Codex helps me turn raw, messy context - customer emails, industry signals, product information, and even Trustpilot reviews -...
YouTube
Setup with ChatGPT
YouTube
Grow With ChatGPT
YouTube
Advent Accelerates Deals with ChatGPT + Codex
ChatGPT + Codex are a one-two punch for investment firms. "Having the ability to connect your deal folder with all of the context, and then be able to ask ChatGPT and Codex real time questions has been really impactful to our workflows,"...
YouTube
Builders Unscripted: Ep. 4 - Pietro Schirano
Pietro Schirano, Founder & CEO of MagicPath sits down with Romain Huet to talk about pushing the creative edges of GPT-5.5 and using Codex to turn ideas into software. 03:45 Images into sound 07:57 Multi-agent Codex workflows 14:34 Revivin...
YouTube
Verso, l'entreprise qui ne dort jamais
Découvrez comment Verso développe une entreprise véritablement AI-native. Lors de cette session enregistrée lors de l'événement OpenAI France en juin 2026, Lydia Bellahouel, cofondatrice et CEO de Verso, partage la manière dont son équipe s...
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.