OpenAI events

OpenAI says an unreleased model solved the Navier-Stokes problem

OpenAI launches ChatGPT Images 2.5

OpenAI's chief scientist says no lab has solved alignment

Independent researchers reveal OpenAI agents ran a hidden message board on a German wiki

OpenAI releases GPT-6 Astra, its first model rated Critical for cyber

OpenAI moves to cut off Cursor's model access after the SpaceX deal

More than a hundred companies sign a call for collective action on cyber defense

OpenAI publishes its postmortem on the Hugging Face breach

OpenAI publishes first benchmarks for its Jalapeño inference chip

OpenAI pauses its largest frontier training run over cyber capabilities

ChatGPT for Teens rolls out with age gating and parental controls

Nvidia backs a $105 billion Ohio data center built for OpenAI

IBM puts OpenAI models inside its consulting business

ChatGPT Ads launches

OpenAI ships an offensive security model behind a gate

An unreleased OpenAI model produces ten advances in mathematics

OpenAI says its models reach a billion active users

OpenAI cuts Luna's price by 80 percent

Lab employees ask Washington for a brake they can pull later

A model evaluation turns into a security incident

Apple sues OpenAI over departed employees

GPT-5.6 reaches the public

OpenAI launches ChatGPT Work, an agent for multi-hour office tasks

OpenAI ships GPT-Live, a full-duplex voice model for ChatGPT

Frontier access starts requiring a background check

OpenAI unveils Jalapeño, its first chip, built with Broadcom

The United States puts export controls on frontier models

OpenAI confidentially files for an IPO

An OpenAI model disproves an eighty-year-old conjecture

OpenAI offers every YC startup $2 million in tokens for equity

OpenAI starts selling compute the way clouds sell it

Musk loses his case against OpenAI

Codex arrives in the ChatGPT mobile app

OpenAI starts a consulting firm

OpenAI explains the goblins

OpenAI's models reach AWS as Microsoft exclusivity ends

OpenAI releases GPT-5.5

GPT Image 2 reasons before it draws

Two attacks on Sam Altman's home in three days

OpenAI closes a $122 billion round

OpenAI shuts down Sora

OpenAI acquires Astral, the maker of uv and Ruff

OpenAI acquires Promptfoo

OpenAI releases GPT-5.4

OpenAI signs with the Department of War

OpenClaw's creator joins OpenAI

GPT-5.2 helps derive a new result in theoretical physics

OpenAI starts testing ads in ChatGPT

OpenAI launches Frontier

GPT-5.3-Codex ships the same day as Claude Opus 4.6

Thinking Machines Lab loses two co-founders back to OpenAI

OpenAI signs a multi-year inference deal with Cerebras

An Erdős problem falls to a machine

OpenAI opens a health wing inside ChatGPT

ChatGPT opens an app store to outside developers

OpenAI ships GPT Image 1.5, four times faster than its predecessor

GPT-5.2 answers Gemini 3 in three weeks

Disney licenses its characters into Sora

OpenAI, Anthropic and Block put their agent standards under one roof

OpenAI calls a code red over Gemini

Larry Summers resigns from OpenAI's board over Epstein emails

OpenAI ships GPT-5.1-Codex-Max for long coding sessions

OpenAI ships GPT-5.1 with a warmer default

SoftBank sells all of its Nvidia to pay for OpenAI

OpenAI turns to AWS for $38 billion in compute

OpenAI's for-profit becomes a public benefit corporation

OpenAI acquires Sky, a natural language interface for Mac

OpenAI ships a browser built around ChatGPT

OpenAI and Broadcom agree to co-develop 10 gigawatts of AI chips

OpenAI opens ChatGPT to third-party apps at DevDay

OpenAI ships AgentKit, a toolkit for building AI agents

AMD gives OpenAI equity for buying AMD chips

OpenAI's secondary share sale values it at $500 billion

Samsung and SK hynix join OpenAI's Stargate project

OpenAI launches Sora 2 with a social app

OpenAI launches ChatGPT Pulse, a proactive daily briefing

OpenAI, Oracle and SoftBank add five Stargate data center sites

Nvidia commits up to $100 billion to OpenAI

OpenAI ships GPT-5-Codex for its Codex coding agent

OpenAI and Microsoft agree on terms for a for-profit restructuring

FTC opens inquiry into AI companion chatbots and children

OpenAI buys Statsig for $1.1 billion

xAI sues Apple and OpenAI over App Store rankings

GPT-5 hides the model picker, briefly

The US government buys ChatGPT Enterprise for a dollar

OpenAI releases gpt-oss, its first open weights since GPT-2

ChatGPT adds a Study Mode that withholds answers until you engage

OpenAI confirms it will pay Oracle $30 billion a year for data centers

Gemini Deep Think takes gold at the math olympiad

OpenAI merges Operator and Deep Research into ChatGPT Agent

Google hires Windsurf's CEO after OpenAI's acquisition collapses

OpenAI ships o3-pro, a slower and more thorough reasoning model

Sam Altman says humanity is past the event horizon

OpenAI announces Stargate UAE, a 1-gigawatt Abu Dhabi data center

A researcher uses OpenAI's o3 to find a real Linux kernel zero-day

OpenAI buys Jony Ive's hardware startup for $6.5 billion

OpenAI launches Codex, a cloud-based software engineering agent

OpenAI agrees to buy coding startup Windsurf for $3 billion

OpenAI abandons for-profit conversion, nonprofit keeps control

OpenAI reverts a GPT-4o update after a sycophancy backlash

OpenAI brings native image generation to the API

OpenAI ships Codex CLI, an open-source coding agent for the terminal

o3 and o4-mini use tools inside the reasoning

OpenAI launches GPT-4.1 in the API

OpenAI closes a $40 billion round at a $300 billion valuation

GPT-4o gets native image generation and sets off a Studio Ghibli trend

GPT-4.5 expands from ChatGPT Pro to Plus subscribers

OpenAI unveils GPT-4.5, its largest model, at a steep price

Musk-led group offers $97.4 billion for OpenAI's nonprofit

OpenAI launches Deep Research, an agent that browses and writes reports

OpenAI ships o3-mini, a cheaper reasoning model with a free tier

Microsoft and OpenAI investigate DeepSeek over possible distillation

OpenAI launches ChatGPT Gov for US government agencies

Operator drives the browser instead of calling an API

Stargate commits $500 billion to data centers

Sam Altman says OpenAI now knows how to build AGI

OpenAI announces plan to become a for-profit company

OpenAI announces o3 and o3-mini, skipping straight past o2

ChatGPT gets a phone number anyone can call

ChatGPT's voice mode learns to see through your camera and screen

ChatGPT arrives inside Siri as Apple Intelligence expands

OpenAI launches Sora to the public

OpenAI launches ChatGPT Pro and the full o1 model

Five Canadian news organizations sue OpenAI over copyright

OpenAI whistleblower Suchir Balaji found dead in San Francisco

Artists leak access to OpenAI's Sora video model in protest

Physical Intelligence raises $400 million to build a foundation model for robots

OpenAI launches ChatGPT Search

OpenAI designs a custom AI chip with Broadcom and TSMC

GitHub Copilot adds Claude and Gemini alongside GPT models

ChatGPT gets Canvas, a workspace for writing and code

OpenAI raises $6.6 billion at a $157 billion valuation

OpenAI DevDay debuts a Realtime API for voice apps

o1 trades inference time for reasoning

Apple announces Apple Intelligence, with ChatGPT inside

OpenAI reports covert influence operations using its models

OpenAI forms a safety committee as its next frontier model trains

OpenAI signs News Corp, the biggest publisher deal yet

Frontier labs sign the Seoul safety commitments

OpenAI pulls ChatGPT's Sky voice

OpenAI signs Reddit for data and distribution

Ilya Sutskever leaves OpenAI and the superalignment team dissolves

GPT-4o talks back in real time

OpenAI publishes the first Model Spec

Stack Overflow licenses its answers to OpenAI

Eight Alden Global Capital newspapers sue OpenAI and Microsoft

Sora generates a minute of coherent video

OpenAI's board fires Sam Altman, briefly

OpenAI's first DevDay introduces GPTs

GPT-4 arrives with a technical report that says nothing

Microsoft extends the OpenAI partnership by a reported $10 billion

OpenAI launches ChatGPT

DALL·E 2 makes the waitlist a status symbol

OpenAI opens Codex to a private beta

GitHub Copilot writes code in the editor

OpenAI ships DALL·E and CLIP on the same day

OpenAI sells access instead of weights

GPT-3 learns tasks from the prompt

Microsoft invests $1 billion in OpenAI

OpenAI withholds GPT-2 and starts an argument

OpenAI pretrains a transformer on unlabeled text

OpenAI is founded as a nonprofit