Large language models

A new era of intelligence with Gemini 3

Intuit and OpenAI join forces on new AI-powered experiences

OpenAI and Intuit have entered a $100M+ multi-year partnership to launch Intuit app experiences in ChatGPT and expand Intuit’s use of OpenAI’s frontier models to power personalized financial tools.

How OpenAI uses ChatGPT Atlas at work

Watch a webinar on how OpenAI uses ChatGPT Atlas at work.

OpenAI named Emerging Leader in Generative AI

OpenAI has been named an Emerging Leader in Gartner’s 2025 Innovation Guide for Generative AI Model Providers. The recognition reflects our enterprise momentum, with over 1 million companies building with ChatGPT.

SIMA 2: An Agent that Plays, Reasons, and Learns With You in Virtual 3D Worlds

Introducing SIMA 2, a Gemini-powered AI agent that can think, understand, and take actions in interactive environments.

How Philips is scaling AI literacy across 70,000 employees

Philips is scaling AI literacy with ChatGPT Enterprise, training 70,000 employees to use AI responsibly and improve healthcare outcomes worldwide.

Introducing GPT-5.1 for developers

GPT-5. 1 is now available in the API, bringing faster adaptive reasoning, extended prompt caching, improved coding performance, and new apply_patch and shell tools.

Introducing group chats in ChatGPT

Collaborate with others, and ChatGPT, in the same conversation.

Neuro drives national retail wins with ChatGPT Business

Neuro uses ChatGPT Business to scale nationwide with fewer than 70 employees, saving time, reducing costs, and turning faster execution across sales and operations into growth.

Fighting the New York Times’ invasion of user privacy

OpenAI is fighting the New York Times’ demand for 20 million private ChatGPT conversations and accelerating new security and privacy protections to protect your data.

GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum

This GPT-5 system card addendum provides updated safety metrics for GPT-5. 1 Instant and Thinking, including new evaluations for mental health and emotional reliance.

GPT-5.1: A smarter, more conversational ChatGPT

We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.

How AI is giving Northern Ireland teachers time back

A six-month long pilot program with the Northern Ireland Education Authority’s C2k initiative found that integrating Gemini and other generative AI tools saved participating teachers an average of 10 hours per week.

Free ChatGPT for transitioning U.S. servicemembers and veterans

OpenAI is offering U. S.

Notion’s GPT‑5 rebuild unlocks autonomous AI workflows

Notion rebuilt its AI architecture with GPT-5 to create agents that reason, act, and adapt across workflows, unlocking faster and more flexible productivity in Notion 3. 0.

How CRED is tapping AI to deliver premium customer experiences

CRED is improving premium customer experiences in India with OpenAI, using GPT-powered tools to boost support accuracy, cut response times, and raise customer satisfaction.

1 million business customers putting AI to work

More than 1 million business customers around the world now use OpenAI. Across healthcare, life sciences, financial services, and more, ChatGPT and our APIs are driving a new era of intelligent, AI-powered work.

Beyond Standard LLMs

Linear Attention Hybrids, Text Diffusion, Code World Models, and Small Recursive Transformers

RL without TD learning

In this post, I’ll introduce a reinforcement learning (RL) algorithm based on an “alternative” paradigm: divide and conquer . Unlike traditional methods, this algorithm is not based on temporal difference (TD) learning (which has scalability challenges ), and scales well to long-horizon tasks.

How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas

A deep dive into OWL, the new architecture powering ChatGPT Atlas—decoupling Chromium, enabling fast startup, rich UI, and agentic browsing with ChatGPT.