Large Language Models

OpenAI and Japan’s Digital Agency partner to advance generative AI in public services, support international AI governance, and promote safe, trustworthy AI ado

1.33 brings compression by default for optimal resource utilization, powerful 1-bit rotational quantization (RQ), streamlined server-side batch imports, enhance

Samsung and SK join OpenAI’s Stargate initiative to expand global AI infrastructure, scaling advanced memory chip production and building next-gen data centers

Sora 2 is our new state of the art video and audio generation model. Building on the foundation of Sora, this new model introduces capabilities that have been d

To address the novel safety challenges posed by a state-of-the-art video model as well as a new social creation platform, we’ve built Sora 2 and the Sora app wi

Our latest video generation model is more physically accurate, realistic, and controllable than prior systems. It also features synchronized dialogue and sound

At OpenAI, we rely on our own technology to help streamline work, scale expertise, and drive outcomes. In our new series, OpenAI on OpenAI, we share lessons to

OpenAI’s research assistant helps teams analyze millions of support tickets, surface insights faster, and scale curiosity across the company.

Learn how OpenAI used AI to deliver personalized answers at scale, converting inbound leads into customers.

We’re rolling out parental controls and a new parent resource page to help families guide how ChatGPT works in their homes.

Discover how OpenAI combats online child sexual exploitation and abuse with strict usage policies, advanced detection tools, and industry collaboration to block

We’re taking first steps toward agentic commerce in ChatGPT with new ways for people, AI agents, and businesses to shop together.

ChatGPT business plans now support shared projects, smarter connectors, and enhanced compliance features to help teams work faster and more securely.

OpenAI introduces GDPval, a new evaluation that measures model performance on real-world economically valuable tasks across 44 occupations.

Today we're releasing a preview of ChatGPT Pulse to Pro users on mobile. Pulse is a new experience where ChatGPT proactively does research to deliver personaliz

Hands-on patterns: LLM-as-Judge with LangChain and W&B

By deploying ChatGPT Enterprise, ENEOS Materials transformed operations with faster research, safer plant design, and streamlined HR processes. Over 80% of empl

SAP and OpenAI launch OpenAI for Germany, a 2026 partnership to bring secure, sovereign AI to Germany’s public sector, enabling safe, efficient public services.

OpenAI, Oracle, and SoftBank announce five new Stargate AI datacenter sites, accelerating a $500B, 10-gigawatt U.S. infrastructure buildout to power next-genera

In this Executive Function series from OpenAI, discover how CNA is transforming its newsroom with AI. Editor-in-Chief Walter Fernandez shares insights on AI ado

Discover how SchoolAI, built on OpenAI’s GPT-4.1, image generation, and TTS, powers safe, teacher-guided AI tools for 1 million classrooms worldwide—boosting en

OpenAI and NVIDIA announce a strategic partnership to deploy 10 gigawatts of AI datacenters powered by NVIDIA systems, with the first phase launching in 2026.

Apollo Research and OpenAI developed evaluations for hidden misalignment (“scheming”) and found behaviors consistent with scheming in controlled tests across fr

Find the best models and collections with a single API call.

OpenAI, NVIDIA, and Nscale launch Stargate UK, a sovereign AI infrastructure partnership delivering up to 50,000 GPUs and the UK’s largest supercomputer to powe

Explore OpenAI’s approach to balancing teen safety, freedom, and privacy in AI use.

Learn how OpenAI is building age prediction and parental controls in ChatGPT to create safer, age-appropriate experiences for teens while supporting families wi

New research from the largest study of ChatGPT use shows how the tool creates economic value through both personal and professional use. Adoption is broadening

This addendum to the GPT-5 system card shares a new model: GPT-5-Codex, a version of GPT-5 further optimized for agentic coding in Codex. GPT-5-Codex adjusts it

OpenAI shares progress on the partnership with the US CAISI and UK AISI to strengthen AI safety and security.

OpenAI reaffirms its nonprofit leadership with a new structure granting equity in its PBC, enabling over $100B in resources to advance safe, beneficial AI for h

OpenAI and Microsoft sign a new MOU, reinforcing their partnership and shared commitment to AI safety and innovation.

Discover how SafetyKit leverages OpenAI GPT-5 to enhance content moderation, enforce compliance, and outpace legacy safety systems with greater accuracy .

Applications are now open for OpenAI’s People-First AI Fund, a $50M initiative supporting U.S. nonprofits advancing education, community innovation, and economi

OpenAI’s new research explains why language models hallucinate. The findings show how improved evaluations can enhance AI reliability, honesty, and safety.

OpenAI invites researchers to its Bio Bug Bounty. Test GPT-5’s safety with a universal jailbreak prompt and win up to $25,000.

OpenAI and the Greek Government have launched “OpenAI for Greece” to bring ChatGPT Edu into secondary schools and support responsible AI learning. This partners

OpenAI is launching a Jobs Platform and new Certifications to connect workers with jobs, training, and certifications. Learn how we’re expanding economic opport

Learn how chunking strategies improve LLM RAG pipelines, retrieval quality, and agent memory performance across production AI systems.

We’re partnering with experts, strengthening protections for teens with parental controls, and routing sensitive conversations to reasoning models in ChatGPT.