Large Language Models

OpenAI introduces the first research cases showing how GPT-5 accelerates scientific progress across math, physics, biology, and computer science. Explore how AI

Learn how to use the Dify and Weaviate integration to build RAG applications.

OpenAI works with independent experts to evaluate frontier AI systems. Third-party testing strengthens safety, validates safeguards, and increases transparency

Learn how evals help businesses define, measure, and improve AI performance—reducing risk, boosting productivity, and driving strategic advantage.

OpenAI and Target are partnering to bring a new Target app to ChatGPT, offering personalized shopping and faster checkout. Target will also expand its use of Ch

ChatGPT for Teachers is a secure workspace with education‑grade privacy and admin controls. Free for verified U.S. K–12 educators through June 2027.

This system card outlines the comprehensive safety measures implemented for GPT‑5.1-CodexMax. It details both model-level mitigations, such as specialized safet

Introducing GPT-5.1-Codex-Max, a faster, more intelligent agentic coding model for Codex. The model is designed for long-running, project-scale work with enhanc

Description: Global manufacturer Scania is scaling AI with ChatGPT Enterprise. With team-based onboarding and strong guardrails, AI is boosting productivity, qu

Google DeepMind opens a new Singapore research lab, accelerating AI progress in the Asia-Pacific region.

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 t

OpenAI has been named an Emerging Leader in Gartner’s 2025 Innovation Guide for Generative AI Model Providers. The recognition reflects our enterprise momentum,

OpenAI is exploring mechanistic interpretability to understand how neural networks reason. Our new sparse model approach could make AI systems more transparent

We’re piloting group chats in ChatGPT to make collaboration simple. Bring others—and ChatGPT—into one shared conversation to plan, brainstorm, and create togeth

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 too

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

Neuro uses ChatGPT Business to scale nationwide with fewer than seventy employees. From drafting contracts to uncovering insights in customer data, the team sav

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

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 reli

We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid u

1.34 introduces flat index support with RQ quantization, server-side batching improvements, new client libraries, Contextual AI integration and much more.

OpenAI is offering U.S. servicemembers and veterans within 12 months of retirement or separation a free year of ChatGPT Plus to support their transition to civi

Prompt injections are a frontier security challenge for AI systems. Learn how these attacks work and how OpenAI is advancing research, training models, and buil

Discover how Notion rebuilt its AI architecture with GPT-5 to create autonomous agents that reason, act, and adapt across workflows. Learn how this shift unlock

Large language models make it remarkably easy to generate code. Ask ChatGPT or Claude to build an application, and you’ll receive hundreds of lines of working c

BBVA is reimagining how employees work with ChatGPT Enterprise, embedding AI into everyday operations. The bank has saved hours per week per employee, created 2

AI is advancing fast. We have the chance to shape its progress—toward discovery, safety, and a better future for everyone.

Discover OpenAI’s Teen Safety Blueprint—a roadmap for building AI responsibly with safeguards, age-appropriate design, and collaboration to protect and empower

What building AI apps with Weaviate and cooking have in common? Let’s find out!

CRED is transforming premium customer experiences in India with OpenAI. Using GPT-powered tools, the company is improving support accuracy, reducing response ti

Vineet Mehra, Chief Marketing Officer at Chime, shares how AI is reshaping marketing into an agent-driven discipline. He explains why CMOs who champion AI liter

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

Brazil is now one of the most engaged countries in the world when it comes to AI. From classrooms to farms and small businesses, Brazilians are using OpenAI pro

OpenAI and AWS have entered a multi-year, $38 billion partnership to scale advanced AI workloads. AWS will provide world-class infrastructure and compute capaci

In this post, I’ll introduce a reinforcement learning (RL) algorithm based on an “alternative” paradigm: <strong

OpenAI is expanding Stargate to Michigan with a new one-gigawatt campus that strengthens America’s AI infrastructure. The project will create jobs, drive invest

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

Learn how Confluent’s Streaming Agents and Weaviate combine real-time context with semantic understanding for agentic AI.

The initiative brings together some of the world's most prestigious research institutions to pioneer the use of AI in mathematical research.

OpenAI introduces gpt-oss-safeguard—open-weight reasoning models for safety classification that let developers apply and iterate on custom policies.

gpt-oss-safeguard-120b and gpt-oss-safeguard-20b are two open-weight reasoning models post-trained from the gpt-oss models and trained to reason from a provided

Dai Nippon Printing (DNP) rolled out ChatGPT Enterprise across ten core departments to drive companywide adoption. Within three months, it achieved 95% faster p

Discover how Doppel uses OpenAI’s GPT-5 and reinforcement fine-tuning (RFT) to stop deepfake and impersonation attacks before they spread, cutting analyst workl

Microsoft and OpenAI sign a new agreement that strengthens its long-term partnership, expands innovation, and ensures responsible AI progress.

OpenAI’s recapitalization strengthens mission-focused governance, expanding resources to ensure AI benefits everyone while advancing innovation responsibly.

Meeting the demands of the Intelligence Age will require strategic investment in energy and infrastructure. OpenAI’s submission to the White House details how e

OpenAI collaborated with 170+ mental health experts to improve ChatGPT’s ability to recognize distress, respond empathetically, and guide users toward real-worl