Large Language Models

As part of our Executive Function series, Model ML CEO Chaz Englander discusses how AI-native infrastructure and autonomous agents are transforming financial se

OpenAI DevDay returns on October 6, 2025 in San Francisco—bringing together 1,500+ developers to preview new tools, hear from OpenAI leaders, and shape the futu

OpenAI and Penda Health debut an AI clinical copilot that cuts diagnostic errors by 16% in real-world use—offering a new path for safe, effective AI in healthca

Analysis provides insights into ChatGPT’s impact on the economy. OpenAI also launches new research collaboration to study AI’s broader effects on the labor mark

1.32 adds collection aliases for no-downtime collection migrations, efficient & powerful rotational quantization (RQ), GA replica movement, memory reduction wit

OpenAI partners with the UK Government to boost AI adoption, drive economic growth, and enhance public services for a thriving AI ecosystem in the UK.

I’ve always considered myself a pragmatic technologist—someone who loves technology not for its own sake, but for the direct impact it can have on people’s live

Introducing ChatGPT agent: it thinks and acts, using tools to complete tasks like research, bookings, and slideshows—all with your guidance.

ChatGPT agent System Card: OpenAI’s agentic model unites research, browser automation, and code tools with safeguards under the Preparedness Framework.

Invideo AI uses OpenAI’s GPT-4.1, gpt-image-1, and text-to-speech models to transform creative ideas into professional videos in minutes.

The Board of Directors thanks the members of the independent OpenAI Nonprofit Commission for their extensive work and engagement.

At OpenAI, we build tools to help people solve hard problems—including nonprofits working on the frontlines of their communities. The OpenAI Academy is teaming

A deep-dive into the Taylor Seer optimization technique

ChatGPT is designed to be useful, trustworthy, and adaptable—so you can make it your own.

OpenAI joins the EU Code of Practice, advancing responsible AI while partnering with European governments to drive innovation, infrastructure, and economic grow

How Weaviate's day zero, day one, day two mindset helps developers build AI-native applications.

It's hard keeping up with every new video model. In this post we'll help you pick the best one for your needs.

How we built cross-platform vector search and syncing for a thinking tool using Weaviate, RAG, and multi-tenant architecture.

Learn how Genspark built a $36M ARR AI product in 45 days—with no-code agents powered by GPT-4.1 and OpenAI Realtime API.

We hosted a hackathon with BFL for FLUX.1 Kontext. Here were the winners.

Retell AI is transforming the call center with AI voice automation powered by GPT-4o and GPT-4.1. Its no-code platform enables businesses to launch natural, rea

Announcing Weaviate Enterprise Cloud new HIPAA compliance on AWS, enabling secure PHI storage, search, and vector-powered AI for healthcare workloads.

We’re introducing an efficient, on-device robotics model with general-purpose dexterity and fast task adaptation.

Unify, an AI-powered GTM platform, uses OpenAI’s o3, GPT-4.1, and CUA to automate prospecting, research, and outreach. With hyper-personalized messaging and an

We study how training on incorrect responses can cause broader misalignment in language models and identify an internal feature driving this behavior—one that c

Advanced AI can transform biology and medicine—but also raises biosecurity risks. We’re proactively assessing capabilities and implementing safeguards to preven

Explore the latest Gemini 2.5 model updates with enhanced performance and accuracy: Gemini 2.5 Pro now stable, Flash generally available, and the new Flash-Lite

Gemini 2.5 Flash and Pro are now generally available, and we’re introducing 2.5 Flash-Lite, our most cost-efficient and fastest 2.5 model yet.

We’re launching OpenAI for Government, a new initiative focused on bringing our most advanced AI tools to public servants across the United States. We're suppor

We’re launching Weather Lab, featuring our experimental cyclone predictions, and we’re partnering with the U.S. National Hurricane Center to support their forec

OpenAI and Mattel are partnering to integrate AI into iconic brands such as Barbie and Hot Wheels, aiming to enhance creative development, streamline workflows,

Learn expert prompting techniques to create stunning videos with Google's Veo 3.

Learn how Weaviate and NVIDIA enable fast, scalable vector search for agentic AI.

OpenAI is fighting a court order at the demands of The New York Times and plaintiffs, which involves retention of consumer ChatGPT and API user data indefinitel

We're sharing our experiments and tips on Google's new Veo 3 model.

In our June 2025 update, we outline how we’re disrupting malicious uses of AI—through safety tools that detect and counter abuse, support democratic values, and

Weaviate `1.31` implements the MUVERA encoding algorithm for multi-vector embeddings. In this blog, we dive the algorithm in detail, including what MUVERA is, h

1.31 adds MUVERA for multi-vector embeddings, new BM25 operators, the ability to add new object vectors, and more!

FLUX.1 Kontext is everywhere - see what folks are cooking.

We are replacing the existing GPT-4o-based model for Operator with a version based on OpenAI o3. The API version will remain based on 4o.