We’re introducing a new generation of apps you can chat with, right inside ChatGPT. Developers can start building them today with the new Apps SDK, available in preview.
AMD and OpenAI have announced a multi-year partnership to deploy 6 gigawatts of AMD Instinct GPUs, beginning with 1 gigawatt in 2026, to power OpenAI’s next-generation AI infrastructure and accelerate global AI innovation.
Today, we’re releasing new tools to help developers go from prototype to production faster: AgentKit, expanded evals capabilities, and reinforcement fine-tuning for agents.
OpenAI and Allied for Startups release the Hacktivate AI report with 20 actionable policy ideas to accelerate AI adoption in Europe, boost competitiveness, and empower innovators.
Oct 6, 2025
Generative AI
Wrtn scaled AI apps to 6.5M users in Korea with GPT-5, creating ‘Lifestyle AI’ that blends productivity, creativity, and learning—now expanding across East Asia.
OpenAI and Japan’s Digital Agency partner to advance generative AI in public services, support international AI governance, and promote safe, trustworthy AI adoption worldwide.
Human-Computer Interaction and Visualization
Samsung and SK join OpenAI’s Stargate initiative to expand global AI infrastructure, scaling advanced memory chip production and building next-gen data centers in Korea.
OpenAI banned accounts linked to a Russia-origin operation we dubbed “Stop News”, using AI to generate recidivist influence content targeting Africa and the UK.
OpenAI banned accounts likely linked to Russian-speaking criminal groups, using AI to build malware loaders, evasion layers, credential-theft scripts, and C2 infrastructure.
OpenAI banned accounts linked to a previously unreprorted PRC-origin operation we dubbed "Nine-emdash Line", using AI to create regional influence content about the South China Sea, Hong Kong, and US politics.
OpenAI banned PRC-linked accounts using AI to support surveillance-related planning, targeted profiling, and research on critics and other individuals.
OpenAI banned accounts tied to online fraud networks using AI to support scam scripts, impersonation, translation, and victim engagement.
OpenAI banned accounts involved in activity that overlapped with publicly reported threat groups and displayed hallmarks consistent with PRC intelligence requirements, using AI to support phishing and scripting workflows.
OpenAI banned Korean-language accounts using AI for malware development support, debugging, phishing, and credential-theft workflows.
Algorithms & Theory
Following our keynote presentations at FSE 2025 and Eurostar 2025, we’re delving further into the development of Meta’s Automated Compliance Hardening (ACH) tool, an LLM-based tool for software testing that is automating aspects of compliance adherence at Meta, while accelerating developer and product velocity. By leveraging LLMs we’ve been able to overcome the barriers that [...] Read More... The
Generative AI
Korean Air and U.S. defense technology company Anduril Industries are exploring the joint development of an integrated response platform to address the growing challenge of large-scale wildfires.
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 with safety at the foundation. Our approach is anchored in concrete protections.
Sep 30, 2025
Only eight weeks after Anduril was awarded a $99.6 million prototype Other Transaction Authority agreement for the Army’s Next Generation Command and Control (NGC2), the 4th Infantry Division became the first unit to use NGC2 in live fire training.
This post introduced Sora 2, a video generation model with synchronized dialogue and sound effects. The Sora product is no longer available.
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 difficult for prior video models to achieve– such as more accurate physics, sharper realism, synchronized audio, enhanced steerability, and an expanded stylistic range.
OpenAI’s research assistant helps teams analyze millions of support tickets, surface insights faster, and scale curiosity across the company.
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 help other organizations do the same.
See how OpenAI built an internal AI sales assistant to automate account research, meeting preparation, product knowledge, and customer follow-up.
Learn how OpenAI uses AI to enhance support, cutting response times, improving quality, and scaling to meet hypergrowth.
Learn how OpenAI used an internal AI sales assistant to qualify inbound leads, personalize responses, and help sales teams convert customer interest.
OpenAI built a system to extract contract data quickly, cutting turnaround times and making it easier for teams to access the details they need.
Over the past 21 years, Meta has grown exponentially from a small social network connecting a few thousand people in a handful of universities in the U.S. into several apps and novel hardware products that serve over 3.4 billion people throughout the world. Our infrastructure has evolved significantly over the years, growing from a [...] Read More... The post Meta’s Infrastructure Evolution and th
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, report, and prevent AI misuse.
Today we're releasing Claude Sonnet 4.5 in Devin, alongside our new Devin Agent Preview that's over 2x faster and 12% better on our Jr. Developer Evals.
We rebuilt Devin for Claude Sonnet 4.5. The new version is 2x faster, 12% better on our Junior Developer Evals, and it's available now in Agent Preview. For users who prefer the old Devin, that remains available.
We’re taking first steps toward agentic commerce in ChatGPT with new ways for people, AI agents, and businesses to shop together.
OpenAI and AARP are partnering to help older adults stay safe online with new AI training, scam-spotting tools, and nationwide programs through OpenAI Academy and OATS’s Senior Planet initiative.
New shared projects, smarter connectors, and compliance and security updates help teams get more done.
Evaluating AI agents that solve real-world tasks through function-call sequences remains an open challenge. Existing agentic benchmarks often reduce evaluation to a binary judgment of the final state, overlooking critical aspects such as safety, efficiency, and intermediate correctness. We propose a framework based on deterministic finite automata (DFAs) that encodes tasks as sets of valid tool-us
Generative AI
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 personalized updates based on your chats, feedback, and connected apps like your calendar.
Sep 25, 2025
Generative AI
ENEOS Materials uses ChatGPT Enterprise to speed research, improve plant design safety, and cut HR analysis time by 90%, with 80% reporting better workflows.
Professor Wooldridge is one of 74 new Fellows recognised this year for exceptional contributions to engineering and technology.
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.
Generative AI
We are entering the era of Fintech 3.0. Regulatory clarity, growing consumer adoption, and low-cost chains have paved the way for a golden age of building in crypto — and at YC, Base, and Coinbase, we want to fund builders to seize this moment.
OpenAI, Oracle, and SoftBank announce five new Stargate AI datacenter sites, accelerating a $500B, 10-gigawatt U.S. infrastructure buildout to power next-generation AI and create tens of thousands of jobs.
Earlier this year, we executed the first successful test of a prototype surface-launched Barracuda-500 at one of our test ranges, demonstrating the viability of Barracuda, the launcher, and booster for surface-launched CONOPs.
SchoolAI uses GPT-4.1, image generation, and TTS to power safe, teacher-guided AI tools for over 1 million classrooms, improving engagement, oversight, and personalized learning.
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 frontier models. The team shared concrete examples and stress tests of an early method to reduce scheming.
This annual award recognises a student within the division who has shown exceptional commitment, leadership and impact in advancing equality, diversity and inclusion.
Learn how OpenAI is building age prediction and parental controls in ChatGPT to create safer, age-appropriate experiences for teens while supporting families with new tools.
Anduril and Impulse Space are partnering to conduct a high-precision Rendezvous and Proximity Operations (RPO) mission in geosynchronous Earth orbit (GEO), targeted for 2026.
Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.
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 beyond early users, closing gaps and making AI a part of everyday life.
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 its thinking effort more dynamically based on task complexity, responding quickly to simple conversational queries or small tasks, while independently working for longer on more complex tasks.
Our new Batch Inference API makes large-scale AI workloads simpler, faster, and cheaper. With a streamlined UI, universal model support, and 3000× higher rate limits—now up to 30B tokens—you can process massive datasets at half the cost of real-time APIs.
We’re thrilled to announce that Ankit Gupta is joining YC as our newest General Partner. Ankit has already worked with dozens of YC founders as a visiting partner in recent batches. He has a rare blend of deep machine learning expertise and firsthand startup experience that make him
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