What OpenAI shipped in May 2026

Boston Children’s uses AI to unlock new diagnoses

OpenAI frontier models and Codex are now available on AWS

OpenAI announced the general availability of its frontier models and Codex on AWS through Amazon Bedrock, enabling enterprises to integrate OpenAI capabilities into existing AWS workflows. This integr…

Strengthening societal resilience with Rosalind Biodefense

How Endava builds an agentic organization with Codex

A shared playbook for trustworthy third party evaluations

OpenAI published a framework for designing valid third-party evaluations of frontier AI models, emphasizing the critical role of the 'harness' setup in measuring capabilities and safeguards. The post …

OpenAI’s Frontier Governance Framework

Cisco and OpenAI redefine enterprise engineering with Codex

Building self-improving tax agents with Codex

Core dump epidemiology: fixing an 18-year-old bug

OpenAI resolved two unrelated bugs causing Rockset crashes: silent hardware corruption on an Azure host and an 18-year-old race condition in GNU libunwind. The issue stemmed from stack corruption duri…

Warp’s big bet on building open source with GPT-5.5

Election information and safeguards in 2026

OpenAI, Grupo Folha and Grupo UOL announce strategic content partnership

How Virgin Atlantic ships faster with Codex

New OpenAI Academy courses for the next era of work

OpenAI introduced three new Academy courses—AI Foundations, Applied AI Foundations, and Agents and Workflows—to help organizations train employees in practical AI use. The courses, developed with part…

OpenAI named a Leader in enterprise coding agents by Gartner

AdventHealth advances whole-person care with OpenAI

OpenAI introduced Rosalind Biodefense, a new initiative enabling trusted developers and U.S. government partners to use GPT-Rosalind for high-impact defensive applications in biodefense and public hea

The next phase of OpenAI’s Education for Countries

Introducing OpenAI for Singapore

Advancing content provenance for a safer, more transparent AI ecosystem

OpenAI introduced the Frontier Governance Framework to publicly document how its safety and security practices meet emerging regulatory obligations, including the EU AI Act’s Code of Practice and Cali

OpenAI and Dell partner to bring Codex to hybrid and on-premise enterprise environments

OpenAI and Malta partner to bring ChatGPT Plus to all citizens

A new personal finance experience in ChatGPT

OpenAI Developers plugin for Codex

OpenAI launched a new plugin for Codex that automates API key creation, project setup, and OpenAI Platform integration. The plugin simplifies onboarding for new users and enables Codex to handle OpenA…

Sea's View on the Future of Agentic Software Development with Codex

OpenAI introduced a new personal finance feature in ChatGPT for U.S. Pro users, enabling secure account connections via Plaid to 12,000+ institutions, a financial dashboard, and context-aware financia

Work with Codex from anywhere

OpenAI introduced a multi-layered provenance system combining C2PA conformance, Google’s SynthID watermarking for images, and a public verification tool preview. The updates aim to help users identify

Helping ChatGPT better recognize context in sensitive conversations

Building a safe, effective sandbox to enable Codex on Windows

OpenAI and Thrive Holdings co-developed Tax AI, a Codex-driven agent that automates tax return preparation for Crete’s 30+ accounting firms. The system saves practitioners a third of their time, achie

Our response to the TanStack npm supply chain attack

OpenAI disclosed a supply chain attack via the compromised TanStack npm library, impacting two employee devices and limited internal code repositories. No user data or products were compromised, but m…

OpenAI and Dell Technologies partner to bring Codex to hybrid and on-premises enterprise environments

OpenAI and Dell Technologies partnered to enable Codex deployment in hybrid and on-premises environments via Dell’s AI Data Platform and AI Factory. This allows enterprises to run Codex closer to thei…

How finance teams use Codex

How NVIDIA engineers and researchers build with Codex

What Parameter Golf taught us about AI-assisted research

AutoScout24 scales engineering with AI-powered workflows

An OpenAI model has disproved a central conjecture in discrete geometry

An OpenAI model autonomously disproved the planar unit distance problem, a central conjecture in discrete geometry posed by Paul Erdős in 1946. The proof, verified by external mathematicians, provides…

How ChatGPT adoption broadened in early 2026

OpenAI Campus Network: Student club interest form

How enterprises are scaling AI

OpenAI launches the OpenAI Deployment Company to help businesses build around intelligence

OpenAI launched the OpenAI Deployment Company, a new unit to help businesses deploy AI systems at scale, backed by $4B in initial investment and 19 global partners. The company also acquired Tomoro, a…

OpenAI introduced safety updates to ChatGPT that improve its ability to detect emerging risks in sensitive conversations by recognizing subtle or evolving cues over time. The updates include safety su

OpenAI introduced a new sandbox for Codex on Windows to replace an earlier unelevated prototype, now requiring elevated admin permissions at setup. The sandbox uses restricted tokens and synthetic SID

Running Codex safely at OpenAI

OpenAI introduced sandboxing, approval workflows, network policies, and agent-native telemetry to securely run Codex for coding agents. These measures aim to ensure safe and compliant adoption of AI-d…

Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber

OpenAI introduced GPT-5.5 and GPT-5.5-Cyber to expand its Trusted Access for Cyber program, enabling verified defenders to accelerate vulnerability research and protect critical infrastructure. The ne…

OpenAI announced new governance controls for Codex, including sandboxing, approval policies, network restrictions, and agent-native telemetry. The updates aim to balance developer productivity with en

Parloa builds service agents customers want to talk to

Testing ads in ChatGPT

OpenAI is expanding its ads pilot in ChatGPT to the UK, Mexico, Brazil, Japan, and South Korea, following earlier tests in the U.S., Canada, Australia, and New Zealand. Ads will fund free access while…

OpenAI launched Codex in the ChatGPT mobile app, enabling users to monitor, approve, and steer long-running Codex tasks from their phones. The feature connects to live environments (laptops, remote ma

Advancing voice intelligence with new models in the API

OpenAI introduced three new realtime voice models—GPT-Realtime-2, GPT-Realtime-Translate, and GPT-Realtime-Whisper—enabling developers to build advanced voice agents that reason, translate, and transc…

Business data privacy, security, and compliance

Uber uses OpenAI to help people earn smarter and book faster

Singular Bank helps bankers move fast with ChatGPT and Codex

Introducing ChatGPT Futures: Class of 2026

OpenAI introduced the ChatGPT Futures Class of 2026, honoring 26 students who used AI to build impactful projects during their college years. Each honoree receives a $10,000 grant and access to fronti

How frontier enterprises are building an AI advantage

New ways to buy ChatGPT ads

OpenAI introduced new ways to buy and manage ChatGPT ads, including a beta self-serve Ads Manager for US advertisers, cost-per-click (CPC) bidding, and expanded measurement tools like Conversions API.…

Introducing Trusted Contact in ChatGPT

OpenAI introduced Trusted Contact in ChatGPT, allowing adults to nominate a trusted person to be notified if the system detects signs of self-harm or serious distress. The feature undergoes human revi…

GPT-5.5 Instant: smarter, clearer, and more personalized

OpenAI introduced GPT-5.5 Instant as the new default model for ChatGPT, delivering smarter answers with fewer hallucinations and enhanced personalization controls. The update aims to improve reliabili…

Realtime prompting guide

OpenAI updated its platform documentation to guide developers in prompting realtime voice agents, including Realtime 2 reasoning, preambles, tools, and exact entity capture. The changes provide struct…

OpenAI introduced a beta self-serve Ads Manager for ChatGPT, enabling CPC bidding and enhanced measurement tools while maintaining privacy by separating ad interactions from user conversations. The ne

OpenAI and PwC collaborate to reimagine the office of the CFO

OpenAI and PwC announced a collaboration to deploy AI agents for automating enterprise finance processes, including workflow automation, forecasting, and control strengthening. The partnership aims to…

OpenAI introduced B2B Signals, a product extension of OpenAI Signals, to measure how AI diffuses across businesses using privacy-preserving, aggregated enterprise usage data. The report highlights tha

How OpenAI delivers low-latency voice AI at scale

OpenAI announced a rebuilt WebRTC stack to enable real-time Voice AI with low latency and global scalability. The update focuses on seamless conversational turn-taking, addressing prior limitations in…

Supercomputer networking to accelerate large scale AI training

OpenAI introduced MRC, a novel networking protocol developed with AMD, Broadcom, Intel, Microsoft, and NVIDIA, to improve GPU networking performance and resilience in large-scale AI training clusters.…