OpenAI Engineering Blog & Tech Articles

Arvind KC has been appointed as the Chief People Officer at OpenAI, where he will focus on enhancing the company's growth and adaptation in the evolving landscape of AI.

The article introduces Frontier Alliances, a partnership between OpenAI and leading consulting firms like Boston Consulting Group, McKinsey & Company, Accenture, and Capgemini.

The article discusses the limitations of the SWE-bench Verified benchmark in measuring frontier coding capabilities, highlighting issues of contamination and recommending the use of SWE-bench Pro f...

The article discusses OpenAI's initial proof submissions for the First Proof math challenge, which evaluates AI's ability to generate checkable proofs for complex mathematical problems.

The article discusses OpenAI's commitment of $7.

EVMbench is a benchmark designed to evaluate AI agents' capabilities in detecting, patching, and exploiting vulnerabilities in smart contracts, which secure over $100 billion in crypto assets.

OpenAI has launched a nationwide initiative called OpenAI for India, aimed at expanding access to AI and unlocking its economic and societal benefits in India.

The article discusses the evolution of access control for OpenAI's Codex and Sora, focusing on the challenges of rate limits and the implementation of a real-time access engine that integrates usag...

The article discusses the release of GABRIEL, an open-source toolkit designed to help researchers transform qualitative data into quantitative measurements.

The article introduces Lockdown Mode and Elevated Risk labels in ChatGPT to enhance security against prompt injection attacks.

The article discusses a significant advancement in theoretical physics achieved by GPT-5. 2, which proposed a formula for gluon amplitudes that was later verified by human authors.

The article introduces GPT-5. 3-Codex-Spark, an ultra-fast model designed for real-time coding in Codex.

OpenAI's Harness team built and shipped an internal beta product with zero lines of manually-written code over five months, using Codex agents exclusively.

OpenAI announces the beginning of ad testing in ChatGPT for U. S. users on the Free and Go subscription tiers.

OpenAI announces the deployment of a custom ChatGPT product on GenAI. mil, the Department of Defense's secure enterprise AI platform used by 3 million civilian and military personnel.

OpenAI outlines its approach to AI localization through the OpenAI for Countries initiative, explaining how frontier AI models can be adapted for local contexts while maintaining global safety stan...

OpenAI introduces GPT-5. 3-Codex, their most capable agentic coding model that combines frontier coding performance from GPT-5.

OpenAI's GPT-5. 3-Codex System Card introduces their most capable agentic coding model, combining GPT-5. 2-Codex's frontier coding performance with GPT-5.

OpenAI introduces Trusted Access for Cyber, an identity and trust-based framework designed to provide verified cybersecurity defenders with enhanced access to frontier AI models like GPT-5.

OpenAI partnered with Ginkgo Bioworks to connect GPT-5 to a cloud laboratory, creating an AI-driven autonomous lab that optimized cell-free protein synthesis (CFPS).

OpenAI introduces Frontier, a new enterprise platform for building, deploying, and managing AI agents that can perform real work across organizations.

This article explains how OpenAI built the Codex App Server, a bidirectional JSON-RPC API that serves as the critical link between the Codex harness (agent loop and logic) and various client surfac...

This article profiles three small businesses—a seed farm in South Carolina, a tamale shop in California, and a salvage yard in Nevada—that use ChatGPT to streamline daily operations, solve problems...

VfL Wolfsburg, a German Bundesliga football club, has scaled ChatGPT Enterprise across its entire organization of roughly 350 employees, moving from experimental AI pilots to a club-wide capability.

OpenAI outlines the core philosophy behind the Sora video feed, explaining how their recommendation algorithm is designed to prioritize creativity and active participation over passive scrolling.

OpenAI introduces the Codex app for macOS, a desktop application designed as a command center for managing multiple AI coding agents simultaneously.

OpenAI and Snowflake have announced a multi-year, $200 million partnership that integrates OpenAI's frontier AI models directly into Snowflake's data platform, including Snowflake Cortex AI and Sno...

OpenAI announces the retirement of GPT-4o, GPT-4. 1, GPT-4.

Taisei Corporation, one of Japan's leading construction companies founded in 1917, deployed ChatGPT Enterprise as a cornerstone of its talent development strategy led by HR.

OpenAI built a bespoke internal AI data agent powered by GPT-5.

This article from OpenAI explains how they defend against URL-based data exfiltration attacks in AI agents like ChatGPT.

OpenAI announces the EMEA Youth & Wellbeing Grant, a €500,000 funding program supporting NGOs and research organizations across Europe, Middle East, and Africa working to improve youth safety and w...

OpenAI launches its EU Economic Blueprint 2.

TRUSTBANK partnered with Recursive to build Choice AI, a multi-agent AI system powered by OpenAI's GPT-4. 1 series, to help users navigate Japan's Furusato Nozei (hometown tax donation) program.

OpenAI introduces Prism, a free AI-native workspace for scientific writing and collaboration powered by GPT-5. 2.

PVH Corp. , the parent company of Calvin Klein and Tommy Hilfiger, announced its adoption of ChatGPT Enterprise to transform its global fashion operations.

This article is a conversation with Maggie Hulce, Chief Revenue Officer at Indeed, about how the company uses AI to transform job search and hiring.

This article explains the core agent loop architecture behind OpenAI's Codex CLI, detailing how it orchestrates interactions between users, LLM models, and tools to perform software engineering tas...

OpenAI details how they scaled PostgreSQL to support 800 million ChatGPT users, achieving millions of queries per second through a single-primary architecture with nearly 50 read replicas across mu...

Praktika is an AI-powered language learning app that uses a multi-agent tutoring system built on OpenAI's GPT models (GPT-4. 1, GPT-5. 2, GPT-5.

The article discusses how Higgsfield utilizes OpenAI's GPT-4.

OpenAI announces 'Education for Countries,' a new pillar of its OpenAI for Countries initiative that partners with governments and university consortia to integrate AI into national education syste...

This article by George Osborne, Head of OpenAI for Countries, examines the growing 'capability overhang' in AI adoption across nations—where power users and leading countries leverage significantly...

OpenAI details their age prediction system rolling out on ChatGPT consumer plans, which uses behavioral and account-level signals to estimate whether users are under 18.

Cisco partnered with OpenAI to integrate Codex into enterprise-scale software engineering workflows, transforming it from a developer productivity tool into an AI engineering teammate.

OpenAI announces its Stargate Community initiative, detailing how its massive AI data center campuses across Texas, New Mexico, Wisconsin, and Michigan will benefit local communities.

OpenAI and the Gates Foundation announce Horizon 1000, a $50 million initiative to deploy AI tools in 1,000 primary healthcare clinics across Africa, beginning in Rwanda, by 2028.

ServiceNow and OpenAI have announced a multi-year partnership to integrate OpenAI's frontier models, including GPT-5. 2, directly into ServiceNow's enterprise workflow platform.

OpenAI CFO Sarah Friar outlines how OpenAI's business model is designed to scale directly with the value that AI intelligence delivers to users.

OpenAI announces its approach to introducing advertising in ChatGPT's free and Go tiers while expanding access through ChatGPT Go, a low-cost $8/month subscription now available in 171 countries.