Unrolling the Codex agent loop
A technical deep dive into the Codex agent loop, explaining how Codex CLI orchestrates models, tools, prompts, and performance using the Responses API.
Latest News
Inside GPT-5 for Work: How Businesses Use GPT-5
A data-driven report on how workers across industries use ChatGPT—covering adoption trends, top tasks, departmental patterns, and the future of AI at work.
Scaling PostgreSQL to power 800 million ChatGPT users
An inside look at how OpenAI scaled PostgreSQL to millions of queries per second using replicas, caching, rate limiting, and workload isolation.
Inside Praktika's conversational approach to language learning
How Praktika uses GPT-4.1 and GPT-5.2 to build adaptive AI tutors that personalize lessons, track progress, and help learners achieve real-world language fluency
Think Bigger: How Small Teams Win with ChatGPT
A practical guide showing how small teams use ChatGPT to analyze data, create marketing materials, manage budgets, run meetings, and make better decisions.
AssetOpsBench: Bridging the Gap Between AI Agent Benchmarks and Industrial Reality
AssetOpsBench: Bridging the Gap Between AI Agent Benchmarks and Industrial Reality AssetOpsBench is a comprehensive benchmark and evaluation system with six qualitative dimensions that bridges the gap
How countries can end the capability overhang
Our latest report reveals stark differences in advanced AI adoption across countries and outlines new initiatives to help nations capture productivity gains from AI.
How Higgsfield turns simple ideas into cinematic social videos
Discover how Higgsfield gives creators cinematic, social-first video output from simple inputs using OpenAI GPT-4.1, GPT-5, and Sora 2.
Introducing Edu for Countries
Edu for Countries is a new OpenAI initiative helping governments use AI to modernize education systems and build future-ready workforces.
One Year Since the “DeepSeek Moment”
The first blog addresses strategic changes and the explosion of new open models and open source players. The second covers architectural and hardware choices largely by Chinese companies made in the w
Stargate Community
Stargate Community plans detail a community-first approach to AI infrastructure, using locally tailored plans shaped by community input, energy needs, and workforce priorities.
ServiceNow powers actionable enterprise AI with OpenAI
ServiceNow expands access to OpenAI frontier models to power AI-driven enterprise workflows, summarization, search, and voice across the ServiceNow Platform.
Our approach to age prediction
ChatGPT is rolling out age prediction to estimate if accounts are under or over 18, applying safeguards for teens and refining accuracy over time.
Horizon 1000: Advancing AI for primary healthcare
OpenAI and the Gates Foundation launch Horizon 1000, a $50M pilot advancing AI capabilities for healthcare in Africa. The initiative aims to reach 1,000 clinics by 2028.
Differential Transformer V2
(For simplicity, we omit the batch dimension and assume that both the input and output of the following flash_attn_func are three-dimensional tensors (tokens, heads, head dimension) . Heads belonging
Introducing Waypoint-1: Real-time interactive video diffusion from Overworld
Waypoint-1: Real-time Interactive Video Diffusion from Overworld Overworld Stream: https://overworld.stream Waypoint-1 is Overworld’s real-time-interactive video diffusion model, controllable and prom
A business that scales with the value of intelligence
OpenAI’s business model scales with intelligence—spanning subscriptions, API, ads, commerce, and compute—driven by deepening ChatGPT adoption.
D4RT: Teaching AI to see the world in four dimensions
D4RT: Unified, efficient 4D reconstruction and tracking up to 300x faster than prior methods.
Our approach to advertising and expanding access to ChatGPT
OpenAI plans to test advertising in the U.S. for ChatGPT’s free and Go tiers to expand affordable access to AI worldwide, while protecting privacy, trust, and answer quality.
Introducing ChatGPT Go, now available worldwide
ChatGPT Go is now available worldwide, offering expanded access to GPT-5.2 Instant, higher usage limits, and longer memory—making advanced AI more affordable globally.
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