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OpenAI Blog news

The latest AI and developer news from OpenAI Blog, with short summaries.

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Choco Automates Food Distribution with AI Agents

Choco built AI agents using the OpenAI API, reducing manual order entry by 50% and doubling productivity in food distribution.

·2026.04.27 09:00

Our Principles

OpenAI unveiled 5 core principles for the public benefit and safety of AGI.

·2026.04.27 01:00

GPT-5.5 System Card

It summarizes GPT-5.5's scope of use, safety evaluations, and new guardrails.

·2026.04.23 20:00

How to Get Started with Codex

OpenAI explained how to start your first project and task using the Codex desktop app.

·2026.04.23 19:00

10 Ways to Use Codex at Work

This piece rounds up 10 ways to use Codex for real work tasks, from daily briefs to workflow audits.

·2026.04.23 19:00

Codex Settings

Covers Codex's sleep prevention, detail level, tone, and avatar settings.

·2026.04.23 19:00

Working with Codex

Introduces Codex's sidebar, projects, settings, chat window, and the Steer feature.

·2026.04.23 19:00

Plugins and Skills

Codex connects to external tools with plugins and follows task procedures with skills.

·2026.04.23 19:00

Automation

Codex automatically performs repetitive tasks using schedules and trigger conditions.

·2026.04.23 19:00

What is Codex

Codex is an AI agent that performs real work across files and tools on your behalf.

·2026.04.23 19:00

GPT-5.5 Bio Bug Bounty

OpenAI is offering $25,000 for a universal jailbreak that breaks through GPT-5.5's five bio safety questions.

·2026.04.23 09:00

ChatGPT Improvements for Clinicians

OpenAI is offering ChatGPT for Clinicians for free to verified clinicians in the US.

·2026.04.23 00:00

Speeding Up Agentic Workflows with WebSockets on the Responses API

WebSocket mode made agentic workflows on the Responses API up to 40% faster.

·2026.04.22 19:00

ChatGPT Workspace Agents

ChatGPT's workspace agents are trigger- and tool-based AI for repetitive tasks.

·2026.04.22 19:00

Scaling Codex to enterprises worldwide

Codex's weekly users grew from 3 million to over 4 million in just two weeks.

·2026.04.21 09:00

OpenAI accelerates Hyatt's employee AI adoption

Hyatt is rolling out ChatGPT Enterprise company-wide to automate work and improve customer experience.

·2026.04.20 09:00

Accelerating a Cyber Defense Ecosystem That Protects Us All

OpenAI is expanding Trusted Access for Cyber to provide defense teams and institutions with advanced cyber capabilities.

·2026.04.16 09:00

The Next Evolution of the Agents SDK

A new Agents SDK has been released that supports file inspection, command execution, and code editing.

·2026.04.15 19:00

Cloudflare Agent Cloud Powers Enterprise Agent Workflows with OpenAI

GPT-5.4 and Codex are now directly available on Cloudflare Agent Cloud.

·2026.04.13 15:00

Getting Started with ChatGPT

Introduces the basic usage of ChatGPT, your first conversation, use cases, and voice features.

·2026.04.11 14:00