Posts

Rakuten fixes issues twice as fast with Codex

Introducing EVMbench

OpenAI and Paradigm introduce EVMbench, a benchmark evaluating AI agents’ abi...

Harness engineering: leveraging Codex in an agent-fi...

By Ryan Lopopolo, Member of the Technical Staff

Sea's View on the Future of Agentic Software Develop...

Sea Limited's CPO explains why the company is deploying Codex across engineer...

An open-source spec for orchestration: Symphony

Learn how Symphony, an open-source spec for Codex orchestration, turns issue ...

Introducing the Codex app

Introducing the Codex app for macOS—a command center for AI coding and softwa...

Introducing Prism

Prism is a free LaTeX-native workspace with GPT-5.2 built in, helping researc...

Speeding up agentic workflows with WebSockets in the...

A deep dive into the Codex agent loop, showing how WebSockets and connection-...

Helping developers build safer AI experiences for teens

OpenAI releases prompt-based teen safety policies for developers using gpt-os...

Codex Security: now in research preview

Codex Security is an AI application security agent that analyzes project cont...

OpenAI Codex and Figma launch seamless code-to-desig...

OpenAI and Figma launch a new Codex integration that connects code and design...

Unlocking the Codex harness: how we built the App Se...

Learn how to embed the Codex agent using the Codex App Server, a bidirectiona...

OpenAI Launches GPT-5.5 Biological Safety Bug Bounty...

OpenAI has launched a specialized bug bounty program targeting GPT-5.5 to ide...

OpenAI Acquires Promptfoo to Standardize AI Model Ev...

OpenAI plans to acquire Promptfoo to strengthen its evaluation infrastructure...

OpenAI Expands API Capabilities With New Computer En...

OpenAI has integrated a sandboxed computer environment into its Responses API...

Introducing Advanced Account Security

Introducing Advanced Account Security: phishing-resistant login, stronger rec...