by Rhea Purohit in AI & I TL;DR: Today, we’re releasing a new episode of our podcast AI & I, where Dan Shipper sits down with two members of the team building OpenAI’s coding agent, Codex, Thibault ...

Notably, GPT-5.3-Codex is the first OpenAI model that was used to create itself: The team used early versions of the model to debug its training, manage its deployment, and diagnose test results and ...

OpenAI introduces Harness Engineering, an AI-driven methodology where Codex agents generate, test, and deploy a million-line ...

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and spreadsheets. On Thursday, OpenAI released GPT-5.3-Codex, a new model that ...

OpenAI announced on Friday it’s launching a research preview of Codex, the company’s most capable AI coding agent yet. Codex is powered by codex-1, a version of the company’s o3 AI reasoning model ...

OpenAI's new Codex agent is essentially a vibe-coding environment based on a ChatGPT-like comment interface. As much as the vibe-coding idea seems like a meme for wannabe cool-kid coders, the new ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Katherine Li Every time Katherine publishes a story, you’ll get an alert straight to your inbox ...

We’ve been expecting it for a while, and now it’s here: OpenAI has introduced an agentic coding tool called Codex in research preview. The tool is meant to allow experienced developers to delegate ...

OpenAI announced Monday that it’s releasing a new version of GPT-5 to its AI coding agent, Codex. The company says its new model, called GPT-5-Codex, spends its “thinking” time more dynamically than ...

OpenAI launched a research preview on Friday of what it’s calling its most capable AI coding agent yet. Codex, a cloud-based software engineering agent, can write features, answer questions about a ...