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

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 calls the new coding tool the "first milestone" in its relationship with the chipmaker.

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 ...

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 ...

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 is rolling out GPT-5-Codex, a new, fine-tuned version of its GPT-5 model designed specifically for software engineering tasks in its AI-powered coding assistant, Codex. The release is part of a ...

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 ...