Let's take a first look at OpenAI's new o4 model and the codex CLI programming tool. Let's compare it to other AI programming ...

The Codex rollout came after OpenAI launched GPT-4.5 in February. A livestream demo highlighted its improved reasoning, intuition, and reduced hallucinations.

All ChatGPT users -- yes, even free -- can access GPT-5 in ChatGPT. For a roundup of what to expect, keep reading below.

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 ...

openai OpenAI launches Codex, a new AI coding agent for software development Cisco, Temporal, Superhuman, and Kodiak are among the first companies to test Codex By Skye Jacobs May 18, 2025 at 11:23 AM ...

OpenAI is also rolling out updates to Codex CLI, its lightweight terminal agent for local development. The CLI now uses a smaller model—codex-mini-latest—optimized for low-latency editing and Q&A.

OpenAI introduces Codex, its first full-fledged AI agent for coding It replicates your development environment and takes up to 30 minutes per task.

OpenAI has announced the release of Codex, an AI coding agent it said was designed to help software engineers write code, fix bugs, and run tests. According to the company, Codex is powered by ...

On a call with reporters Wednesday previewing the new chatbot, Altman likened GPT-5 to a Ph.D.-level expert. The new chatbot ...

In the Codex release, OpenAI claims its coding agent operates entirely in the cloud, cut off from the internet, meaning it can't scour the web for data like ChatGPT.

OpenAI today debuted a new artificial intelligence agent, Codex, that can help developers write code and fix bugs. The tool is available through a sidebar in ChatGPT’s interface.

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 ...