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

Early on Friday, OpenAI revealed a preview of Codex, the company's stab at a specialty coding "agent" — a fluffy industry term that seems to change definitions depending on which company is ...

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

OpenAI charted the wrong course with their graphs on Thursday. Several charts featured in its GPT-5 livestream included mistakes. Sam Altman called it a "mega chart screwup," and OpenAI apologized ...

Since Codex is built on GPT-3 , which is an OpenAI language generation model, it is possible to analyze natural language and output code according to the user's intention.

In-Depth Mapping OpenAI's Full AI Suite After Codex CLI Debut By David Ramel 04/17/2025 With OpenAI's recent introduction of Codex CLI and new foundation models, the company hearkens us back to 2021 ...

OpenAI launched its new open-source coding agent, Codex CLI, alongside its advanced AI models o3 and o4-mini, as part of a strategic push to remain competitive amid rising pressure from rivals ...

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.