Codex lives on OpenAI's servers and interacts with your GitHub repositories. If the demo is to be believed (and OpenAI has repeatedly proven that unbelievable demos are real), Codex basically acts ...

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

April 17, 2025: OpenAI has released o3 and 04-mini, two reasoning AI models designed to be extra good at programming, math, ...

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

Compared to OpenAI o3, codex-1 produces cleaner patches ready for human review and integration into standard workflows. According to OpenAI, major companies have already evaluated and adopted Codex.

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 ...

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 ...

OpenAI's announcement post about Codex is filled with objection handling to tackle the common refrains against AI coding agents; based on older tools and models, many developers accurately point ...