OpenAI Blog

LegalOn halves Codex costs while maintaining development speed

LegalOn reduced its estimated daily Codex costs by 65% while keeping development speed unchanged. The company matched the performance of Astra, Sol, and Luna on tasks and strategically managed budgets to achieve this cost reduction.

OpenAI Blog
Sep 15, 2025

Introducing upgrades to Codex

Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.

OpenAI Blog
Oct 6, 2025

Codex is now generally available

OpenAI Codex is now generally available with powerful new features for developers: a Slack integration, Codex SDK, and admin tools like usage dashboards and workspace management—making Codex easier to use and manage at scale.

OpenAI Blog
Apr 23

What is Codex?

Learn how Codex helps you go beyond chat by automating tasks, connecting tools, and producing real outputs like docs and dashboards.