1 case study with real revenue and traction data from atlas startups.
OpenAI Codex is a desktop application developed under Andrew Ambrosino's leadership that leverages AI to assist with software development. Nearly 100% of OpenAI employees use Codex weekly, demonstrating strong internal product-market fit. The product launched in February 2026 and is positioned as a home base that coordinates work across ChatGPT, Codex, and existing tools.