Simplex rethinks software development with Codex

Simplex is an OpenAI initiative that reimagines software development processes by integrating Codex, OpenAI's AI code generation model, to enhance developer productivity and streamline coding workflows. The approach leverages AI-assisted code generation to help developers write, debug, and maintain software more efficiently. This represents OpenAI's practical application of large language models to transform traditional software engineering practices.

Source: OpenAI | 2026-05-07