OpenAI Codex Orchestration Layer Goes Fully Open Source

OpenAI's Codex orchestration layer is now fully open source, allowing developers to audit prompt processing and execution flows. This open-source harness also supports integration with any open-weight models.

2026-07-26 ~ 2026-07-27 · 2 related posts

• Codex is fully open source and can run on any open-weights model — reach_vb · 2026-07-26
• Codex’s harness is fully open source and can run open-weights models — Teknium · 2026-07-27