Codex is fully open source and can run on any open-weights model
reach_vb · x · 2026-07-26
A reminder that Codex is a fully open-source harness.
That means you can audit exactly what happens to your prompt and how Codex works internally. If you want, you can also run it with any open-weights model.
Related event: OpenAI Codex Orchestration Layer Goes Fully Open Source(2 posts)→
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