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Andrew Herendeenleft a comment
The practical difference here is execution + iteration: it can take a task, make changes, run/validate, and refine without needing a new prompt for every bump. The frequent status updates and mid-course steering are what made it useful for real repo work (refactors, failing tests, debugging). I still review diffs carefully—especially anything touching auth/security—but it’s a legitimate...
GPT-5.3-CodexExpanding Codex to the full spectrum of computer work



