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Published reviews, comparisons and practical guides connected to OpenAI Codex.
A practical comparison of the Codex app, CLI and IDE extension covering task fit, isolation, review visibility, permissions and environment trade-offs.
A dated guide to Codex access through ChatGPT plans, included usage, additional credits, the live rate card and practical cost-control decisions.
A documented Codex vs Claude Code comparison covering app, terminal, IDE and cloud workflows, repository rules, permissions, billing and limits.
A practical Codex repository workflow using branches, AGENTS.md, least privilege, focused diffs, tests, secret controls and human review.
An official-source OpenAI Codex review covering the app, CLI, IDE extension, cloud tasks, permissions, ChatGPT access, credits and limitations.