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Reviewed decision page

Claude Code vs OpenAI Codex

Direct answer: Claude Code is terminal-first while Codex has terminal and cloud workflows; both need scoped repo access, command controls, and human review.

Claude Code

Verdict: Conditional pilot · Last editorial review: not reviewed

Evidence: Claude Code is an agentic coding tool that reads your codebase, edits files, runs commands, and integrates with your development tools. Available in your terminal, IDE, desktop app, and browser.

Limitations: Terminal use means local environment configuration materially changes risk.

Required controls: least-privilege permissions, isolated branch, protected branches, mandatory human review, sandbox, command allowlist, audit logs, separate test credentials

OpenAI Codex

Verdict: Conditional pilot · Last editorial review: not reviewed

Evidence: Start Codex in a repository to explore unfamiliar code, plan a change, edit files, and run your local development tools.

Limitations: Cloud execution changes data-boundary and repo-access review.

Required controls: least-privilege permissions, isolated branch, protected branches, mandatory human review, sandbox, command allowlist, audit logs, separate test credentials

Methodology

Indexed pages contain direct answers, reviewed claim-level evidence, limitations, required controls, a decision CTA, last editorial/source check fields, and unique descriptions. Thin/unreviewed generated pages are noindexed.