It is 9 p.m. on a release night. Your CI pipeline is green, the PR is ready, and the Codex agent you rely on for final code review and generation suddenly returns Unexpected status 401. The error is not a typo in your key. The error is the outage. Delivery risk spikes in seconds.
💡 Frequently Asked Questions (FAQ)
- Q: Why is Codex returning Unexpected status 401 during an outage?
- A: 401 means unauthorized, but during a Codex outage it signals service disruption or authentication failure on OpenAI’s side, not a typo in your API key.
- Q: What should I do if Codex is down on release night?
- A: Failover immediately to an alternative AI code review tool, cache recent suggestions, and switch to manual review with pair programming to keep delivery risk low.
- Q: Which AI tools can replace Codex for code generation and review?
- A: Popular alternatives include GitHub Copilot, Cursor, Claude Code, and local models via LM Studio, offering similar chat and inline review capabilities.