Codex task stuck or failing: causes and fixes
Is there an outage right now?
Codex official status is operational. If this error persists, it is likely an implementation or environment issue on your side.
View Codex status →What this error means
Task won't run, fails midway, or returns nothing. Causes: OpenAI-side outage, rate limits, network, or long tasks.
Common causes
- •OpenAI-side outage/latency
- •Rate limit / quota exceeded
- •Unstable network
- •Long/large task
- •Temporary queue backlog
How to fix
- 1.Wait and re-run
- 2.Split the task
- 3.Check your network
- 4.Run at a different time
- 5.Check status at top of page and OpenAI API
When waiting helps (and when it won't)
If OpenAI-side, it recovers over time. If frequent, split tasks and adjust frequency.
Alternatives when Codex is down
FAQ
What causes Codexのタスクが進まない?
Task won't run, fails midway, or returns nothing. Causes: OpenAI-side outage, rate limits, network, or long tasks.
How do I fix Codexのタスクが進まない?
Wait and re-run / Split the task / Check your network / Run at a different time / Check status at top of page and OpenAI API