Codex cli (recent)Model / API
Codex CLI: response.failed / stream error mid-task
stream error: received response.failed event
- Affected versions
- cli (recent)
- Fixed in
- —
- Last verified
- Codex CLI (recent)
Root cause
The streaming response from the server fails partway (transient backend error, network interruption, or an overly large request), aborting the task.
How to reproduce
Run a long Codex task; it aborts with a response.failed / stream error.
Solutions (2)
Ordered by community votes. Always check the verified version before applying.
25
#1Applies to cli (recent)
Retry the task — these stream failures are often transient. Update the CLI to the latest version, which improves stream-error handling.
Last verified: Codex CLI (recent) · community
12
#2Applies to cli (recent)
Reduce request size: scope the task to fewer files / shorter context so the stream completes within limits.
Last verified: Codex CLI (recent) · community