Rank, 14 days: 84 on the Codex sheet
5 people reported

All time, since Oct 9, including 1 thumbs-up on GitHub.

HTTP 400 Bad Request interrupts tasks

“Codex in the macOS desktop app repeatedly fails with HTTP 400 and {"detail":"Bad Request"} while continuing a long-running task.”

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I hit this bug: rapsheet.dev/sheets/codex/issues/23659/file
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Growing. 4 reports and thumbs-up in the last 7 days and 1 the week before. A workaround is known.

Long-running tasks stop with HTTP 400 Bad Request. Work is interrupted with only {"detail":"Bad Request"} shown; model continuation requests and remote compaction fail after earlier tool operations succeeded, intermittently.

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File my report
Where
macOS desktop app
Error text
{"detail":"Bad Request"}
Versions
26.1002.52244
Platforms
macOS
How bad
Breaks a normal workflow.

Related: Model at capacity errors

Not quite your bug?

  1. Stream disconnected errors3 people
  2. Stream disconnects mid-task5 people
  3. Task abandoned for AGENTS.md reply3 people

Original reports4, newest first

  1. macOS: Repeated “Bad Request” interrupts ChatGPT Work tasks after incident resolutionOn GitHub#59852
  2. macOS desktop: repeated long-running tasks stop after 1–2 hours with {"detail":"Bad Request"}On GitHub#58688
  3. macOS desktop: recurring HTTP 400 Bad Request after successful tool operations blocks continuationOn GitHub#58569
  4. [macOS desktop] Recurrent HTTP 400 {"detail":"Bad Request"} during normal turns and remote compaction below context limitOn GitHub#52406

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