rewindex

ChangesChatGPTDegraded performance in ChatGPT, Codex, and APIs

ChatGPT: Incident silently edited: Degraded performance in ChatGPT, Codex, and APIs

Silent editminor edit (typesafe/jev-1.13-20260917, 5%)Changed status.openai.com (opens in new tab)
Summary

Summary pending. The diff below shows exactly what changed.

Incident page: the full timeline of updates

What changed

Struck in red is what ChatGPT removed; blue is what they added. Muted text is unchanged context.

ChangedResolved time#1
Before: 2026-10-21 02:48 UTC
After: 2026-10-21 03:28 UTC
ChangedUpdatemonitoring#2
Before: We have applied the mitigation and are monitoring the recovery.
After: We have applied the mitigation and are monitoring the recovery.
ChangedUpdateresolved#3
Before: All impacted services have now fully recovered.
After: All impacted services have now fully recovered.

Compared with the previous archived version of this incident (10 to 30-minute polling). View the live incident (opens in new tab).

Archive proof

Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.

How the archive is checked, and what it cannot prove.

Rewindex captured this after the last checkpoint; the next run () commits it.

History of this incident

YesterdayWednesday, October 21Wed, Oct 21

1 rewrite, 1 incident change

All ChatGPT changesChatGPT profileMarkdownJSON