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minorArchivedAnthropic

Anthropic: Elevated errors for Claude Opus 5.5

  1. Investigating(done)
  2. Trending(skipped)
  3. Workaround available(skipped)
  4. Resolved(done)
  5. Archived

Executive summary

Elevated error rates have been observed on requests to Claude Opus 5.5, affecting all users. The issue has been resolved.

No verified workaround yet

This incident was resolved upstream without a reported workaround.

Official fix
Technical root cause

Under active investigation. No report has identified a root cause yet.

Evidence

1 report · 1 StatusShow
  1. [1]
    Status First report
    Elevated errors for Claude Opus 5.5(opens official status page in a new tab)

    Investigating: We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible. Identified: We have identified the cause of elevated errors on requests to Claude Opus 5.5 and are working on a fix. We will provide an update as soon as possible. Resolved: The issue affecting Claude Opus 5.5 has been resolved.

    by anthropic status

Timeline

  1. First report on status page

    Elevated errors for Claude Opus 5.5

    Source
  2. Official statement

    Investigating: We are investigating elevated errors on requests to Claude Opus 5.5.

    Source
  3. Status changed

    Status changed: new → archived (resolved more than 14 days ago).