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Claude: Elevated errors on Sonnet 4, Sonnet 4.5 and Haiku 4.5

Impact: majorStatus: resolvedStarted Resolved (3.9 h)1 updateSource: status.claude.com (opens in new tab)

Timeline of updates

  1. resolved

    As of 3:55 PT / 11:55 UTC the level of errors on Sonnet 4.0 has returned to normal.

From Claude’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.

Impact, status and times are the vendor’s own, as last archived. View on status.claude.com (opens in new tab). Claude profile · Recent Claude incidents · Markdown · JSON