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Anthropic: Elevated errors on Claude 4 Sonnet

Impact: majorStatus: resolvedStarted Resolved (9.4 h)1 updateSource: status.anthropic.com (opens in new tab)

Timeline of updates

  1. resolved

    We've had several spikes of incidents and we have mitigated them. The last two ones being: * between 5:47 PT / 12:47 UTC and 6:23 PT / 13:23 UTC * a period of medium level of errors * between 7:28 PT / 14:28 UTC and 8:35 PT / 15:35 UTC The issue has been fully mitigated.

From Anthropic’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.anthropic.com (opens in new tab). Anthropic profile · Recent Anthropic incidents · Markdown · JSON