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Anthropic: Elevated errors on Claude 4 Sonnet

Impact: majorStatus: resolvedStarted Resolved (1.4 h)1 updateSource: status.anthropic.com (opens in new tab)

Timeline of updates

  1. resolved

    We've seen two big spikes of errors, one between 13:05 UTC and 13:24 UTC, and another one between 13:50 UTC and 14:18 UTC. The issue has now been resolved.

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