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Claude: Elevated errors on Claude 4 Sonnet

Impact: criticalStatus: resolvedStarted Resolved (1.8 h)1 updateSource: status.claude.com (opens in new tab)

Timeline of updates

  1. resolved

    As of 08:52 UTC we have full recovery for the Claude 4 Sonnet model

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