Outage in Claude
Elevated errors on Claude Opus 5
Resolved MinorIncident Report
Summary AI Generated
Claude Opus 5 experienced elevated errors affecting both claude.ai and api.anthropic.com for approximately one hour on July 27, 2026. The issue was identified and monitored, with error rates returning to baseline by 11:47 UTC. The incident was classified as minor and lasted roughly one hour before full resolution.
We are currently investigating this issue.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 07/27/2026 12:30PM
As of 4:47 PST / 11:47 UTC the errors have returned to baseline.
INVESTIGATING
3 days ago - at 07/27/2026 11:27AM
We are currently investigating this issue.
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