Outage
Claude outage on August 4, 2026: what happened and how long it lasted
On August 4, 2026, Claude (Anthropic) had an outage between 06:16 and 21:59 UTC, about 15.7 h in total. The vendor posted 3 incidents.
Timeline (UTC)
- OfficialOfficial incident posted: Elevated errors on Claude Sonnet 5
- OfficialOfficially resolved: Elevated errors on Claude Sonnet 5
- OfficialOfficial incident posted: Elevated errors on Claude Sonnet 5
- OfficialOfficially resolved: Elevated errors on Claude Sonnet 5
- OfficialOfficial incident posted: Elevated errors across many models
- OfficialOfficially resolved: Elevated errors across many models
Hourly measurements (UTC)
00:0012:0023:00
Was Claude down on August 4, 2026?
On August 4, 2026, Claude (Anthropic) had an outage between 06:16 and 21:59 UTC, about 15.7 h in total. The vendor posted 3 incidents.
Is Claude working now?
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