Claude (Anthropic)
Outage

Claude outage on September 3, 2026: what happened and how long it lasted

On September 3, 2026, Claude (Anthropic) had an outage between 12:37 and 16:23 UTC, about 3.8 h in total. The vendor posted 2 incidents.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Elevated errors for Claude Sonnet 5
  2. OfficialOfficially resolved: Elevated errors for Claude Sonnet 5
  3. OfficialOfficial incident posted: Elevated errors for multiple models
  4. OfficialOfficially resolved: Elevated errors for multiple models

Hourly measurements (UTC)

00:0012:0023:00
Was Claude down on September 3, 2026?

On September 3, 2026, Claude (Anthropic) had an outage between 12:37 and 16:23 UTC, about 3.8 h in total. The vendor posted 2 incidents.

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