Claude (Anthropic)
Degraded

Claude outage on September 1, 2026: what happened and how long it lasted

On September 1, 2026, Claude (Anthropic) had degraded performance between 16:02 and 01:24 UTC, about 9.4 h in total. The vendor posted 3 incidents.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Degraded performance on Claude for Microsoft Office 365
  2. OfficialOfficially resolved: Degraded performance on Claude for Microsoft Office 365
  3. OfficialOfficial incident posted: Degraded performance on platform.claude.com and Claude for Microsoft Office 365
  4. OfficialOfficially resolved: Degraded performance on platform.claude.com and Claude for Microsoft Office 365
  5. OfficialOfficial incident posted: Delays in credit purchases
  6. OfficialOfficially resolved: Delays in credit purchases

Hourly measurements (UTC)

00:0012:0023:00
Was Claude down on September 1, 2026?

On September 1, 2026, Claude (Anthropic) had degraded performance between 16:02 and 01:24 UTC, about 9.4 h in total. The vendor posted 3 incidents.

Is Claude working now?

Live status: modelbank.ai/status/claude. We test it every 2 minutes.

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