Claude (Anthropic)
Outage

Claude outage on September 15, 2026: what happened and how long it lasted

On September 15, 2026, Claude (Anthropic) had an outage between 09:48 and 11:14 UTC, about 1.4 h in total. The vendor posted 1 incident.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
  2. OfficialOfficially resolved: Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

Hourly measurements (UTC)

00:0012:0023:00
Was Claude down on September 15, 2026?

On September 15, 2026, Claude (Anthropic) had an outage between 09:48 and 11:14 UTC, about 1.4 h in total. The vendor posted 1 incident.

Is Claude working now?

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