Claude (Anthropic)
Degraded

Claude outage on July 27, 2026: what happened and how long it lasted

On July 27, 2026, Claude (Anthropic) had degraded performance between 08:16 and 14:36 UTC, about 6.3 h in total. The vendor posted 3 incidents.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Elevated errors on Claude Opus 5
  2. OfficialOfficially resolved: Elevated errors on Claude Opus 5
  3. OfficialOfficial incident posted: Elevated errors on Claude Opus 5
  4. OfficialOfficially resolved: Elevated errors on Claude Opus 5
  5. OfficialOfficial incident posted: Elevated errors on Claude Opus 5 and Haiku 4.5
  6. OfficialOfficially resolved: Elevated errors on Claude Opus 5 and Haiku 4.5

Hourly measurements (UTC)

00:0012:0023:00
Was Claude down on July 27, 2026?

On July 27, 2026, Claude (Anthropic) had degraded performance between 08:16 and 14:36 UTC, about 6.3 h in total. The vendor posted 3 incidents.

Is Claude working now?

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