Major impactResolvedAI/ML

Anthropic outage: Elevated errors for Claude Opus 5.5

Anthropic reported this major-impact incident on its official status page on Oct 24, 2026, 00:31 UTC. It was resolved after 6 min.

Right now Anthropic is operational. Live Anthropic status →

🔔 Get alerted when Anthropic has issuesFree · email alerts · no credit card
Oct 24, 2026, 00:31 UTC
started
Oct 24, 2026, 00:37 UTC
resolved
6 min
duration
Major
impact

Affected components

  • Claude API (api.anthropic.com)
  • Claude Code
  • Claude Cowork
  • claude.ai

Timeline

updates from Anthropic's status page ↗
  1. resolvedOct 24, 2026, 00:37 UTC

    The issue affecting Claude Opus 5.5 has been resolved. Impact occurred from 17:23 PT on October 23 / 00:23 UTC on October 24 to 17:34 PT on October 23 / 00:34 UTC on October 24.

  2. investigatingOct 24, 2026, 00:31 UTC

    We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.

What APIStatus.watch saw

  • Oct 23, 2026, 23:38 UTCoperational → partial outage
  • Oct 23, 2026, 23:58 UTCpartial outage → degraded
  • Oct 24, 2026, 00:13 UTCdegraded → operational
  • Oct 24, 2026, 00:33 UTCoperational → degraded
  • Oct 24, 2026, 00:38 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

How often does Anthropic have incidents?

Anthropic reported 53 incidents in the last 90 days, 25 of them major or critical. A typical incident lasted 1h 3m. See Anthropic's uptime and incident history

← Previous: Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (Oct 23, 2026)