Elevated errors on Claude Opus 4.7
major- Started
- May 27, 1:43 AM EDT
- Resolved
- May 27, 2:40 AM EDT
- Duration
- 58 min
As reported by Anthropic's official status page (status: resolved). We report the vendor's own words, never an inferred cause.
Outage recap · Anthropic
Claude outage — May 27, 2026
On May 27, 2026, Claude had 2 reported incidents on Anthropic's official status page. Below is what was reported — impact, timing, and the AI services the same upstream outage could affect.
Elevated errors on Claude Opus 4.7
major- Started
- May 27, 4:04 AM EDT
- Resolved
- May 27, 5:41 AM EDT
- Duration
- 1h 37m
As reported by Anthropic's official status page (status: resolved). We report the vendor's own words, never an inferred cause.
The AI cascade
Claude depends on Anthropic. When that upstream has an incident, it doesn't hit Claude alone — these AI tools share the dependency and can degrade at the same time:
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AIDownCheck is not affiliated with Anthropic. This recap summarizes incidents published on Anthropic's official status page.