New Multi-region uptime checks and custom-domain status pages
Anthropic (Claude)

Degraded performance for Claude Opus 5, Claude Sonnet 5

Minor Impact Resolved Duration: 2d 12h 12m August 17, 2026

Incident Lifecycle

Investigating Investigating Monitoring
Affected Components
claude.ai Claude API (api.anthropic.com) Claude Code Claude Cowork

Incident Timeline

Monitoring
A fix has been implemented and we are monitoring the results.
Aug 17, 2026 at 2:39 PM UTC
Investigating
Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.
Aug 17, 2026 at 2:25 PM UTC
Investigating
We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
Aug 17, 2026 at 1:56 PM UTC
Was your business affected by this Anthropic (Claude) outage?
Follow Anthropic (Claude) and route available status alerts to email or a team channel.
Set Up Alerts → View Anthropic (Claude) History

Similar Anthropic (Claude) Incidents

Issues logging into Claude.ai Minor Aug 24, 2026 Elevated errors on Google connectors Minor Aug 20, 2026 Degraded performance for Claude Opus 5 and Claude Haiku 4.5 Minor Aug 19, 2026 Degraded performance for multiple models Minor Aug 18, 2026 Service disruption on Claude Code on the web and related services Minor Aug 14, 2026