Degraded performance for Claude Opus 5, Claude Sonnet 5

Resolved

Yes — Claude had a problem on August 17, 2026, and Claude (Anthropic) has since marked it resolved. Claude (Anthropic)'s latest word: “This incident has been resolved.”

See Claude's live status →

Timeline

Started: 8/17/2026, 1:56:41 PM

Last update: 8/17/2026, 3:29:25 PM

Resolved: 8/17/2026, 3:29:25 PM

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

resolved
This incident has been resolved.
8/17/2026, 3:29:25 PM
monitoring
A fix has been implemented and we are monitoring the results.
8/17/2026, 2:39:58 PM
investigating
Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.
8/17/2026, 2:25:27 PM
investigating
We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
8/17/2026, 1:56:41 PM

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Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 — resolved, 3d ago
Delayed credits on the Claude Platform — resolved, 7d ago

Is Claude down right now?All outage history →