majorresolved

Anthropic (Claude) outage on 2026-08-13: Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5

Started
Resolved
Duration
1h 35m

Latest update from Anthropic (Claude)

The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.

Anthropic (Claude)'s own report for this incident

Was your service affected by this Anthropic (Claude) outage?

PingView checks your endpoints every minute from four regions and keeps screenshot evidence, so you can tell a vendor outage apart from your own regression.

Start monitoring free

Other Anthropic (Claude) incidents

See the full Anthropic (Claude) outage history