Anthropic change history: Elevated errors for multiple models

Anthropic reported a major incident involving elevated errors on claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork. Started: 2026-08-24 05:06 UTC; resolved: 2026-08-24 08:30 UTC; duration: 3 h 24 min. The final update reported user errors from 04:50 UTC through 07:36 UTC, including requests to Claude Opus 5 and Fable 5.