Claude: Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, and Sonnet 4.6

Anthropic experienced elevated error rates across multiple Claude models (Opus 4.8, 4.7, 4.6, Sonnet 4.6, and Haiku 4.5) on June 22, 2026, affecting claude.ai, the Claude API, Claude Code, and Claude Cowork. The issue was identified and fixed within approximately two hours, with all affected models recovering by 02:06 UTC.