Anthropic's Claude Opus 5 AI Model Briefly Experiences Service Interruption

Anthropic's Claude Opus 5 AI model experienced a service disruption, leading to degraded performance across Claude.ai, its API, Claude Code, and Claude Cowork due to elevated error rates. The company swiftly investigated and resolved the issue within hours on July 27, 2026, impacting users reliant on these AI services. This event underscores the operational challenges and importance of service stability in advanced AI platforms.