[Claude Experiences Authentication Failures Across Multiple Services; Anthropic Investigating] According to Claude's official status page, the error rate for claude.ai, Claude Code, and platform.((claude.com)) has increased, causing some users to be unable to log in to Claude.ai and Claude Code. This incident affects four services: claude.ai, Claude Console (platform.((claude.com))), Claude Code, and Claude Cowork. Anthropic issued a statement at 17:58 UTC+8 on November 13th, stating that the incident is under investigation and the cause of the failure and estimated recovery time have not yet been announced. They also stated they will provide updates as soon as possible.