An incident affecting multiple models has been identified, with elevated error rates reported across Sonnet 4.0, Sonnet 4.5, and Opus 4.5. The issue is currently under investigation by Anthropic’s engineering team. The outage impacts key services including claude.ai, platform.claude.com (formerly console.anthropic.com), the Claude API (api.anthropic.com), and Claude Code. Users may experience degraded performance, timeouts, or incorrect outputs when interacting with these platforms. Anthropic has confirmed that the problem is isolated to these specific model versions and is not affecting all models or services uniformly. The company is actively working to diagnose the root cause and implement a resolution. Updates will be provided through the official status page as more information becomes available. Customers are advised to monitor the status page for real-time developments and expected timelines for recovery. This incident underscores the ongoing challenges in maintaining reliability across advanced AI systems, especially as model complexity and usage continue to grow. Anthropic is prioritizing stability and is committed to restoring full functionality as quickly and safely as possible.