Anthropic reported elevated errors for Claude Sonnet 5.5 for 35 minutes
Some requests to Claude Sonnet 5.5 failed on claude.ai, the Claude API, Claude Code and Claude Cowork, which Anthropic marked as a partial outage. It's resolved.
Source
"We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible."
Published