How Anthropic runs large-scale code migrations with Claude Code | Claude by AnthropicCode migrations, projects that port a production codebase to a new language, were multi-year endeavors until recently. In the last month, individual developers at Anthropic migrated 10 code packages consisting of tens to hundreds of thousands of lines of code using Claude Fable 5, Claude Opus 4.8, and dynamic workflows. In this article we’ll cover two examples along with best practices from these
