Devin

Devin is an autonomous AI coding agent for end-to-end software tasks, with a free tier and paid plans from $20/month. It operates its own shell, editor, and browser to plan and execute complex coding jobs like refactoring, migrations, and feature development. The tool supports multiple AI models including its proprietary SWE 1.6, and offers cloud agents (Devin Cloud) for scaled-up work. Pricing: Free (limited quotas), Pro $20/month, Max $200/month, Team $80/month + $40 per additional user (with custom Enterprise options). It is designed for solopreneurs, developers, and teams handling large codebase migrations or repetitive refactoring. Typical use cases include automating multi-million line code refactors, parallelizing monotonous engineering tasks, and increasing productivity on complex software projects.