I tested Devin AI to explore its features, pricing, pros, and cons. Read this Devin AI review for non-technical users to see if it can help you. Devin is an autonomous AI software engineer that can write, run and test code. Devin can refactor code, handle small bugs and user requests before they end up in your backlog, review PRs, write unit tests, repro bugs, build your internal tools, and a lot more! Devin , launched by Cognition Labs, became the world’s first fully autonomous AI software engineer — capable not just of writing code, but of planning, debugging, running entire development... How Devin AI works? Devin , the autonomous AI software engineer, works by using lots of advanced tech. Here's how it does its job: 1. Long-Term Reasoning and Planning Devin uses long-term planning tools to break complicated jobs into smaller steps. It looks at what needs to happen first, what might get in the way, and what could ...