GitHub Copilot and Devin are two prominent AI-powered software development tools that offer AI-assisted development capabilities and automated code generation. GitHub Copilot excels at real-time code completion and AI pair programming, providing context-aware suggestions as you type, while Devin positions itself as a more autonomous AI developer teammate, capable of handling complete development workflows. Both tools have different approaches to automation, with Copilot focusing on real-time assistance and Devin focusing on independent code generation. They also differ in their chat capabilities, with Copilot offering natural language coding assistance and debugging help, and Devin providing project-level communication and task management. Additionally, they have varying levels of context awareness, with Copilot maintaining awareness through your current codebase and Devin taking it to a higher level by storing machine snapshots and knowledge management systems. Both tools prioritize privacy and security, but Devin offers more comprehensive security features. The pricing models also differ, with GitHub Copilot offering individual and business plans, and Devin providing a Teams Plan and Enterprise Features. Ultimately, the choice between these AI coding tools depends on whether you need an AI coding assistant or an autonomous AI developer on your team.