I've spent the last month putting both tools through their paces on real projects—a Django REST backend, a React frontend with OAuth, and a legacy Java monolith that needed microservice surgery. Here's what I found.
The Short Version
If you're an individual developer or small team, GitHub Copilot is still your daily driver. If you have $500/month per seat burning a hole in your pocket and need to automate entire feature branches, **Dev