I've used both extensively. In my experience, rspec is easier for novices to ramp up, and minitest is easier for experienced developers. For larger projects an

I've used both extensively. In my experience, rspec is easier for novices to ramp up, and minitest is easier for experienced developers. For larger projects and larger team, minitest is better IMHO because it works more cleanly with more kinds of tooling, such large-scale refactoring tools, code quality analysis tools, and AI-coding tools.