What is LeSS (Large Scale Scrum) and how does it differ from SAFe?

LeSS (Large Scale Scrum) applies Scrum principles to multiple teams with minimal additional roles and processes, following the Agile principle of maximizing simplicity. LeSS Basic (2–8 teams): one Product Owner, one Product Backlog, one Sprint for all teams, one integrated Increment. LeSS Huge (8+ teams): adds Area Product Owners for areas of the product. LeSS vs. SAFe differences: (1) Complexity — LeSS adds minimal prescriptions (a few additional roles/events); SAFe adds extensive roles, ceremonies, and a layered hierarchy; (2) Philosophy — LeSS pursues organizational simplicity (fewer roles, fewer meetings); SAFe adds structure for enterprise governance; (3) Organizational change — LeSS requires significant organizational change (feature teams, flattened management); SAFe adapts to existing org structure; (4) Adoption difficulty — LeSS demands more fundamental change but produces leaner outcomes; SAFe is easier to "install" over existing structures but may not realize full Agile benefits; (5) Prescription — LeSS is less prescriptive, trusting teams; SAFe provides detailed guidance for every aspect. LeSS is preferred by Agile purists; SAFe by large traditional enterprises transitioning to Agile.