How to Build a Personal AI Computer in 2026: Mac Studio vs DGX Spark vs RTX 5090, and the Local AI Stack That Actually Matters
Quick answer: Choose by the work you’ll repeat every week, not by benchmarks. A Mac mini or Mac Studio is the simplest, quietest route for private document search, writing, transcription and light coding, because unified memory lets bigger models fit (an M4 Pro Mac mini with 64 GB is a sensible start; a Mac Studio…