Local LLMs Beat Cloud Services: Free Proofreading Without Uploading Every Keystroke

Grammarly's strength was never its grammar engine—it was the diff interface that shows you exactly what changed. Running AI locally with Ollama replicates this advantage while eliminating both subscription costs and privacy risks. This reflects a fundamental shift: as commodity AI becomes free and locally executable, competitive advantage moves from algorithms to interface design and user control. For organizations banning cloud tools due to data sensitivity, this opens an entirely new category of workplace-safe AI applications.