ByteDance has open-sourced UI-TARS Desktop (3.6k⭐). Core logic: 100% local execution, pixel-only processing, no API calls. Compared to OpenAI/Anthropic's cloud-based models, it addresses two major pain points: 1. Data privacy (stays on your machine); 2. Zero-cost latency (no API fees). An efficient open-source solution for building private automated workflows.