BuildPrivateAI
Operator profile

Mark Chang

Operator

Software engineer by trade, entrepreneur by nature. I’m a hands-on builder who’s always experimenting, learning, and turning ideas into practical AI products.

Setup
  • RTX 4070 Ti 12 GB
  • DGX Spark 128 GB
LinkedIn Hugging Face
ai-agentsai-coding-assistantai-computeai-home-labai-infrastructureggufgpu-inferencellama-cppllm-benchmarkinglocal-ailocal-ai-setuplocal-llmsopen-weight-modelsprivate-aiprivate-llmquantizationrun-ai-locallysafetensorsself-hosted-aivllm
Writing

Published notes

Private AI Is Not Just About Privacy: It’s About Cost, Consistency, and Control

Private AI is not just about keeping data private. For serious AI users, local LLMs matter because of cost, consistency, control, open-weight models, and the limits of hosted AI subscriptions.

Mark Chang · Jun 27, 2026