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Dev.to
6/18/2026
Build Your Own Private ChatGPT in 15 Minutes – Local AI, Zero Cloud Cost

Build Your Own Private ChatGPT in 15 Minutes – Local AI, Zero Cloud Cost

Short summary

Deploy a ChatGPT-like interface on your GPU using Ollama and Open-WebUI for $0/month instead of ChatGPT Plus's $20. Runs fully offline with private conversations, multi-user LAN support, and model flexibility—achieving 20-25 tok/s on an RTX 3060 with Qwen3 14B.

  • •Zero-cost self-hosted alternative to ChatGPT Plus using open-source tools
  • •Fully private, offline-capable, with multi-user LAN support
  • •Docker-based setup with concrete performance metrics and model options

Generated with AI, which can make mistakes.

#ai-tools#open-source
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