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Dev.to
5/12/2026
I Built a Private AI Assistant That Runs 100% Locally — No Cloud, No Subscriptions

I Built a Private AI Assistant That Runs 100% Locally — No Cloud, No Subscriptions

Short summary

CrustAI is a self-hosted, privacy-first AI assistant that runs entirely locally using Ollama, supporting Telegram, WhatsApp, Discord, and Slack without sending data to the cloud. The post includes a complete setup guide using Node.js and explains how to deploy lightweight models like tinyllama on modest hardware. The project is open-source with long-term memory, REST API, and configurable personality features.

  • •Self-hosted AI assistant using Ollama with zero cloud data transmission
  • •Supports Telegram, WhatsApp, Discord, and Slack integrations
  • •Complete open-source setup guide with memory persistence and REST API

Generated with AI, which can make mistakes.

#product-launch#ai-tools#open-source
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