Most "AI chat widget" tutorials assume you're calling out to an LLM API. This post is about the version where you don't -- where the model runs in the visitor's own browser, the cost per conversation is exactly zero, and nothing about what someone asks ever leaves their machine. The problem wit...
Source: [Dev.to](https://dev.to/tony_hildn_26f6eb18f87d2/building-a-3-tier-on-device-ai-concierge-gemini-nano-minilm-keyword-0query-30aj)