AI Agent vs LLM vs AI Assistant
An LLM is weights that need RAM. An assistant adds a chat surface. An agent adds tools and a loop, and it holds credentials, so it needs a box that stays on.
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An LLM is weights that need RAM. An assistant adds a chat surface. An agent adds tools and a loop, and it holds credentials, so it needs a box that stays on.
A VPS is one physical server sliced by a hypervisor into private machines with their own kernel and root login. What that gets you, and where it stops.
Shared hosting or a VPS? The real split is root access and who fixes the server when it breaks. When shared hosting still wins, and the four signs to move.