The Typical AI Agent Stack, Explained Most people think an AI agent is just a clever prompt and an LLM. The reality is much deeper. There's an entire architectu... (opens in new tab)

The Typical AI Agent Stack, ExplainedMost people think an AI agent is just a clever prompt and an LLM. The reality is much deeper. There's an entire architecture working behind the scenes to make it all run.The diagram below shows the full AI Agent Stack. At the core is the Agent Runtime that runs a ReAct loop, and three other layers feed into it. AI Agent Runtime: The LLM thinks about what to do, picks a tool, observes the result, then reflects and decides the next step. This loop repeats un...