Let me clarify: we are discussing how the Agent is internally implemented, given LLM calls and tools. It can be built using a graph, where one node makes decisions that branch out to tools and can loop back.

The workflow can vary. For example, it can involve multiple LLM calls chained together without branching or looping. It can also be built using a graph.

I know the terms "graph" and "workflow" can be a bit confusing. It’s like we have a low-level 'cache' at the CPU level and then a high-level 'cache' in software.