A practical breakdown of 10 AI agent types, from reactive to multi-agent systems

goyalshaliniuk · x · 2026-07-24

The post breaks down 10 common agent types seen in real systems, from simple task-specific and reactive agents to goal-based, utility-based, learning, planning, and multi-agent systems.

It distinguishes whether an agent uses memory, internal world models, goal-seeking, utility maximization, long-term planning, or coordination with other agents. The takeaway is that “AI agents” are not one thing, and the design choices matter a lot when building agentic systems.

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