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Interactive Explainer

What is Agentic AI?

AI systems that accomplish goals with limited supervision: autonomy, tool use, and orchestration. The shift from models that respond once to agents that loop until the goal is done.

How this might come up in interviews

System design rounds for AI Engineer and ML platform roles. "Design an autonomous coding assistant" or "Build an agentic customer support system" — you need to explain the loop, tool design, memory, and guardrails.

Common questions:

  • What is the difference between a chatbot and an agentic AI system?
  • Explain the ReAct pattern and why chain-of-thought matters for agents.
  • How would you design a multi-agent system to book international travel?
  • What are the risks of giving an agent irreversible tool access?
  • How do you prevent reward hacking in an agentic system?

Strong answer: Mentions the ReAct pattern by name. Classifies tools by reversibility. Proposes audit trails and explicit error contracts for multi-agent systems. Knows that tool description quality drives agent decision quality.

Red flags: Calls any LLM with a function call "agentic". Cannot explain what happens when a tool fails. Has no answer for how to prevent the agent from taking unintended actions. Thinks bigger context windows solve memory problems.

Key takeaways

  • Agentic AI loops: Perceive → Reason → Decide → Execute → Observe — until the goal is achieved
  • Gen AI generates text. Agentic AI uses that to take real-world actions via tools (APIs, DBs, search)
  • Tool description quality is the #1 factor in agent reliability — not model size
  • Every irreversible action (book, send, charge) needs human-in-the-loop until accuracy is proven
  • Multi-agent: orchestrator breaks the goal, specialist subagents each handle their domain
  • Governance is not optional — poorly designed reward functions cause real production incidents

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