Character.AI

What distinguishes an AI agent from a plain LLM call?

Describe the typical agent execution loop.

How does least privilege tool scoping reduce security risk in an agent system?

What is task decomposition in an agent, and why is it useful?

Compare CrewAI, AutoGen, and LangGraph coordination models and their reliability tradeoffs

List SWE-bench, AgentBench, GAIA, and TAU-bench: what they measure, their shared blind spots, and how to interpret agent benchmark numbers.

Which practices reflect the principle of least privilege applied to an agent's tool set?

What LangGraph feature allows the agent loop to cycle back to an earlier node rather than terminating?

You're migrating a production prompt from Claude Opus 4.7 to GPT-5.5 to cut cost. What's the most reliable indicator that you can or cannot move the prompt as is?

When is a fixed LCEL chain preferable to an agent loop, and what is the decisive question to ask?