IBM

Which metric best measures whether a RAG answer is grounded in the retrieved context?

Describe the typical agent execution loop.

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

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

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

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

Arrange the fallback ladder for a chat app whose primary model is overloaded

What does a contrastive loss optimize?

Explain G-Eval's mechanism and why it improves over direct score LLM judges

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