Neptune.ai

Scoring RAG faithfulness with an LLM judge and no gold answers: how it works and where it goes wrong

Why the supervisor agent is often the dominant cost line in a supervisor topology

Why per agent allowed handoff targets lists are the cheap fix for ping pong loops

How online sampled evals turn into a continuous quality signal in production

How model routing turns into a structural lever for LLM cost control

Explain what the LCEL pipe operator does and why it became modern LangChain's central abstraction

Match each embedding storage reduction technique to its compression ratio and quality cost

Inside a T5 style encoder-decoder, which sub-layer reads the encoder outputs, and through which projection?

Name the additive bias term in attention and the two things it most commonly carries.

BLEU score comes up in a meeting. What does it measure and when does it still make sense?