What is Constitutional AI / RLAIF, and how does it differ from RLHF?
RLAIF and Constitutional AI trade human preference labels for AI-generated ones to scale alignment. What shows depth is naming exactly what they substitute for human feedback, and the consistency-versus-bias tradeoff that swap introduces.
Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.
RLAIF and Constitutional AI trade human preference labels for AI-generated ones to scale alignment. What shows depth is naming exactly what they substitute for human feedback, and the consistency-versus-bias tradeoff that swap introduces.
Lead with where the obvious approach breaks, because that is the judgment they are screening for — most candidates jump straight to the happy path and lose the room.
Then walk the failure back through the pipeline in order, naming the one metric the customer's exec sponsor actually cares about before you propose the fix.
