Mmlu

Walk through the triage order when a customer support LoRA tanks MMLU by 4 points post-deploy

Every model release cites benchmark numbers. Define what a benchmark is and name two things it cannot tell you.

MMLU is one of the best-known LLM benchmarks. Describe what it tests and its biggest blind spot.

Why does Chatbot Arena (LMSYS) give a different picture of model quality than static benchmarks like MMLU?

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