LLM Data Optimization Strategies 2026: Fine-Tuning, RLHF, Red Teaming & More As AI advances, the focus has shifted from data volume to data quality and expert alignment. Early LLMs relied on massive, unfiltered datasets, which led to diminishing returns, bias propagation, and ... AI model alignment DPO vs RLHF LLM data optimization LLM fine-tuning LLM red teaming LLM trainer LLM training data Large language model optimization RLHF for LLMs Jan 14, 2026