RAG vs. Fine-Tuning vs. Long Context

For a couple of years, this was framed as a simple either/or question: retrieve relevant chunks at query time (RAG), or bake knowledge into the model's weights (fine-tuning). In 2026, that framing is outdated there's now a legitimate third option, and the decision has become a genuine three-way trade-off. What Changed Two structural shifts moved... Weiterlesen