TREC RAG 2026 Adopts NVIDIA ClimbMix Corpus for Evaluation

Does retrieval help RAG or did the LLM already memorize the answer? 🤔 Too often, the overlap between RAG corpora and what LLMs “know” is unclear Better RAG evaluation needs tighter alignment between NLP and IR 📚 That's why for RAG 2026 we are using @nvidia's ClimbMix corpus