Pattern

MTEB, BEIR, and benchmark resources

Provide standardized measurement of retrieval components — MTEB for embedding models (expanded in 2025 as MMTEB to 500+ tasks in 250+ languages, with the leaderboard split into named benchmarks), BEIR for retrievers on a curated set of zero-shot retrieval benchmarks, RAGAS for end-to-end RAG quality — with public leaderboards that update as new models and methods are released.

Classification Benchmarks and leaderboards for the retrieval stack.