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Introducing RTEB: A New Standard for Retrieval Evaluation

Updated September 26, 2026 · 2:45 PM · source date October 1, 2025

Summary

Introducing RTEB: A New Standard for Retrieval Evaluation Introducing RTEB: A New Standard for Retrieval Evaluation Published October 1, 2025 Update on GitHub Upvote 149 Frank Liu fzliu MongoDB Kenneth Enevoldsen KennethEnevoldsen mteb Solomatin Roman Samoed mteb Isaac Chung isaacchung mteb Tom Aarsen tomaarsen mteb Fődi, Zoltán fzoll MongoDB TL;DR – We’re excited to introduce the beta version of the Retrieval Embedding Benchmark (RTEB) , a new benchmark designed to reliably evaluate the retrieval accuracy of embedding models for real-world applications. Existing benchmarks struggle to measure true generalization, while RTEB addresses this with a hybrid strategy of open and private datasets.

Why it matters

This Research is relevant to the technology intelligence record because it involves GitHub, OpenAI, Google, Mistral AI. The source article should remain the factual reference for follow-up coverage.

Key facts
  • Introducing RTEB: A New Standard for Retrieval Evaluation Published October 1, 2025 Update on GitHub Upvote 149 Frank Liu fzliu MongoDB Kenneth Enevoldsen KennethEnevoldsen mteb Solomatin Roman Samoed mteb Isaac Chung isaacchung mteb Tom Aarsen tomaarsen mteb Fődi, Zoltán fzoll MongoDB TL;DR – We’re excited to introduce the beta version of the Retrieval Embedding Benchmark (RTEB) , a new benchmark designed to reliably evaluate the retrieval accuracy of embedding models for real-world applications.
  • Existing benchmarks struggle to measure true generalization, while RTEB addresses this with a hybrid strategy of open and private datasets.
  • Its goal is simple: to create a fair, transparent, and application-focused standard for measuring how models perform on data they haven’t seen before.
  • The performance of many AI applications, from RAG and agents to recommendation systems, is fundamentally limited by the quality of search and retrieval.
  • As such, accurately measuring the retrieval quality of embedding models is a common pain point for developers.
  • How do you really know how well a model will perform in the wild?
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