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The Hidden Ceiling: How OCR Quality Limits RAG Performance

The Hidden Ceiling: How OCR Quality Limits RAG Performance

Benchmarking shows OCR errors cap text-based RAG: top OCR still misses 4-5% NDCG@5, while Mixedbread's multimodal vector store beats perfect text by 12% and recovers 70% of lost answer accuracy.

Research
May 14, 2025
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22 min read
Aamir Shakir, Julius Lipp, and 3 others
Baking in Performance - Dynamic Batching with Batched

Baking in Performance - Dynamic Batching with Batched

Learn how dynamic batching boosts GPU efficiency in machine learning. We introduce Batched, our open-source library that makes it easy to implement dynamic batching and improve performance in your ML projects.

Engineering
7 min readSeptember 16, 2024
Getting Better with Baguetter - New Retrieval Testing Framework

Getting Better with Baguetter - New Retrieval Testing Framework

Baguetter is our new open-source retrieval experimentation framework that combines sparse, dense, and hybrid retrieval into a single, easy-to-use interface. It enables fast benchmarking, implementation, and testing of new search methods.

Engineering
7 min readAugust 23, 2024
BM𝒳: A Freshly Baked Take on BM25

BM𝒳: A Freshly Baked Take on BM25

Introducing BMX, an iteration on the industry standard BM25 search algorithm. Through the incorporation of entropy-weighted query-document similarity and weighted query augmentation, the algorithm can increase search performance on the most relevant information retrieval benchmarks.

ResearchEngineering
15 min readAugust 12, 2024