Universal I/O in Qdrant
How Qdrant talks to different storage backends through a unified I/O interface
Luis Cossío, Clelia Bertelli
October 12, 2026
Technical Articles
Explore vector search concepts, retrieval research, Qdrant internals, and application patterns.
Read technical explanations, experiments, and engineering decisions from the Qdrant team.
Recently Published
The latest research and engineering explanations from the team.
miniCOIL EN-ES: Sparse Neural Retrieval Across the Language Barrier
miniCOIL goes bilingual: concept-based exact matching for English and Spanish, research preview.
Juan Pablo Sotelo and Evgeniya Sukhodolskaya
October 8, 2026
Why Hyperbolic Embeddings Matter for Hierarchical Data
An early look at hierarchical data in curved space, and how to search it in Qdrant.
Matin Mahmood and John Kupchanko
September 8, 2026
Vector Search Fundamentals
Understand vector search concepts, embeddings, and the trade-offs behind retrieval systems.
Why Vector Search Needs a Dedicated Database
Why add-on vector search looks good — until you actually use it.
Evgeniya Sukhodolskaya & Andrey Vasnetsov
February 17, 2025
What is a Vector Database?
What Is a Vector Database? Concepts, Architecture & Use Cases | Qdrant
Sabrina Aquino & Chadha Sridi
October 9, 2024
Vector Embeddings Explained: How They Work in ML & Search
Explore the power of vector embeddings. Learn to use numerical machine learning representations to build a neural search service.
Sabrina Aquino
February 6, 2024
Embeddings & Machine Learning
Explore embedding models, sparse retrieval, late interaction, and metric learning.
miniCOIL EN-ES: Sparse Neural Retrieval Across the Language Barrier
miniCOIL goes bilingual: concept-based exact matching for English and Spanish, research preview.
Juan Pablo Sotelo and Evgeniya Sukhodolskaya
October 8, 2026
Why Hyperbolic Embeddings Matter for Hierarchical Data
An early look at hierarchical data in curved space, and how to search it in Qdrant.
Matin Mahmood and John Kupchanko
September 8, 2026
MUVERA: Making Multivectors More Performant
Making multi-vector retrieval more efficient by approximating it with single-vector search
Kacper Łukawski
September 5, 2025
Relevance & Evaluation
Understand relevance feedback, discovery, evaluation, and dataset quality.
Predicting Weak Retrieval Without an LLM
Cheap signals flag weak retrieval before you pay for a rerank or LLM judge. The one that works depends on how your search fails.
Dylan Couzon
June 24, 2026
Relevance Feedback in Qdrant
The story behind the vector search-native relevance feedback feature, available since 1.17.0, which increases the relevance of search results universally, cheaply, and at scale.
Evgeniya Sukhodolskaya
February 20, 2026
Relevance Feedback in Information Retrieval
A survey of relevance feedback methods from lexical and neural retrieval research, and why vector search engines lack them.
Evgeniya Sukhodolskaya
March 27, 2025
Indexing & Storage
Explore filterable HNSW, quantization, memory use, and Qdrant storage mechanisms.
Universal I/O in Qdrant
How Qdrant talks to different storage backends through a unified I/O interface
Luis Cossío, Clelia Bertelli
October 12, 2026
Filtered Vector Search: What ACORN Fixes, and What Fixes ACORN
ACORN repairs filtered HNSW search at query time, extra edges at index time. We benchmarked both in Qdrant on one million points.
Dylan Couzon & Meina Ghafouri
August 7, 2026
TurboQuant in Qdrant
TurboQuant ships in Qdrant 1.18
Ivan Pleshkov & Jonas Schulz
May 13, 2026
RAG & Agents
Understand retrieval in language-model applications and agent systems.
Is RAG Dead? Why Long Context Windows Don't Replace RAG
What published measurements show about long context windows versus retrieval: quality, cost, latency, and when each approach fits.
David Myriel & Chadha Sridi
August 4, 2026
What is Agentic RAG? Building Agents with Qdrant
Will agentic RAG replace linear RAG? Learn how to build agents with Qdrant and which framework is best for your use case.
Kacper Łukawski
November 22, 2024
Understanding Retrieval-Augmented Generation (RAG)
What is RAG?
Sabrina Aquino
March 19, 2024