The ColPali model series

Introducing the ColPali model, its implementation in Elasticsearch, and how to scale late interaction models for large-scale vector search.

Part 1

Search Relevance Vector Database+1

March 18, 2025

Searching complex documents with ColPali - part 1

The article introduces the ColPali model, a late-interaction model that simplifies the process of searching complex documents with images and tables, and discusses its implementation in Elasticsearch.

PS BT

By: Peter Straßer and Benjamin Trent

Part 2

Search Relevance Vector Database+1

March 20, 2025

Scaling late interaction models in Elasticsearch - part 2

This article explores techniques for making late interaction vectors ready for large-scale production workloads, such as reducing disk space usage and improving computation efficiency.

PS BT

By: Peter Straßer and Benjamin Trent

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