Insights

Searchplex Blog

Writing on retrieval engineering, production search systems, migration decisions, and what we are learning in the field.

When Reranking Becomes a System Boundary

A reranker only sees what retrieval allows to survive. That changes evaluation, system boundaries, and ownership of relevance.

Why mature search systems keep working while each meaningful improvement takes more coordination, validation, serving cost, and risk.

How to recognize when a working search stack is entering a straining regime, and what recurring cracks usually mean.

Search gets hard when retrieval, filtering, ranking, and business rules must behave like one coherent system under real production pressure.

Surface hidden gems from your archive, automatically, right before you hit publish.

Launching Find & Mind, a new Amsterdam-based community meetup for Search, IR, RAG, and Applied AI.

Search infrastructure, AI, and what changed in real conversations at Berlin Buzzwords 2025.

Searchplex announces its official Vespa.ai partnership and what that means for search, retrieval, and implementation work.