This story was originally published on HackerNoon at: https://hackernoon.com/keyword-first-search-cant-scale-to-ai-heres-what-replaces-it.
Algolia & Elasticsearch added vector search, but hybrid retrieval is harder than it looks. Where keyword-first architecture breaks and what actually works.
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Keyword search engines like Algolia were designed for precise lookups across structured catalogs. But modern search demands semantic understanding, constraints, personalization, and real-time signals.