TopK is described as 'It features native support for both vector search (vectors are simply another data type) and keyword search (BM25-style) in a single, unified system. With its powerful query expression language, TopK enables you to build reliable search applications (semantic search, RAG' and is an website in the online services category. There are 2 alternatives to TopK, not only websites but also apps for. The best TopK alternative is Pinecone, which is both free and Open Source.
Unlock powerful vector search with Pinecone — intuitive to use, designed for speed, and effortlessly scalable.
Pinecone is the most popular Web-based alternative to TopK.
Pinecone is the most popular Open Source & free alternative to TopK.
API-first search platform that enables developers to implement intelligent search capabilities without the complexity of managing ML infrastructure. Through its RESTful API, it automatically indexes and updates website content, leveraging vector databases and AI embeddings to...
vecr.io is the most popular commercial alternative to TopK.
United States
The description here is odd as Pinecone certainly isn't open source and falls behind in many ways compared to TopK.