TopK vs R2R Comparison in 2025

TopK

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TopK is a cloud-native database intended for search use cases. It comes with keyword search, vector search, and metadata filtering built-in.

R2R

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SoTA production-ready AI retrieval system. Agentic Retrieval-Augmented Generation (RAG) with a RESTful API.

TopK

Launched	2024-11
Pricing Model	Free Trial
Starting Price
Tech used	Framer,Google Fonts,Gzip,HTTP/3,OpenGraph,HSTS
Tag	Data Science,Semantic Search,Vector Database

R2R

Launched
Pricing Model	Free
Starting Price
Tech used
Tag

TopK Rank/Visit

Global Rank	4987048
Country	United States
Month Visit	3343

Top 5 Countries

74.85%

13.04%

12.11%

United States United Kingdom Czech Republic

Traffic Sources

2.61%

0.41%

0.08%

5.54%

12.57%

78.45%

social paidReferrals mail referrals search direct

R2R Rank/Visit

Global Rank
Country
Month Visit

Top 5 Countries

Traffic Sources

Estimated traffic data from Similarweb

What are some alternatives?

When comparing TopK and R2R, you can also consider the following products

Seekdb - OceanBase seekdb is an open-source, AI-native search database that unifies relational, vector, text, JSON and GIS in a single engine, enabling hybrid search and in-database AI workflows.

VectorDB - VectorDB is a simple, lightweight, fully local, end-to-end solution for using embeddings-based text retrieval.

DeepSearcher - DeepSearcher: AI knowledge management for private enterprise data. Get secure, accurate answers & insights from your internal documents with flexible LLMs.

Spykio - Spykio: Get truly relevant LLM answers. Context-aware retrieval beyond vector search. Accurate, insightful results.