Best TopK Alternatives in 2025
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VectorDB is a simple, lightweight, fully local, end-to-end solution for using embeddings-based text retrieval.
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Build vector search and hybrid search with Elasticsearch's open source vector database — from the leaders in BM25 text search. Try Elasticsearch's vector database, free....
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Use managed or self-hosted vector databases to give LLMs the ability to work on YOUR data & context.
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MaxKB is a powerful knowledge base question and answer system based on the LLM language model. It offers seamless integration and supports multiple models for an enhanced interactive experience.
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Pinecone is the leading AI infrastructure for building accurate, secure, and scalable AI applications. Use Pinecone Database to store and search vector data at scale, or start with Pinecone Assistant to get a RAG application running in minutes.
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Trieve combines powerful language models with tools for human fine tuning. Get features like dense vector semantic search, sparse vector full-text search, cross encoder re-ranker models, RAG endpoints, relevance weighting, and more in a single service.
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Supercharge your AI applications with Zilliz's Milvus vector database. Deploy and scale your vector search apps hassle-free with Zilliz Cloud.
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Discover the power of SemaDB, the low-cost, high-performance vector database for AI applications. Uncover hidden connections and enhance your search experience with natural language interaction.
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With Searchbase Cloud building your search experience is as easy as connecting your data source, building your query with our visual helper, and integrating it with your application by calling the query.
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Build on the only database that allows you to transact, analyze and contextualize your data in real time.
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With CrateDB, query any type of data via SQL. Ideal for time series, document, and vector data workloads. Distributed, native SQL, open source, ready for AI.
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Elevate your business by using your data to power AI bots. Provide rich and up-to-date context to your LLM apps using our fully-managed data pipeline.
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Rerank 3 is an advanced model optimized for enterprise search and retrieval assistance generation (RAG) systems.
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Discover the client-vector-search library: embed, store, search, and cache vectors effortlessly. Enhance your applications with efficient vector search capabilities.
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Top SEO Kit offers SEO & digital Marketing tools you need to boost your website’s organic traffic. It offers a range of free and useful tools & services for search engine optimization and website analysis.
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A multi-modal database that provides multi-modal strong consistency data storage such as relationships, vectors, and text, and provides multi-modal joint analysis capabilities based on SQL
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Tako, the groundbreaking AI search engine that visualizes and shares the world’s knowledge, revolutionizing research and storytelling with its real-time data sourcing and engaging displays.
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SvectorDB allows you to set up a serverless vector database in under 120 seconds, perfect for RAG chatbots, document search, and recommendations.
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Fast, Accurate, Production-Ready AI Turn your unstructured data into perfectly optimized vector search indexes, purpose-built for Retrieval Augmented Generation
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USearch is a highly efficient and compact single-file similarity search engine designed for vectors and upcoming text applications.
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CapybaraDB streamlines data management for AI apps. Built on MongoDB and Pinecone, it offers features like EmbJSON for semantic search, async processing, and native multi - modal support. Simplify AI development, reduce costs, and manage diverse data easily.
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ChatterKB is an AI powered document assistant. Effortlessly upload files, chat with your data for instant answers, pin insights, and build dynamic dashboards. Save time, gain clarity, and enhance collaboration.
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Discover AutoKT, the developer-centric documentation engine. It automatically updates documentation, analyzes code changes, and provides semantic search for easy access to information.
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PGVecto.rs is a Postgres extension that enables scalable vector search, allowing you to build powerful similarity-based applications on top of your Postgres database.
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Marqo is more than a vector database, it's an end-to-end vector search engine. Vector generation, storage and retrieval are handled out of the box through a single API. No need to bring your own embeddings.
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Discover how Analytics to Elevate Semantic Search can optimize embedded documents, improve search results, and enhance user experiences.
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Rockset is the search and analytics database built for the cloud. With real-time indexing and full-featured SQL on JSON, time series, geospatial and vector data, Rockset is the cloud-native alternative to Elasticsearch for building search, analytics and AI applications.
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Low code enterprise data platform for transformation, embedding and vector database load.
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Carbon is a developer-first platform that connects external data to LLMs, enabling AI to access and utilize custom data sources for tailored responses.
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Chroma: Open-source vector database with a user-friendly API for document management and efficient queries. Perfect for content recommendation and similarity search.