Best Annoy Alternatives in 2025
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Vald: A scalable, high-performance AI search engine for recommendation systems, translation, and image recognition tasks. Automate indexing and enhance search capabilities with Vald.
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pgvector: An open-source vector similarity search tool for Postgres. Store vectors with data, support exact & approximate search, and perform distance calculations. Suitable for recommendation systems, image/text retrieval, and anomaly detection.
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Discover Milvus, the popular vector database for enterprise users. Store, index, and manage large-scale embedding vectors with ease. Boost retrieval speed and create similarity search services using Milvus' advanced SDKs and indexing algorithms. Perfect for machine learning deployments and managing large-scale vector datasets.
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Search your entire digital life privately with LEANN. The most efficient RAG & semantic search for personal data, 97% less storage, zero cloud fees.
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Superlinked is a Python framework for AI Engineers building high-performance search & recommendation applications that combine structured and unstructured data.
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Anannas unifies 500+ LLMs via a single API. Simplify integration, optimize costs, and ensure 99.999% reliability for your enterprise AI apps.
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Infinity is a cutting-edge AI-native database that provides a wide range of search capabilities for rich data types such as dense vector, sparse vector, tensor, full-text, and structured data. It provides robust support for various LLM applications, including search, recommenders, question-answering, conversational AI, copilot, content generation, and many more RAG (Retrieval-augmented Generation) applications.
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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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AiPy: AI assistant using Python. Works with any LLM (GPT, local models). Automate tasks, analyze data, build apps. Open source!
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Aana SDK: Build scalable multimodal AI apps with vision, audio & language. Simplify deployment & API creation. Python & Ray-based.
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turbopuffer: Scale enterprise search to petabytes. Get fast, cost-effective hybrid (vector & full-text) search, uniquely built on object storage.
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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.
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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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AiPy: Automate local tasks with AI-generated Python. Securely analyze files, control devices & streamline your workflow on your machine.
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Vearch: Hybrid vector search database. Combine similarity & scalar filters for precise AI results. Scale effortlessly. Python/Go SDKs.
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Qdrant is a vector database for storing, searching, and managing high - dimensional vectors. It offers efficient storage, fast similarity search, scalability, and rich API. Ideal for AI, ML, and NLP applications. Click to learn more!
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Aero-1-Audio: Efficient 1.5B model for 15-min continuous audio processing. Accurate ASR & understanding without segmentation. Open source!
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VectorChord is a high-performance PostgreSQL extension for vector similarity search. Enhanced speed, scalability & affordability. Ideal for e-commerce, research & media.
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Spykio: Get truly relevant LLM answers. Context-aware retrieval beyond vector search. Accurate, insightful results.
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Explore the power of Faiss, a library for efficient similarity search and clustering of vectors. GPU acceleration and advanced methods included.
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ChanceRAG is an enterprise-grade RAG solution. Combines hybrid retrieval, Mistral's model & Annoy. Boosts accuracy, handles large datasets. Customizable for all. Expert support.
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Aerospike is a distributed NoSQL database with blazing-fast reads/writes and unmatched uptime.
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Needle, a Knowledge Threading™ platform, connects to your data sources like Google Drive. It offers AI - powered search, quick data connection, workflow automation, and more. Simplify work with Needle's features. Click to learn how it can transform your workflow.
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DSPy - a Python framework for AI systems. Modular code instead of prompt engineering. Optimizers, open-source. Build Q&A systems, pipelines, & optimize LMs. Revolutionize your AI dev.
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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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Anus: Open-source AI agent framework for advanced automation. Create single & multi-agent systems with powerful tools & flexible models.
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pgvectorscale builds on pgvector with higher performance embedding search and cost-efficient storage for AI applications.
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Build performant RAG pipelines effortlessly with Neum AI. Configurable, with built-in connectors and seamless testing and deployment capabilities.
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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.
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Spice is an open-source SQL query and AI compute engine, written in Rust, for data-driven apps and agents.