Alternatives to Faiss

Milvus

Vector Databases

Open-source vector database by Zilliz designed for billion-scale similarity search with GPU acceleration.

Lantern DB

Vector Databases

Open-source PostgreSQL vector search extension providing fast similarity search with HNSW indexing.

Vearch

Vector Databases

Open-source cloud-native vector database for deep learning and embedding similarity search.

Turbopuffer

Vector Databases

Turbopuffer is a retrieval and vector database platform designed for high-scale search, embeddings, and AI application data access patterns.

Unum Cloud

Vector Databases

AI-native vector search engine built for speed and efficiency on modern hardware.

MyScale

Vector Databases

SQL-compatible vector database combining structured and vector search for AI applications with familiar query syntax.

Vald

AI Search Engines

Open-source distributed vector search engine for billion-scale approximate nearest neighbor search.

Weaviate

Vector Databases

Weaviate is an open-source, AI-native vector database that provides vector search, hybrid search, and generative search capabilities for building context-aware AI applications at scale.

FeatureBase

Customer Feedback Analysis

Real-time analytics database with vector search for combining traditional analytics with AI-powered similarity queries.

Kdb.ai

Vector Databases

Vector database by KX Systems combining time-series data capabilities with vector search for AI applications.