Faiss alternatives

Supabase is an open-source backend platform offering hosted databases, authentication, real-time data, and storage as a Firebase alternative.

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.

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

Aiven provides managed open-source data infrastructure spanning databases, streaming, analytics, and search across major cloud providers.

Cloud-native vector database company behind Milvus, providing managed vector search infrastructure for AI applications at enterprise scale.

Redis provides in-memory data storage with real-time performance for caching, session management, streaming, and AI vector search as a managed cloud service or self-managed software.

Upstash provides serverless Redis, Kafka, and vector databases designed for edge and serverless applications with per-request pricing and zero management.

Framework for creating data processing pipelines with unstructured data.

No-fuss vector database for applications needing simple semantic search.

Multi-model database supporting graph, document, key/value, time-series, and vector with SQL and Cypher APIs.

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

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

RAG-as-a-service platform for deploying production retrieval-augmented systems.

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

ParadeDB is an Elasticsearch alternative built on PostgreSQL.

Vector compute framework for building recommendation and RAG applications.

AI search and neural recommendation platform for enterprise knowledge discovery.

Open source in-memory data grid by Red Hat providing distributed caching with Kubernetes operator support.

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

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

High-performance vector database with built-in RAG capabilities and scalable architecture for AI applications.

Enterprise knowledge graph platform with vector search for connecting data silos and building intelligent applications.

Open-source big data serving engine for real-time computation, search, and recommendation at massive scale.

Tensor search engine combining vector and lexical search for multimodal AI applications.