Alternatives to Unum Cloud

Marqo

AI Search Engines

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

Vearch

Vector Databases

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

Vald

AI Search Engines

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

Meta's library for efficient similarity search and clustering of dense vectors at billion-vector scale.

Lantern DB

Vector Databases

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

Vespa

Vector Databases

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

LanceDB

Vector Databases

Open-source serverless vector database built on Lance columnar format for multimodal AI applications.

Milvus

Vector Databases

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

MyScale

Vector Databases

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