Vector Databases

Vector databases and search tools for embeddings, semantic retrieval, RAG, and AI memory.

Chroma

Open-source vector database for RAG and AI memory

API AI Model Open Source

Milvus

Open-source vector database for billion-scale similarity search

API Open Source

pgvector

Open-source PostgreSQL extension for vector similarity search and embeddings.

Open Source

Pinecone

The most widely used managed vector database

API AI Model

Qdrant

Open-source vector database built in Rust for performance

API Open Source

Vespa

Open-source platform for large-scale vector search, ranking, and machine-learned retrieval.

API Open Source

Weaviate

Open-source vector database with hybrid and multimodal search

API Open Source

Zilliz

Managed vector database from the team behind Milvus

API Open Source

Sign in to continue

It's easier when you're signed in — Altern helps you get more out of AI.

By continuing you agree to our Terms and Privacy Policy.