Databricks Vector Search alternatives
6 rag tools in the same lane as Databricks Vector Search, ranked by editorial score.
MA
MongoDB Atlas Vector Search
RAG · Bring-your-own embeddings (OpenAI, Cohere, open models); native Voyage AI embeddings and rerankers
8.6
Vector search built into the operational database you're already using.
Freemium· Free: $0 · Flex: Up to $30 · Dedicated: Starts at $56.94RAG over enterprise documentsProduct and content recommendation engines
EV
Elasticsearch Vector Search
RAG · BYO embeddings (OpenAI, Cohere, Hugging Face, Mistral, Bedrock, Vertex, Azure) plus Elastic's built-in ELSER sparse model and E5 dense model
8.7
Hybrid vector + keyword search in the enterprise-grade Elasticsearch engine
Freemium· Resource based pricing: Pay as you go (monthly) or prepaid · Usage based pricing: Pay as you go (monthly) or prepaid · License based pricing: ?RAG chatbot over enterprise docsHybrid semantic + keyword product search
LA
LanceDB
RAG
8.2
Open-source multimodal lakehouse and vector database built for AI training and retrieval at petabyte scale.
Freemium· Open-source free; LanceDB Cloud and Enterprise via contact salesvector-searchrag
DA
DataStax Astra DB
RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize
8.6
Serverless vector and document database for production RAG and AI agents
Freemium· Small On-Demand: Contact sales · Medium (Balanced): Contact sales · Medium (Storage Optimized): Contact sales · Large (Balanced): Contact sales · Large (Storage Optimized): Contact salesRAG chatbot over enterprise documentsAgent long-term memory store
PO
PostgresML
RAG · Multi-model (Llama, Mistral, open-source embeddings)
7.1
PostgreSQL extension that runs embeddings, vector search, and LLM inference inside your database.
Freemium· Serverless: From $7.50 per query hour · Dedicated: From $0.60 per instance hour · Enterprise: Custom pricingvector-searchrag
ME
Meilisearch
RAG · Retrieval engine (Rust); pluggable embedders including OpenAI, Cohere, Hugging Face, Ollama and custom REST models
Open-source, lightning-fast search engine with built-in hybrid and vector search for RAG
Freemium· Cloud: $20/month · Usage-based: $30/month · Resource-based: $23/month · Instance: $18/monthE-commerce product searchDocumentation and knowledge base search