Feast alternatives
6 rag tools in the same lane as Feast, ranked by editorial score.
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
DV
Databricks Vector Search
RAG · Multi-model (BYO embeddings or Databricks-hosted)
8.1
Managed hybrid vector search that lives inside the Databricks lakehouse and auto-syncs with your source tables.
Enterprise· Standard: $605 · Storage Optimized: $922rag-retrievalhybrid-search
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
RA
RAGFlow
RAG · Multi-model
8.1
Open-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.
Freemium· Free tier; Starter $29/mo; Pro $129/mo; Enterprise customdocument-qaenterprise-search
HA
Haystack
RAG · Multi-model
6.9
Open-source Python framework from deepset for building production RAG pipelines and LLM agents.
Freemium· Open-source free; deepset Enterprise Support and AI Platform via salesragagents