Wren AI alternatives
6 rag tools in the same lane as Wren AI, ranked by editorial score.
VA
Vanna.ai
RAG · Multi-model (Anthropic, OpenAI, Gemini, Ollama)
8.3
Open-source text-to-SQL agent that learns your schema and writes queries against your real warehouse.
Freemium· Explorer: $50 · Team: $500 · Enterprise: Contact salestext-to-sqlnatural-language-bi
CU
Cube
RAG · Multi-model
8.1
Semantic layer that grounds LLM agents in your real business metrics instead of letting them hallucinate SQL.
Freemium· Cube Core open source; Cube Cloud paid, contact salessemantic-layerembedded-analytics
NB
Neuron by Momenta Analytics
RAG
Turns SQL query history into an AI-ready semantic layer
Enterprise· Not publicly disclosed. Engagement-based pricing; a 3-day assessment and a free trial are offered on request. Typical delivery cycle is 4-6 weeks with 8-16 hours of client time.Semantic layer for text-to-SQL agentsGrounding data for RAG analytics chatbots
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
SC
Snowflake Cortex
RAG · Anthropic Claude, Meta Llama, Mistral Large 2, Snowflake Arctic
8.7
Generative AI and RAG built into the Snowflake data cloud
Enterprise· Standard: Contact sales · Enterprise: Contact sales · Business Critical: Contact sales · Virtual Private Snowflake: Contact salesEnterprise RAG chatbot over governed dataNatural-language SQL for business analysts
LC
Langchain-Chatchat
RAG · Multi-model (GLM-4, Qwen2, Llama 3, etc. via Xinference/Ollama/LocalAI/FastChat)
7.4
Self-hostable RAG and agent framework that wires LangChain to any local open-source LLM and a knowledge base.
Free· Apache-2.0 open source; self-hosted, infra costs onlyprivate-knowledge-baseoffline-rag