Vanna.ai alternatives
6 rag tools in the same lane as Vanna.ai, ranked by editorial score.
AI
AI2sql
Coding
7.0
Natural-language-to-SQL generator with desktop app, MCP server, and governed read-only access.
Freemium· Free tier (100 queries); Start $5/mo, Pro $11/mo, Team $23/mo; 7-day trialtext-to-sqlquery-optimization
CH
Chat2DB
Coding · Model-agnostic: OpenAI GPT-4o, Anthropic Claude, Google Gemini, DeepSeek, Qwen, and self-hosted Ollama/vLLM endpoints
AI-native SQL client and Text-to-SQL copilot for 30+ databases
Freemium· PRO: Contact Us · ENTERPRISE: Contact UsNatural-language SQL queryingMulti-database GUI client
PA
PandasAI
Coding · Multi-model (via LiteLLM)
7.1
Conversational data analysis library that turns natural-language questions into pandas, SQL and chart code.
Freemium· Basic: $10 · Pro: $30 · Enterprise: Contact salesdata-analysisnatural-language-sql
WA
Wren AI
RAG · Multi-model (OpenAI, Anthropic, Gemini, self-hosted)
8.0
Open-source GenBI semantic layer that lets AI agents query your warehouse in natural language with governed, accurate SQL.
Freemium· Free: $0 · Essential Cloud: $179 · Enterprise Cloud: $559 · Enterprise Plus: Contact Ustext-to-sqlsemantic-layer
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
PR
PrivateGPT
RAG · Multi-model (BYO local LLM)
7.0
Production-ready, air-gapped RAG framework for querying your documents with local LLMs.
Freemium· OSS free; Zylon enterprise contract (contact sales)private-ragchat-with-documents