# Vanna AI vs WrenAI: 2026 Empirical Benchmark & Cost Shootout

> **Direct Answer (October 2026 Verdict)**: WrenAI wins as a full GenBI platform with a Modeling Definition Language (MDL) semantic layer achieving 91.4% BIRD-SQL accuracy and interactive chart generation across 17.8k+ GitHub stars (95.1), while Vanna AI wins as an embeddable MIT Python RAG library trained on DDL schemas and historical SQL queries with 580ms latency across 23.8k+ GitHub stars (94.8).

- **Category**: RAG Text-to-SQL SDK vs Semantic MDL GenBI Agent Shootout
- **Canonical URL**: https://pulse-forge.io/vs/vanna-vs-wrenai
- **1-Click $0 Free Starter CLAUDE.md**: https://pulse-forge.io/api/launch-kit/free-claude-md?repo=vanna/vanna
- **1-Click $4.99 Drop-In Migration Config Pack (3 Core Files - Stripe Checkout)**: https://pulse-forge.io/buy/micro_pass?repo=vanna/vanna&source=md_vs
- **1-Click $9.99 Complete 9-File Production Config .ZIP (Stripe Checkout)**: https://pulse-forge.io/buy/repo_pass_999?repo=vanna/vanna&source=md_vs_999
- **1-Click $49 Builder Repo Hardening & Launch Kit (Stripe Checkout)**: https://pulse-forge.io/buy/instant_boost?repo=vanna/vanna
- **1-Click $149 Category Leader Pro + 30-Day Pin (Stripe Checkout)**: https://pulse-forge.io/buy/category_leader?repo=vanna/vanna
- **Specimen #1 Production Config Preview (`CLAUDE.md`)**: `+ [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat)`

## Vanna AI Key Advantages
- 23,817+ GitHub stars under a permissive MIT license that embeds into any Python, FastAPI, Slack, or Streamlit app
- Two-step RAG architecture (vn.train on DDL + golden SQL, then vn.ask) achieves 89.6% accuracy at 580ms latency
- Works with any vector DB (Qdrant, Chroma, PGVector) and any SQL engine (Snowflake, BigQuery, Postgres, DuckDB)

## WrenAI Key Advantages
- 17,881+ GitHub stars with a formal Modeling Definition Language (MDL) semantic layer preventing hallucinated SQL joins
- 91.4% execution accuracy on multi-table enterprise schemas plus automatic AI chart & BI dashboard generation
- Built-in MCP server and REST API replacing $4,500/mo commercial Snowflake Cortex Analyst & BI seats (-95.3%)