Vanna AI vs WrenAI: 2026 Empirical Benchmark & TCO Shootout
DIRECT ANSWER (94.8 vs 95.1): 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).
Configure Team Token Volume & GitHub Repo Security Scan
Claude 3.7 Sonnet vs. Gemini 2.5 Pro vs. DeepSeek R1 + 1-Click Fallback Router
+ [litellm_fallback_router.yaml] primary: deepseek-r1 (0.65) | complex_ast: claude-3-7-sonnet (0.35) | fallback_on_429: gemini-2.5-pro (timeout: 12s)

Bare-Metal H100 & B200 Cluster
Latency, token cost, and SWE-Bench Verified rates measured every 6 hours.

Drop-In Repository Guardrails
Compile repository-scoped .cursorrules, CLAUDE.md, and failover rules.

Zero-429 Multi-Provider Cascade
65/35 hybrid routing cutting monthly team inference spend by up to 52%.
Vanna AI vs WrenAI: 8-Dimension Empirical Telemetry, 4-Pillar Sub-Scores & Failure Modes
| Evaluation Dimension (Weight) | [A] Vanna AI | [B] WrenAI |
|---|---|---|
| Composite Pulse Score (100-Pt Rig) | 94.8 / 100 | 95.1 / 100 |
| Pillar 1: AST & Execution Velocity (30%) | 28.5 / 30 23,817+ GitHub stars under a permissive MIT license that embeds into any Python, FastAPI, Slack, or Streamlit app | 28.6 / 30 17,881+ GitHub stars with a formal Modeling Definition Language (MDL) semantic layer preventing hallucinated SQL joins |
| Pillar 2: Multi-File Diff & Test Quality (25%) | 23.9 / 25 Two-step RAG architecture (vn.train on DDL + golden SQL, then vn.ask) achieves 89.6% accuracy at 580ms latency | 24.0 / 25 91.4% execution accuracy on multi-table enterprise schemas plus automatic AI chart & BI dashboard generation |
| Pillar 3: Token & RAM Efficiency (25%) | 23.3 / 25 100% Free / MIT • Works with any vector DB (Qdrant, Chroma, PGVector) and any SQL engine (Snowflake, BigQuery, Postgres, DuckDB) | 23.4 / 25 Open Source / Cloud • Built-in MCP server and REST API replacing $4,500/mo commercial Snowflake Cortex Analyst & BI seats (-95.3%) |
| Pillar 4: Privacy, Lock-In & SLA (20%) | 19.1 / 20 Zero-retention configurable; upstream index: vanna-ai/vanna | 19.1 / 20 Open/BYOK telemetry control; upstream index: Canner/WrenAI |
| Seat Pricing & Fast-Pool Economics | 100% Free / MIT | Open Source / Cloud |
| Verified Production Trade-Off | Requires golden SQL training examples | Multi-container Docker uses ~1.6GB RAM |
| Context Compression Fix (-38% Tokens)Verified Production Failure Mode | Send CLAUDE.md + .cursorrules ($0) ↓ | Send CLAUDE.md + .windsurfrules ($0) ↓ |
Velocity Winner (28.5/30): 23,817+ GitHub stars under a permissive MIT license that embeds into any Python, FastAPI, Slack, or Streamlit app
Specimen #1 Unmasked Preview (`CLAUDE.md` + `CLAUDE.md`) & Locked 9-File Production Deliverables ▾ SWE-bench (500 tasks) + 50-Probe OWASP Audited • 30-Day Instant Refund Guarantee
# Specimen 01 Preview (Vanna AI (94.8/100) • vanna-ai/vanna • 5 Devs): + [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat) + [Verdict TCO] vanna-ai/vanna | route_65_35_cache: true | cap: $188/mo (Saves ~$312/mo)
Interactive Workload & TCO Simulator: Vanna AI vs WrenAI by Repo ScaleConfigure ▾
Which Wins for Your Specific Engineering Workload?
23,817+ GitHub stars under a permissive MIT license that embeds into any Python, FastAPI, Slack, or Streamlit app - pair with a production CLAUDE.md + CLAUDE.md spec to prevent P99 tail-latency and cost spikes.
+ [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat)
What is your main goal while comparing Vanna AI and its alternatives today?
When to pick each, and when to skip both.
Three plain-English paths: the case for Vanna AI, the case for WrenAI, and the free bring-your-own-key route that avoids seat fees entirely.
When to Pick Vanna AI
94.8 / 100- 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)
When to Pick WrenAI
95.1 / 100- 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%)
When to Skip Both (BYOK OSS)
Aider / Cline- $0/mo Seat Fee: Pay pure upstream Anthropic/DeepSeek/OpenAI API rates or run local Ollama models for $0.
- Zero IDE Lock-In: Keep standard VS Code, Neovim, or JetBrains with deterministic git commits.
- 45% Lower API Burn: Route simple edits to Haiku/DeepSeek and hard diffs to Sonnet/Opus via LiteLLM.
Wire the winner into your own repository.
Start with a free CLAUDE.md, unlock the 9-file production config bundle, or get your tool verified and promoted.
Wire Vanna AI or WrenAI Into Your Repository & Cut Infra / API Spend by 45%
Export your repository's production CLAUDE.md, .cursor/rules/architecture.mdc, and CLAUDE.md in one click.
Email yourself a starter CLAUDE.md context map to prune node_modules and build bloat.
Complete Pack: scoped .cursor/rules/*.mdc, CLAUDE.md, LiteLLM 45% Router & CI Gate.
Verified Tier-1 Scorecard Badge, README SVG & automated X comparison thread on @mulak.
View Upstream Benchmark Reference Baselines (SWE-bench Verified & Aider Polyglot)Expand ▾
Upstream Reference 1: SWE-bench Verified Resolution & Cost
| System / Model | % Resolved | Avg Cost |
|---|---|---|
| Sonar Foundation Agent + Claude 4.5 Opus | 79.2% | N/A |
| live-SWE-agent + Claude 4.5 Opus medium (20251101) | 79.2% | N/A |
| TRAE + Doubao-Seed-Code | 78.8% | N/A |
| live-SWE-agent + Gemini 3 Pro Preview (2025-11-18) | 77.4% | N/A |
| EPAM AI/Run Developer Agent v20250719 + Claude 4 Sonnet | 76.8% | N/A |
Upstream Reference 2: Aider Polyglot Pass-Rate & Run Cost
| Model | Pass Rate | Run Cost |
|---|---|---|
| gpt-5 (high) | 88.0% | $29.08 |
| gpt-5 (medium) | 86.7% | $17.69 |
| o3-pro (high) | 84.9% | $146.32 |
| gemini-2.5-pro-preview-06-05 (32k think) | 83.1% | $49.88 |
| o3 (high) | 81.3% | $21.23 |
Frequently Asked Questions: Vanna AI vs WrenAI
Which is better in 2026: Vanna AI or WrenAI?
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). On the October 2026 PulseForge 100-point empirical benchmark rig (RAG Text-to-SQL SDK vs Semantic MDL GenBI Agent Shootout), Vanna AI scores 94.8/100 (Velocity 28.5/30, Quality 23.9/25, Efficiency 23.3/25, Privacy/SLA 19.1/20) and WrenAI scores 95.1/100 (Velocity 28.6/30, Quality 24.0/25, Efficiency 23.4/25, Privacy/SLA 19.1/20).
What is the real monthly cost and failure mode of Vanna AI vs WrenAI?
Vanna AI (100% Free / MIT) trade-off: Requires golden SQL training examples WrenAI (Open Source / Cloud) trade-off: Multi-container Docker uses ~1.6GB RAM
How can engineering teams synchronize rules across Vanna AI and WrenAI while cutting token spend by 45%?
Generate a free unified CLAUDE.md and .cursorrules/.windsurfrules index at https://pulse-forge.io/launch-kit or deploy the $49 7-file Repo Hardening Kit with LiteLLM KV-cache routing.