Vanna.ai vs Wren AI

Vanna.ai

RAG

Wren AI

RAG

Tagline

Vanna.ai

Open-source text-to-SQL agent that learns your schema and writes queries against your real warehouse.

Wren AI

Open-source GenBI semantic layer that lets AI agents query your warehouse in natural language with governed, accurate SQL.

Pricing

Vanna.ai

Freemium· Explorer: $50 · Team: $500 · Enterprise: Contact sales

Wren AI

Freemium· Free: $0 · Essential Cloud: $179 · Enterprise Cloud: $559 · Enterprise Plus: Contact Us

Lowest paid tier

Vanna.ai

$50 · Explorer

captured 2026-08-09

Wren AI

$179 · Essential Cloud

captured 2026-08-10

Free trial

Vanna.ai

Yes

Wren AI

Yes

API

Vanna.ai

Yes

Wren AI

Yes

Platforms

Vanna.ai

api

Wren AI

api

Open source

Vanna.ai

Yes

Wren AI

Yes · NOASSERTION

GitHub stars

Vanna.ai

—

Wren AI

17,782

checked 2026-09-29

Last GitHub push

Vanna.ai

—

Wren AI

2026-09-29

First commit

Vanna.ai

—

Wren AI

2024-03

Model used

Vanna.ai

Multi-model (Anthropic, OpenAI, Gemini, Ollama)

Wren AI

Multi-model (OpenAI, Anthropic, Gemini, self-hosted)

Best for

Vanna.ai

Pick Vanna.ai if you want a self-hostable, model-agnostic text-to-SQL layer you can train on your own warehouse without shipping schemas to a closed SaaS.

Wren AI

Pick Wren AI if you want an open-source, governed text-to-SQL layer that any LLM agent can hit instead of pointing models straight at your warehouse.

Not for

Vanna.ai

Skip it if you want a no-code BI dashboard out of the box or have no appetite to curate training examples for accuracy.

Wren AI

Skip it if you need a polished, no-code BI dashboard for business users or a turnkey SaaS without any semantic modeling work.

Editorial score

Vanna.ai

8.3 / 10

Wren AI

8.0 / 10

Use cases

Vanna.ai

text-to-sqlnatural-language-bidata-analyticswarehouse-queryingrag-over-schema

Wren AI

text-to-sqlsemantic-layeragentic-bidata-governancenatural-language-analytics

Pros

Vanna.ai

• MIT-licensed core; fully self-hostable with your own LLM and vector store
• Model-agnostic across Anthropic, OpenAI, Gemini, and local Ollama
• Trainable on your schema, docs, and prior queries via RAG (not zero-shot)
• Connects directly to Snowflake, BigQuery, Postgres, MySQL, SQLite and more
• Cloud tier adds access control, audit logs, and observability for teams

Wren AI

• Apache-licensed semantic layer you can fully self-host
• LLM-agnostic; works with OpenAI, Anthropic, Gemini or private models
• 20+ warehouse connectors and dbt integration out of the box
• Active community with weekly releases and 60+ agent integrations

Cons

Vanna.ai

• Quality depends heavily on how much training data you curate
• Self-hosted setup requires Python and some glue work
• Inherits LLM hallucinations on complex joins or messy schemas

Wren AI

• Requires data-engineering effort to model MDL well
• Enterprise features (SSO, governance UI) gated behind paid cloud
• Quality of generated SQL still depends on the LLM you bring

Website

Vanna.ai

vanna.ai

Wren AI

getwren.ai

Editorial score: rule-based, 0–10, from AI-assisted profile inputs (see /methodology) — not a user rating; “—” means unscored. “Not listed” means we have no record of it, not that it is absent. GitHub figures and prices carry the date they were checked or captured; prices are shown as published, unconverted.