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Head to head · 2026

DolphinDB vs Vanna

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

DolphinDB

Time-series database and real-time computing platform with AI features on top: Chat-to-Query text-to-SQL, RAG-based Smart Q&A,…

4.1Free

Visit DolphinDB (opens DolphinDB in a new tab)

Vanna

An open-source, self-hostable RAG framework, not a hosted consumer app

4.4Free

Visit Vanna (opens Vanna in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: DolphinDB does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Vanna

    4.1 against 4.4

  • Same job?

    Yes

    Both are Data and Analytics tools

Side by side

Compared onDolphinDBVanna
Our rating4.14.4Better
Starts atFreeFree
Free planYesYes
CategoryData and AnalyticsData and Analytics
PlansFreeFree
Key features
  • Chat-to-Query text-to-SQL for plain-language questions
  • Smart Q&A with retrieval-augmented search
  • Native MCP support so LLMs can query the database
  • In-database inference for PyTorch, TensorFlow, XGBoost and LightGBM
  • DolphinMind assistant for guidance and code generation
  • Open-source RAG framework for text-to-SQL
  • Self-hostable via pip install with full configuration control
  • Support for multiple LLM providers and databases
  • Multi-turn conversation and access controls for enterprise use
  • Free and open source
Pros
  • Community Edition comes with a perpetual license
  • ML inference runs inside the database, close to the data
  • MCP support connects LLMs to private data
  • Genuine open-source control over deployment and model choice
  • RAG-based approach improves accuracy using an organization's own schema and history
  • Wide compatibility across LLM providers and databases
Cons
  • No prices published for the Enterprise edition
  • Community Edition is capped at 2 nodes, 2 cores and 8 GB RAM per node
  • Agent features are described only briefly on the site
  • Requires real engineering effort to deploy and configure, not a ready consumer app
  • Self-hosting means managing infrastructure directly
  • Less polished out-of-the-box experience than hosted consumer tools
CompanyDolphinDBVanna AI

Prices come from each vendor's pricing page, last checked 20261012. Check the vendor before you buy.

FAQ

Questions people ask

Is DolphinDB better than Vanna?

In our reviews DolphinDB scores 4.1 and Vanna scores 4.4. The better pick depends on the job. DolphinDB: Time-series database and real-time computing platform with AI features on top: Chat-to-Query text-to-SQL, RAG-based Smart Q&A, native MCP support for LLMs, in-database ML inference and the DolphinMind assistant. Vanna: An open-source, self-hostable RAG framework, not a hosted consumer app.

Which is cheaper, DolphinDB or Vanna?

DolphinDB: free. Vanna: free.

Do DolphinDB and Vanna have free plans?

Yes, both have a free plan.

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