Shortlist by what you need
Start here if you know why you are leaving MotherDuck.
Want the closest match?
VannaMost similar to MotherDuck in what it does, its category and its price.
Visit (opens Vanna in a new tab)Need a free plan?
ZillizHas a free plan, rated 4.6 out of 5.
Visit (opens Zilliz in a new tab)Want the best rated?
CARTORated 4.3 out of 5 in our review, against 4.3 for MotherDuck.
Visit (opens CARTO in a new tab)
At a glance
Green means better than MotherDuck, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
| 4.3 | $25/mo | Yes | A cloud-hosted version of DuckDB, for data that doesn't need Snowflake | ||
| 4.4+0.1 | Free | Yes | An open-source, self-hostable RAG framework, not a hosted consumer app | vs MotherDuck | |
| 3.9−0.4 | Free | Yes | Unified data and AI platform with 1,500+ sources, the Kai assistant, finance agents and an open-source MCP server. | vs MotherDuck | |
| 4.6+0.3 | Free | Yes | Fully managed vector database platform built by the creators of Milvus, offering real-time vector search, hybrid retrieval and lake-scale analytics for AI applications at billion-vector scale. | vs MotherDuck | |
| 4.2−0.1 | Not listed | No | Hyperscale data warehouse built for petabyte-scale analytics workloads. | vs MotherDuck | |
| 4.3Same | Not listed | No | Cloud-native GIS platform for spatial analysis that runs inside BigQuery, Snowflake, Redshift or Databricks, with AI Agents that answer location questions and build maps from natural-language prompts. | vs MotherDuck | |
| 4.2−0.1 | Not listed | No | Spreadsheet that runs Python and SQL, connects to your database, and answers in plain English. | vs MotherDuck | |
| 4.3Same | Not listed | No | A semantic modeling layer that defines metrics once, in code | vs MotherDuck | |
| 4.3Same | Not listed | No | Data quality platform that detects and explains anomalies across enterprise data warehouses without manual rule-writing. | vs MotherDuck |
The alternatives in detail
In order of how closely each one matches MotherDuck.

Vanna
4.4Free
vs MotherDuck+0.1
An open-source, self-hostable RAG framework, not a hosted consumer app.
- Open-source RAG framework for text-to-SQL
- Self-hostable via pip install with full configuration control
- Support for multiple LLM providers and databases
Genuine open-source control over deployment and model choice
Requires real engineering effort to deploy and configure, not a ready consumer app

Keboola
3.9Free
vs MotherDuck−0.4
Unified data and AI platform with 1,500+ sources, the Kai assistant, finance agents and an open-source MCP server.
- Kai assistant for natural-language questions
- Audit and Controlling Agents for finance monitoring
- Open-source Keboola MCP Server for AI clients and IDEs
The free plan includes the MCP Server and the full connector library
The free plan is small: one project and 60 compute minutes a month

Zilliz
4.6Free
vs MotherDuck+0.3
Fully managed vector database platform built by the creators of Milvus, offering real-time vector search, hybrid retrieval and lake-scale analytics for AI applications at billion-vector scale.
- Real-time vector, full-text, JSON and geospatial hybrid search
- Built on Milvus, the most widely adopted open-source vector database
- Engineered for 100B+ entities with predictable latency at 10,000+ QPS
Backed by a long, independently verifiable open-source track record (Milvus)
Aimed at engineering teams, not a plug-and-play end-user tool

Ocient
4.2Not listed
vs MotherDuck−0.1
Hyperscale data warehouse built for petabyte-scale analytics workloads.
- Hyperscale data warehouse built for petabyte-scale, trillion-record workloads
- Compute adjacent architecture pairing processing with NVMe storage
- Deployment across OcientCloud, Google Cloud Platform, or AWS
Purpose-built architecture targets a scale tier most conventional warehouses were not designed for
No published pricing, so evaluating cost requires a direct sales engagement

CARTO
4.3Not listed
vs MotherDuckSame
Cloud-native GIS platform for spatial analysis that runs inside BigQuery, Snowflake, Redshift or Databricks, with AI Agents that answer location questions and build maps from natural-language prompts.
- AI Agents for location questions in plain language
- Maps created and used through natural language
- Runs on the customer's own models, endpoints and cloud
Data stays in the customer's own warehouse
No prices published; plans are quoted

Quadratic
4.2Not listed
vs MotherDuck−0.1
Spreadsheet that runs Python and SQL, connects to your database, and answers in plain English.
- Python, SQL and formulas in the same grid
- Live connections to Postgres, Snowflake, BigQuery and more
- Natural-language questions that generate the code
Removes the export-to-CSV step where analysis goes stale
No pricing figures published, only a free trial

Google Looker
4.3Not listed
vs MotherDuckSame
A semantic modeling layer that defines metrics once, in code.
- LookML semantic modeling layer for governed metric definitions
- Metrics defined once, consistent across every dashboard
- Native integration with BigQuery and Google Cloud data services
Strong metric governance and consistency across an organization
No free tier or transparent self-serve pricing

Anomalo
4.3Not listed
vs MotherDuckSame
Data quality platform that detects and explains anomalies across enterprise data warehouses without manual rule-writing.
- Automated anomaly detection across data warehouses
- "Unknown unknown" issue discovery without manual rules
- Data validation and governance dashboards
Flags data issues nobody thought to write a rule for
Pricing is not published anywhere public
FAQ
Questions people ask
Is MotherDuck free?
MotherDuck has a free plan, and paid plans start from $25/mo.
What is the best free alternative to MotherDuck?
Zilliz is the highest-rated alternative here with a free plan (4.6 out of 5). Other free options: Vanna, Keboola.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.
