DragonflyDB vs DuckDB
Updated June 2026 · A structured head-to-head comparison.
Redis- and Memcached-compatible in-memory data store
The verdict
Both DragonflyDB and DuckDB are credible databases tools, and the right pick comes down to your priorities.
DragonflyDB - Redis- and Memcached-compatible in-memory data store
Choose DuckDB if you'd rather have a higher overall rating (4.8/5). The in-process analytical database (SQLite for analytics).
DragonflyDB vs DuckDB: side by side
| Dimension | DragonflyDB | DuckDB |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Open source | Open source |
| Best for | Developers, Backend Teams | Data Teams, Developers |
| Platforms | Self Hosted, API | Self Hosted, API |
| Rating | 4.5/5 | 4.8/5Winner |
DragonflyDB key facts
- Vendor
- Dragonfly
- Pricing
- Open source - Free
- Free tier
- Yes
- Platforms
- Self Hosted, API
- Best for
- Developers, Backend Teams
- Editor rating
- 4.5 / 5
- Founded
- 2021
- Headquarters
- San Francisco, USA
DuckDB key facts
- Vendor
- DuckDB
- Pricing
- Open source - Free
- Free tier
- Yes
- Platforms
- Self Hosted, API
- Best for
- Data Teams, Developers
- Editor rating
- 4.8 / 5
- Founded
- 2019
- Headquarters
- Amsterdam, Netherlands
Frequently asked questions
Is DragonflyDB better than DuckDB?
Neither is universally better - DuckDB edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is DragonflyDB or DuckDB cheaper?
DragonflyDB is the more affordable of the two to get started, at free. DragonflyDB starts at free; DuckDB starts at free.
Can DragonflyDB replace DuckDB?
Yes for most teams - both are databases tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.
Side-by-side software breakdowns and pricing changes - in your inbox monthly.