Side by side
KDB.AI vs Neon
Both stand on ai databases. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
KDB.AI offers hybrid search and multimodal retrieval features, with managed cloud and self-managed deployment options. Users evaluating Cloud Starter should account for its stated resource limits and lack of availability commitment.
Visit KDB.AI
Free plan APILinuxMac+2
Neon combines managed PostgreSQL with compute that can pause during inactivity, database branching, and programmatic management. Its free tier has stated project, storage, compute, branch, and egress limits; paid plans use consumption-based billing.
Visit NeonThe facts
| KDB.AI | Neon | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 2 | 3 |
| Maker | Not published | Not published |
| Website | kdb.ai | neon.com |
| On ai databases | #10 of 40 | #6 of 40 |
KDB.AI: what it does well
- Combines dense and sparse vector search.
- Supports temporal similarity search and metadata filtering.
- Works with text, video, audio, and images.
- Free cloud plan includes 4 GB RAM and 30 GB storage.
- Integrates with LangChain, Vector IO, and LlamaIndex.
What to know first
- Cloud Starter does not promise uptime or availability.
- Cloud Starter is provided without warranty.
- The free cloud plan has a 10 MB query size.
Neon: what it does well
- Compute adjusts to workload and can scale to zero.
- Isolated branches share data through copy-on-write storage.
- Supports high availability and point-in-time recovery.
- Provides an API and documented integration workflows.
- Free plan includes 10 projects.
What to know first
- Free plan storage is 0.5 GB per project.
- Free plan egress is limited to 5 GB monthly.
- Free plan allows 10 branches per project.
- Launch and Scale usage is billed by consumption.