pgvector vs FalkorDB
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. pgvector is completely free, while FalkorDB is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Vector column type
- HNSW and IVFFlat indexes
- Multiple distance metrics
- Plain SQL queries
- Wide cloud support
- OpenCypher queries
- GraphRAG support
- Agent memory
- Managed cloud
- Graph browser
- Multi-tenant
| Feature | pgvector | FalkorDB |
|---|---|---|
| Best for | Open-source vector similarity search extension for Postgres | Open-source graph database for AI agents and GraphRAG |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | pgvector contributors | FalkorDB |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
pgvector is completely free, while FalkorDB is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
pgvector
- Uses your existing database
- Free and widely supported
- Full SQL power
- Slower than specialized engines at scale
- Index builds use memory
- Tuning needs Postgres skills
FalkorDB
- Open source with a managed option
- Familiar Cypher query language
- Tools for visualizing graphs
- Graph modeling has a learning curve
- Paid plan prices are not shown on the homepage
- Smaller ecosystem than older graph databases
Which one should you choose?
Choose pgvector if you want:
- Uses your existing database
- Free and widely supported
- Full SQL power
Watch out: slower than specialized engines at scale.
Choose FalkorDB if you want:
- Open source with a managed option
- Familiar Cypher query language
- Tools for visualizing graphs
Watch out: graph modeling has a learning curve.
pgvector vs FalkorDB FAQ
What is the difference between pgvector and FalkorDB?
pgvector: Open-source vector similarity search extension for Postgres. FalkorDB: Open-source graph database for AI agents and GraphRAG. Both are models & apis tools.
Is pgvector or FalkorDB cheaper?
pgvector is completely free, while FalkorDB is freemium.
Do pgvector and FalkorDB have free plans?
pgvector: Yes, fully free. FalkorDB: Yes.
Who makes pgvector?
pgvector is made by pgvector contributors.
Who makes FalkorDB?
FalkorDB is made by FalkorDB.
Which should I choose, pgvector or FalkorDB?
Choose pgvector if you value uses your existing database and free and widely supported. Choose FalkorDB if you value open source with a managed option and familiar cypher query language.