pgvector vs Singlebase
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. pgvector is completely free, while Singlebase is paid.
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
- Scoped agent access
- MCP tools
- OCR to Markdown or JSON
- DocumentDB and VectorDB
- Auth and file storage
| Feature | pgvector | Singlebase |
|---|---|---|
| Best for | Open-source vector similarity search extension for Postgres | Database and backend with scoped data access for AI agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Paid |
| Starting price | Free | $9/mo |
| Free plan | Yes, fully free | No |
| Made by | pgvector contributors | Singlebase |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
pgvector is completely free, while Singlebase is paid.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Lite
$9/mo
- 1 nano agent
- 5,000 AI credits
- 1,000 data records
Plus
$20/mo
- 3 smart agents
- 15,000 AI credits
- 5,000 data records
Premium
$60/mo
- 10 smart agents
- 50,000 AI credits
- Premium AI access
Business
$200/mo
- 50 smart agents
- 150,000 AI credits
- 75,000 data records
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
Singlebase
- Per-agent keys and permissions
- Database, vectors and auth in one place
- Document OCR included
- No free plan listed
- Lite plan allows only 1,000 data records
- Premium model access needs higher tiers
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 Singlebase if you want:
- Per-agent keys and permissions
- Database, vectors and auth in one place
- Document OCR included
Watch out: no free plan listed.
pgvector vs Singlebase FAQ
What is the difference between pgvector and Singlebase?
pgvector: Open-source vector similarity search extension for Postgres. Singlebase: Database and backend with scoped data access for AI agents. Both are models & apis tools.
Is pgvector or Singlebase cheaper?
pgvector is completely free, while Singlebase is paid.
Do pgvector and Singlebase have free plans?
pgvector: Yes, fully free. Singlebase: No.
Who makes pgvector?
pgvector is made by pgvector contributors.
Who makes Singlebase?
Singlebase is made by Singlebase.
Which should I choose, pgvector or Singlebase?
Choose pgvector if you value uses your existing database and free and widely supported. Choose Singlebase if you value per-agent keys and permissions and database, vectors and auth in one place.