Decision Workspace
ceres-db vs ruvector-postgres vs velesdb-core
Side-by-side comparison of Rust crates
46
ceres-db
experimentalv0.3.1
Database repository layer for Ceres with pgvector support
56
ruvector-postgres
experimentalv2.0.5
High-performance PostgreSQL vector database extension v2 - pgvector drop-in replacement with 230+ SQL functions, SIMD acceleration, Flash Attention, GNN layers, hybrid search, multi-tenancy, self-healing, and self-learning capabilities
62
velesdb-core
experimentalv1.8.0
High-performance vector database engine written in Rust
Core Metrics
| ceres-db | ruvector-postgres | velesdb-core | |
|---|---|---|---|
| Health Score | 46 | 56 | 62 |
| Total Downloads | 189 | 301 | 1.2K |
| 30d Downloads | 66 | 30 | 335 |
| Dependents | 9 | 0 | 163 |
| Releases | 6 | 14 | 47 |
| Last Updated | 21d ago | 2d ago | today |
| Age | 2m | 3m | 3m |
Health Breakdown
ceres-db
Maintenance
13
Quality
12
Community
8
Popularity
3
Documentation
10
ruvector-postgres
Maintenance
19
Quality
15
Community
6
Popularity
3
Documentation
13
velesdb-core
Maintenance
19
Quality
14
Community
12
Popularity
4
Documentation
13
Technical Details
| ceres-db | ruvector-postgres | velesdb-core | |
|---|---|---|---|
| Version | 0.3.1 | 2.0.5 | 1.8.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | MIT | non-standard |
| Dependencies | 11 | 36 | 45 |
| Crate Size | 39KB | 662KB | 1.1MB |
| Features | 0 | 41 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | 1.83 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •velesdb-core leads with a health score of 62/100, but none of the options score above 80.
- •velesdb-core is depended on by 163 crates — strongest ecosystem trust.
- •ceres-db is pre-1.0 — API may change.