Decision Workspace
hannoy vs arroy vs mnem-ann
Side-by-side comparison of Rust crates
53
hannoy
experimentalv0.1.3
HNSW Approximate Nearest Neighbors in Rust, based on LMDB and optimized for memory usage
59
arroy
growingv0.6.4
Annoy-inspired Approximate Nearest Neighbors in Rust, based on LMDB and optimized for memory usage
56
mnem-ann
experimentalv0.1.7
Approximate-nearest-neighbour (HNSW) vector index for mnem. Feature-gated alternative to the built-in brute-force index in mnem-core.
Core Metrics
| hannoy | arroy | mnem-ann | |
|---|---|---|---|
| Health Score | 53 | 59 | 56 |
| Total Downloads | 224.4K | 387.3K | 155 |
| 30d Downloads | 23.5K | 29.8K | 0 |
| Dependents | 4 | 42 | 10 |
| Releases | 22 | 13 | 6 |
| Last Updated | 48d ago | 48d ago | 4d ago |
| Age | 10m | 2y 5m | 28d |
Health Breakdown
hannoy
Maintenance
17
Quality
10
Community
10
Popularity
6
Documentation
10
arroy
Maintenance
16
Quality
9
Community
14
Popularity
7
Documentation
13
mnem-ann
Maintenance
14
Quality
15
Community
9
Popularity
3
Documentation
15
Technical Details
| hannoy | arroy | mnem-ann | |
|---|---|---|---|
| Version | 0.1.3 | 0.6.4 | 0.1.7 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 36 | 24 | 6 |
| Crate Size | 1.6MB | 1.5MB | 32KB |
| Features | 5 | 3 | 2 |
| Yanked % | 4.5% | 7.7% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | 1.95 |
| Owners | 2 | 3 | 1 |
Links
Quick Verdict
- •arroy leads with a health score of 59/100, but none of the options score above 80.