Decision Workspace
ndarray-npy vs ndarray-npz vs matten
Side-by-side comparison of Rust crates
63
ndarray-npy
growingv0.10.0
.npy and .npz file format support for ndarray
50
ndarray-npz
growingv0.4.2
Advanced .npz file format support for n-dimensional arrays.
60
matten
experimentalv0.31.0
A family-car multidimensional array (tensor) library for small numerical trials / PoCs.
Core Metrics
| ndarray-npy | ndarray-npz | matten | |
|---|---|---|---|
| Health Score | 63 | 50 | 60 |
| Total Downloads | 10.2M | 7.4K | 2.1K |
| 30d Downloads | 416.1K | 0 | 967 |
| Dependents | 1.6K | 5 | 194 |
| Releases | 15 | 5 | 91 |
| Last Updated | 211d ago | 422d ago | today |
| Age | 8y 2m | 3y 3m | 23d |
Health Breakdown
ndarray-npy
Maintenance
8
Quality
15
Community
17
Popularity
8
Documentation
15
ndarray-npz
Maintenance
6
Quality
16
Community
8
Popularity
5
Documentation
15
matten
Maintenance
16
Quality
16
Community
12
Popularity
4
Documentation
12
Technical Details
| ndarray-npy | ndarray-npz | matten | |
|---|---|---|---|
| Version | 0.10.0 | 0.4.2 | 0.31.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0 |
| Dependencies | 8 | 6 | 3 |
| Crate Size | 40KB | 19KB | 101KB |
| Features | 3 | 3 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.84 | 1.85.0 | 1.85 |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •ndarray-npy leads with a health score of 63/100, but none of the options score above 80.
- •ndarray-npy is depended on by 1.6K crates — strongest ecosystem trust.
- •⚠ ndarray-npz has not been updated in over a year.