Decision Workspace
compact_str vs cold-string vs sinstr
Side-by-side comparison of Rust crates
52
compact_str
growingv0.9.0
A memory efficient string type that transparently stores strings on the stack, when possible
47
cold-string
experimentalv0.2.0
A 1-word SSO string that saves up to 24 bytes over String.
43
sinstr
experimentalv0.4.0
A single WORD small string optimization library.
Core Metrics
| compact_str | cold-string | sinstr | |
|---|---|---|---|
| Health Score | 52 | 47 | 43 |
| Total Downloads | 96.4M | 266 | 56 |
| 30d Downloads | 10.1M | 0 | 0 |
| Dependents | 6.2K | 0 | 0 |
| Releases | 20 | 2 | 4 |
| Last Updated | 455d ago | 85d ago | 61d ago |
| Age | 4y 8m | 3m | 2m |
Health Breakdown
compact_str
Maintenance
8
Quality
11
Community
15
Popularity
8
Documentation
10
cold-string
Maintenance
12
Quality
15
Community
6
Popularity
3
Documentation
11
sinstr
Maintenance
15
Quality
8
Community
6
Popularity
2
Documentation
12
Technical Details
| compact_str | cold-string | sinstr | |
|---|---|---|---|
| Version | 0.9.0 | 0.2.0 | 0.4.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 28 | 7 | 4 |
| Crate Size | 72KB | 19KB | 32KB |
| Features | 17 | 3 | 0 |
| Yanked % | 15.0% | 0.0% | 25.0% |
| Edition | 2021 | 2018 | 2024 |
| MSRV | — | 1.60.0 | 1.91 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •compact_str leads with a health score of 52/100, but none of the options score above 80.
- •compact_str is depended on by 6.2K crates — strongest ecosystem trust.
- •⚠ compact_str has not been updated in over a year.