Decision Workspace
serde_spanned vs serde_json vs serde
Side-by-side comparison of Rust crates
71
serde_spanned
stablev1.1.1
Serde-compatible spanned Value
78
serde_json
stablev1.0.150
A JSON serialization file format
74
serde
growingv1.0.228
A generic serialization/deserialization framework
Core Metrics
| serde_spanned | serde_json | serde | |
|---|---|---|---|
| Health Score | 71 | 78 | 74 |
| Total Downloads | 444.7M | 1.1B | 1.2B |
| 30d Downloads | 27.8M | 53.6M | 51.1M |
| Dependents | 251 | 974.9K | 1.2M |
| Releases | 17 | 182 | 315 |
| Last Updated | 104d ago | 53d ago | 289d ago |
| Age | 3y 5m | 10y 11m | 11y 7m |
Health Breakdown
serde_spanned
Maintenance
14
Quality
20
Community
17
Popularity
8
Documentation
12
serde_json
Maintenance
16
Quality
19
Community
20
Popularity
8
Documentation
15
serde
Maintenance
9
Quality
22
Community
20
Popularity
8
Documentation
15
Technical Details
| serde_spanned | serde_json | serde | |
|---|---|---|---|
| Version | 1.1.1 | 1.0.150 | 1.0.228 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 15 | 2 |
| Crate Size | 11KB | 156KB | 84KB |
| Features | 4 | 8 | 6 |
| Yanked % | 0.0% | 1.1% | 0.9% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | 1.71 | 1.56 |
| Owners | 2 (team) | 2 (team) | 2 (team) |
Links
Quick Verdict
- •serde_json leads with a health score of 78/100, but none of the options score above 80.
- •serde has the most downloads (1.2B), suggesting wider adoption.
- •serde is depended on by 1.2M crates — strongest ecosystem trust.