Decision Workspace
serde_spanned vs serde_json vs serde
Side-by-side comparison of Rust crates
74
serde_spanned
stablev1.1.0
Serde-compatible spanned Value
77
serde_json
stablev1.0.149
A JSON serialization file format
76
serde
growingv1.0.228
A generic serialization/deserialization framework
Core Metrics
| serde_spanned | serde_json | serde | |
|---|---|---|---|
| Health Score | 74 | 77 | 76 |
| Total Downloads | 302.0M | 800.0M | 893.6M |
| 30d Downloads | 30.2M | 53.0M | 54.6M |
| Dependents | 209 | 673.2K | 897.9K |
| Releases | 16 | 181 | 315 |
| Last Updated | 4d ago | 80d ago | 181d ago |
| Age | 3y 2m | 10y 7m | 11y 3m |
Health Breakdown
serde_spanned
Maintenance
19
Quality
19
Community
16
Popularity
8
Documentation
12
serde_json
Maintenance
15
Quality
19
Community
20
Popularity
8
Documentation
15
serde
Maintenance
11
Quality
22
Community
20
Popularity
8
Documentation
15
Technical Details
| serde_spanned | serde_json | serde | |
|---|---|---|---|
| Version | 1.1.0 | 1.0.149 | 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 | 1.68 | 1.56 |
| Owners | 2 (team) | 2 (team) | 2 (team) |
Links
Quick Verdict
- •serde_json leads with a health score of 77/100, but none of the options score above 80.
- •serde has the most downloads (893.6M), suggesting wider adoption.
- •serde is depended on by 897.9K crates — strongest ecosystem trust.