Decision Workspace
utoipa-gen vs fastapi-gen vs utoipa
Side-by-side comparison of Rust crates
56
utoipa-gen
growingv5.4.0
Code generation implementation for utoipa
37
fastapi-gen
growingv0.1.1
Code generation implementation for fastapi
65
utoipa
growingv5.4.0
Compile time generated OpenAPI documentation for Rust
Core Metrics
| utoipa-gen | fastapi-gen | utoipa | |
|---|---|---|---|
| Health Score | 56 | 37 | 65 |
| Total Downloads | 22.6M | 1.2K | 22.6M |
| 30d Downloads | 2.8M | 22 | 2.8M |
| Dependents | 80 | 1 | 10.1K |
| Releases | 58 | 1 | 59 |
| Last Updated | 284d ago | 479d ago | 284d ago |
| Age | 4y 2m | 1y 3m | 4y 2m |
Health Breakdown
utoipa-gen
Maintenance
9
Quality
19
Community
8
Popularity
8
Documentation
12
fastapi-gen
Maintenance
2
Quality
15
Community
4
Popularity
4
Documentation
12
utoipa
Maintenance
9
Quality
22
Community
14
Popularity
8
Documentation
12
Technical Details
| utoipa-gen | fastapi-gen | utoipa | |
|---|---|---|---|
| Version | 5.4.0 | 0.1.1 | 5.4.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 22 | 21 | 6 |
| Crate Size | 156KB | 181KB | 79KB |
| Features | 20 | 19 | 25 |
| Yanked % | 1.7% | 0.0% | 3.4% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.75 | 1.75 | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •utoipa leads with a health score of 65/100, but none of the options score above 80.
- •utoipa-gen has the most downloads (22.6M), suggesting wider adoption.
- •utoipa is depended on by 10.1K crates — strongest ecosystem trust.
- •⚠ fastapi-gen has not been updated in over a year.
- •fastapi-gen is pre-1.0 — API may change.