Decision Workspace
ipopt-sys vs ipopt vs cobyla
Side-by-side comparison of Rust crates
41
ipopt-sys
growingv0.6.0
Raw unsafe Rust bindings to the Ipopt non-linear optimization library.
42
ipopt
growingv0.6.0
Rust language bindings for the Ipopt non-linear constrained optimization library.
59
cobyla
stablev1.0.0
COBYLA optimizer for Rust
Core Metrics
| ipopt-sys | ipopt | cobyla | |
|---|---|---|---|
| Health Score | 41 | 42 | 59 |
| Total Downloads | 23.5K | 22.2K | 113.6K |
| 30d Downloads | 563 | 546 | 40.2K |
| Dependents | 13 | 5 | 85 |
| Releases | 13 | 13 | 18 |
| Last Updated | 468d ago | 468d ago | 71d ago |
| Age | 8y | 8y | 5y 2m |
Health Breakdown
ipopt-sys
Maintenance
5
Quality
13
Community
6
Popularity
5
Documentation
12
ipopt
Maintenance
5
Quality
15
Community
5
Popularity
5
Documentation
12
cobyla
Maintenance
14
Quality
17
Community
11
Popularity
6
Documentation
11
Technical Details
| ipopt-sys | ipopt | cobyla | |
|---|---|---|---|
| Version | 0.6.0 | 0.6.0 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | non-standard |
| Dependencies | 13 | 2 | 2 |
| Crate Size | 26KB | 35KB | 65KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •cobyla leads with a health score of 59/100, but none of the options score above 80.
- •⚠ ipopt-sys, ipopt have not been updated in over a year.
- •ipopt-sys, ipopt are pre-1.0 — API may change.