Decision Workspace
cvc5-sys vs z3-sys vs z3
Side-by-side comparison of Rust crates
53
cvc5-sys
experimentalv0.3.1
Low-level FFI bindings for the cvc5 SMT solver
72
z3-sys
growingv0.10.9
Low-level bindings for the Z3 SMT solver from Microsoft Research
71
z3
growingv0.19.15
High-level rust bindings for the Z3 SMT solver from Microsoft Research
Core Metrics
| cvc5-sys | z3-sys | z3 | |
|---|---|---|---|
| Health Score | 53 | 72 | 71 |
| Total Downloads | 183 | 886.1K | 832.1K |
| 30d Downloads | 186 | 97.2K | 95.1K |
| Dependents | 5 | 124 | 358 |
| Releases | 4 | 34 | 52 |
| Last Updated | 4d ago | 14d ago | 8d ago |
| Age | 15d | 10y 3m | 10y 3m |
Health Breakdown
cvc5-sys
Maintenance
16
Quality
15
Community
9
Popularity
3
Documentation
10
z3-sys
Maintenance
17
Quality
17
Community
16
Popularity
7
Documentation
15
z3
Maintenance
17
Quality
16
Community
16
Popularity
7
Documentation
15
Technical Details
| cvc5-sys | z3-sys | z3 | |
|---|---|---|---|
| Version | 0.3.1 | 0.10.9 | 0.19.15 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | BSD-3-Clause | MIT | MIT |
| Dependencies | 2 | 7 | 6 |
| Crate Size | 49KB | 78KB | 106KB |
| Features | 1 | 8 | 8 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.85.0 | 1.85.0 |
| Owners | 2 | 5 | 5 |
Links
Quick Verdict
- •z3-sys leads with a health score of 72/100, but none of the options score above 80.
- •z3 is depended on by 358 crates — strongest ecosystem trust.