Decision Workspace
qntz vs rabitq-rs vs bitpolar
Side-by-side comparison of Rust crates
56
qntz
experimentalv0.1.1
Vector quantization primitives (RaBitQ, ternary, bit packing) for ANN systems.
51
rabitq-rs
experimentalv0.9.0
Advanced vector search: RaBitQ quantization with IVF and MSTG (Multi-Scale Tree Graph) index
47
bitpolar
experimentalv0.1.0
BitPolar: near-optimal vector quantization with zero training overhead — 3-bit precision, provably unbiased inner products (ICLR 2026)
Core Metrics
| qntz | rabitq-rs | bitpolar | |
|---|---|---|---|
| Health Score | 56 | 51 | 47 |
| Total Downloads | 197 | 2.7K | 9 |
| 30d Downloads | 168 | 32 | 9 |
| Dependents | 10 | 0 | 0 |
| Releases | 2 | 15 | 1 |
| Last Updated | 19d ago | 29d ago | today |
| Age | 2m | 6m | 1d |
Health Breakdown
qntz
Maintenance
13
Quality
16
Community
9
Popularity
3
Documentation
15
rabitq-rs
Maintenance
17
Quality
11
Community
6
Popularity
4
Documentation
13
bitpolar
Maintenance
13
Quality
15
Community
6
Popularity
1
Documentation
12
Technical Details
| qntz | rabitq-rs | bitpolar | |
|---|---|---|---|
| Version | 0.1.1 | 0.9.0 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 20 | 13 |
| Crate Size | 23KB | 601KB | 84KB |
| Features | 3 | 3 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.80 | — | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •qntz leads with a health score of 56/100, but none of the options score above 80.
- •rabitq-rs has the most downloads (2.7K), suggesting wider adoption.