Decision Workspace
turbo-quant vs bitpolar vs qntz
Side-by-side comparison of Rust crates
45
turbo-quant
experimentalv0.1.0
Rust implementation of TurboQuant, PolarQuant, and QJL — zero-overhead vector quantization for semantic search and KV cache compression (ICLR 2026)
47
bitpolar
experimentalv0.1.0
BitPolar: near-optimal vector quantization with zero training overhead — 3-bit precision, provably unbiased inner products (ICLR 2026)
56
qntz
experimentalv0.1.1
Vector quantization primitives (RaBitQ, ternary, bit packing) for ANN systems.
Core Metrics
| turbo-quant | bitpolar | qntz | |
|---|---|---|---|
| Health Score | 45 | 47 | 56 |
| Total Downloads | 33 | 9 | 197 |
| 30d Downloads | 35 | 9 | 168 |
| Dependents | 0 | 0 | 10 |
| Releases | 1 | 1 | 2 |
| Last Updated | 2d ago | today | 19d ago |
| Age | 2d | 1d | 2m |
Health Breakdown
turbo-quant
Maintenance
13
Quality
12
Community
6
Popularity
2
Documentation
12
bitpolar
Maintenance
13
Quality
15
Community
6
Popularity
1
Documentation
12
qntz
Maintenance
13
Quality
16
Community
9
Popularity
3
Documentation
15
Technical Details
| turbo-quant | bitpolar | qntz | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 8 | 13 | 2 |
| Crate Size | 27KB | 84KB | 23KB |
| Features | 0 | 7 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.75.0 | 1.75 | 1.80 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •qntz leads with a health score of 56/100, but none of the options score above 80.