Decision Workspace
iqdb-quantize vs turbo-quant vs qntz
Side-by-side comparison of Rust crates
53
iqdb-quantize
experimentalv1.0.0
Vector quantization (scalar, product, binary) for memory-efficient vector search - part of the iQDB family.
52
turbo-quant
experimentalv0.2.2
Experimental vector compression sidecars with PolarQuant, TurboQuant, QJL sketches, wire formats, and benchmark receipts
64
qntz
experimentalv0.1.9
Vector quantization primitives (RaBitQ, ternary, bit packing) for ANN systems.
Core Metrics
| iqdb-quantize | turbo-quant | qntz | |
|---|---|---|---|
| Health Score | 53 | 52 | 64 |
| Total Downloads | 125 | 4.1K | 1.0K |
| 30d Downloads | 0 | 2.9K | 0 |
| Dependents | 1 | 6 | 38 |
| Releases | 1 | 4 | 10 |
| Last Updated | 9d ago | 12d ago | 5d ago |
| Age | 9d | 2m | 4m |
Health Breakdown
iqdb-quantize
Maintenance
12
Quality
16
Community
7
Popularity
3
Documentation
15
turbo-quant
Maintenance
12
Quality
13
Community
8
Popularity
4
Documentation
15
qntz
Maintenance
19
Quality
16
Community
10
Popularity
4
Documentation
15
Technical Details
| iqdb-quantize | turbo-quant | qntz | |
|---|---|---|---|
| Version | 1.0.0 | 0.2.2 | 0.1.9 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 7 | 9 | 5 |
| Crate Size | 98KB | 73KB | 59KB |
| Features | 1 | 1 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.87 | 1.75.0 | 1.80 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •qntz leads with a health score of 64/100, but none of the options score above 80.
- •turbo-quant has the most downloads (4.1K), suggesting wider adoption.
- •turbo-quant, qntz are pre-1.0 — API may change.