Decision Workspace
tq-kv vs turboquant vs bitpolar
Side-by-side comparison of Rust crates
52
tq-kv
experimentalv0.4.0
TurboQuant: Extreme KV Cache Compression for LLMs — ICLR 2026 Pure Rust implementation. Lloyd-Max codebook, fused attention, SIMD (AVX2), candle KvCache drop-in. 2-4 bit, up to 15x compression. Supports Qwen2, Llama, Mistral, Phi-3, Gemma2.
46
turboquant
experimentalv0.1.1
Implementation of Google's TurboQuant algorithm for vector quantization
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
| tq-kv | turboquant | bitpolar | |
|---|---|---|---|
| Health Score | 52 | 46 | 47 |
| Total Downloads | 44 | 34 | 9 |
| 30d Downloads | 44 | 34 | 9 |
| Dependents | 0 | 0 | 0 |
| Releases | 4 | 2 | 1 |
| Last Updated | today | 2d ago | today |
| Age | 1d | 2d | 1d |
Health Breakdown
tq-kv
Maintenance
19
Quality
15
Community
6
Popularity
2
Documentation
10
turboquant
Maintenance
14
Quality
12
Community
6
Popularity
2
Documentation
12
bitpolar
Maintenance
13
Quality
15
Community
6
Popularity
1
Documentation
12
Technical Details
| tq-kv | turboquant | bitpolar | |
|---|---|---|---|
| Version | 0.4.0 | 0.1.1 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 5 | 17 | 13 |
| Crate Size | 45KB | 128KB | 84KB |
| Features | 4 | 2 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.87.0 | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •tq-kv leads with a health score of 52/100, but none of the options score above 80.