Decision Workspace
nvs-packer vs bm25-turbo-cli vs lethe-core-rust
Side-by-side comparison of Rust crates
35
nvs-packer
experimentalv0.1.0
CLI: Convert JSON docs to native-vector-store bundle (Rust)
43
bm25-turbo-cli
experimentalv0.1.0
CLI and HTTP server for BM25 Turbo
42
lethe-core-rust
experimentalv0.1.1
High-performance hybrid retrieval engine combining BM25 lexical search with vector similarity using z-score fusion. Features hero configuration for optimal parity with splade baseline, gamma boosting for code/error contexts, and comprehensive chunking pipeline.
Core Metrics
| nvs-packer | bm25-turbo-cli | lethe-core-rust | |
|---|---|---|---|
| Health Score | 35 | 43 | 42 |
| Total Downloads | 301 | 12 | 699 |
| 30d Downloads | 3 | 12 | 4 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 1 | 2 |
| Last Updated | 184d ago | 4d ago | 194d ago |
| Age | 6m | 4d | 6m |
Health Breakdown
nvs-packer
Maintenance
5
Quality
11
Community
6
Popularity
3
Documentation
10
bm25-turbo-cli
Maintenance
13
Quality
11
Community
6
Popularity
1
Documentation
12
lethe-core-rust
Maintenance
9
Quality
11
Community
6
Popularity
3
Documentation
13
Technical Details
| nvs-packer | bm25-turbo-cli | lethe-core-rust | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 19 | 21 | 19 |
| Crate Size | 27KB | 42KB | 1.2MB |
| Features | 0 | 0 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •bm25-turbo-cli leads with a health score of 43/100, but none of the options score above 80.
- •lethe-core-rust has the most downloads (699), suggesting wider adoption.