Decision Workspace
nvs-core vs lethe-core-rust vs anda_db
Side-by-side comparison of Rust crates
36
nvs-core
experimentalv0.1.0
Native Vector Store (Rust) core: bundle format, mmap reader, vector/BM25/hybrid search
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.
58
anda_db
experimentalv0.7.24
Anda DB is a Rust library designed as a specialized database for AI Agents, focusing on knowledge & memory.
Core Metrics
| nvs-core | lethe-core-rust | anda_db | |
|---|---|---|---|
| Health Score | 36 | 42 | 58 |
| Total Downloads | 453 | 699 | 15.7K |
| 30d Downloads | 25 | 4 | 689 |
| Dependents | 1 | 0 | 118 |
| Releases | 1 | 2 | 56 |
| Last Updated | 184d ago | 194d ago | 1d ago |
| Age | 6m | 6m | 11m |
Health Breakdown
nvs-core
Maintenance
5
Quality
11
Community
7
Popularity
3
Documentation
10
lethe-core-rust
Maintenance
9
Quality
11
Community
6
Popularity
3
Documentation
13
anda_db
Maintenance
19
Quality
12
Community
12
Popularity
5
Documentation
10
Technical Details
| nvs-core | lethe-core-rust | anda_db | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.1 | 0.7.24 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 18 | 19 | 27 |
| Crate Size | 38KB | 1.2MB | 76KB |
| Features | 0 | 4 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •anda_db leads with a health score of 58/100, but none of the options score above 80.
- •anda_db is depended on by 118 crates — strongest ecosystem trust.