Decision Workspace
rankops vs rerank vs lethe-core-rust
Side-by-side comparison of Rust crates
51
rankops
experimentalv0.1.4
Operations on ranked lists: fusion (RRF, Copeland, CombMNZ, DBSF, 14 methods), reranking (MaxSim/ColBERT, MMR, DPP), evaluation (NDCG, MAP, MRR), diagnostics, pipeline builder.
35
rerank
experimentalv0.1.0
Fast rank fusion algorithms for hybrid search (RRF, CombMNZ, Borda)
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
| rankops | rerank | lethe-core-rust | |
|---|---|---|---|
| Health Score | 51 | 35 | 42 |
| Total Downloads | 297 | 26 | 699 |
| 30d Downloads | 297 | 2 | 4 |
| Dependents | 7 | 0 | 0 |
| Releases | 5 | 1 | 2 |
| Last Updated | 10d ago | 121d ago | 194d ago |
| Age | 27d | 4m | 6m |
Health Breakdown
rankops
Maintenance
15
Quality
15
Community
8
Popularity
3
Documentation
10
rerank
Maintenance
7
Quality
10
Community
6
Popularity
2
Documentation
10
lethe-core-rust
Maintenance
9
Quality
11
Community
6
Popularity
3
Documentation
13
Technical Details
| rankops | rerank | lethe-core-rust | |
|---|---|---|---|
| Version | 0.1.4 | 0.1.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 5 | 3 | 19 |
| Crate Size | 160KB | 13KB | 1.2MB |
| Features | 5 | 3 | 4 |
| Yanked % | 0.0% | 100.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rankops leads with a health score of 51/100, but none of the options score above 80.
- •lethe-core-rust has the most downloads (699), suggesting wider adoption.