Decision Workspace
semantic-memory vs aurora-semantic vs smgrep
Side-by-side comparison of Rust crates
45
semantic-memory
experimentalv0.3.0
Hybrid semantic search with SQLite, FTS5, and HNSW — built for AI agents
53
aurora-semantic
experimentalv1.2.1
Local embedded semantic search engine for source code, designed for IDE integration
52
smgrep
experimentalv0.6.0
Semantic code search tool with GPU acceleration
Core Metrics
| semantic-memory | aurora-semantic | smgrep | |
|---|---|---|---|
| Health Score | 45 | 53 | 52 |
| Total Downloads | 18 | 92 | 197 |
| 30d Downloads | 18 | 11 | 18 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 4 | 6 |
| Last Updated | 28d ago | 85d ago | 119d ago |
| Age | 28d | 2m | 4m |
Health Breakdown
semantic-memory
Maintenance
11
Quality
14
Community
6
Popularity
2
Documentation
12
aurora-semantic
Maintenance
14
Quality
16
Community
6
Popularity
2
Documentation
15
smgrep
Maintenance
19
Quality
11
Community
6
Popularity
3
Documentation
13
Technical Details
| semantic-memory | aurora-semantic | smgrep | |
|---|---|---|---|
| Version | 0.3.0 | 1.2.1 | 0.6.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 13 | 31 | 67 |
| Crate Size | 82KB | 93KB | 476KB |
| Features | 4 | 5 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.75 | 1.75 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •aurora-semantic leads with a health score of 53/100, but none of the options score above 80.
- •smgrep has the most downloads (197), suggesting wider adoption.
- •semantic-memory, smgrep are pre-1.0 — API may change.