Decision Workspace
lithia vs sema-lang vs tan
Side-by-side comparison of Rust crates
45
lithia
growingv1.0.6
Embeddable and simple lisp dialect
49
sema-lang
experimentalv1.10.0
Sema — a Lisp dialect with first-class LLM primitives
47
tan
growingv0.16.0
The Tan language
Core Metrics
| lithia | sema-lang | tan | |
|---|---|---|---|
| Health Score | 45 | 49 | 47 |
| Total Downloads | 8.9K | 81 | 23.7K |
| 30d Downloads | 9 | 9 | 235 |
| Dependents | 0 | 0 | 66 |
| Releases | 7 | 6 | 14 |
| Last Updated | 1367d ago | 35d ago | 517d ago |
| Age | 3y 11m | 1m | 3y 2m |
Health Breakdown
lithia
Maintenance
4
Quality
22
Community
4
Popularity
5
Documentation
10
sema-lang
Maintenance
17
Quality
14
Community
6
Popularity
2
Documentation
10
tan
Maintenance
10
Quality
14
Community
8
Popularity
5
Documentation
10
Technical Details
| lithia | sema-lang | tan | |
|---|---|---|---|
| Version | 1.0.6 | 1.10.0 | 0.16.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 1 | 10 | 4 |
| Crate Size | 10KB | 105KB | 93KB |
| Features | 2 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •sema-lang leads with a health score of 49/100, but none of the options score above 80.
- •tan has the most downloads (23.7K), suggesting wider adoption.
- •⚠ lithia, tan have not been updated in over a year.
- •tan is pre-1.0 — API may change.