Decision Workspace
pgn-lexer vs ailed-soulsteal vs logos
Side-by-side comparison of Rust crates
34
pgn-lexer
growingv0.1.1
A lexer for PGN files for chess. Provides an iterator over the tokens from a byte stream.
42
ailed-soulsteal
experimentalv26.3.0
Fast game data extractor — drains PGN into tokenized training data for ML models. 60K+ games/sec.
64
logos
growingv0.16.1
Create ridiculously fast Lexers
Core Metrics
| pgn-lexer | ailed-soulsteal | logos | |
|---|---|---|---|
| Health Score | 34 | 42 | 64 |
| Total Downloads | 5.1K | 21 | 62.1M |
| 30d Downloads | 0 | 0 | 2.8M |
| Dependents | 0 | 0 | 4.8K |
| Releases | 3 | 1 | 58 |
| Last Updated | 2026d ago | 105d ago | 164d ago |
| Age | 8y 10m | 3m | 7y 8m |
Health Breakdown
pgn-lexer
Maintenance
3
Quality
14
Community
5
Popularity
4
Documentation
8
ailed-soulsteal
Maintenance
8
Quality
16
Community
6
Popularity
2
Documentation
10
logos
Maintenance
12
Quality
15
Community
17
Popularity
8
Documentation
12
Technical Details
| pgn-lexer | ailed-soulsteal | logos | |
|---|---|---|---|
| Version | 0.1.1 | 26.3.0 | 0.16.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | GPL-3.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 4 | 6 | 3 |
| Crate Size | 21KB | 22KB | 28KB |
| Features | 0 | 0 | 6 |
| Yanked % | 0.0% | 0.0% | 8.6% |
| Edition | — | 2021 | 2021 |
| MSRV | — | — | 1.80.0 |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •logos leads with a health score of 64/100, but none of the options score above 80.
- •logos is depended on by 4.8K crates — strongest ecosystem trust.
- •⚠ pgn-lexer has not been updated in over a year.
- •pgn-lexer, logos are pre-1.0 — API may change.