Decision Workspace
llm_json vs jsonrepair-rs vs jsonfixer
Side-by-side comparison of Rust crates
61
llm_json
growingv1.0.3
Rust crate to fix malformed JSON outputs from LLMs
48
jsonrepair-rs
experimentalv0.1.0
Repair broken JSON — fix quotes, commas, comments, trailing content, and 30+ other issues
38
jsonfixer
experimentalv0.1.0
A Rust library to repair broken JSON strings, commonly used to parse the output of LLMs
Core Metrics
| llm_json | jsonrepair-rs | jsonfixer | |
|---|---|---|---|
| Health Score | 61 | 48 | 38 |
| Total Downloads | 17.7K | 12 | 764 |
| 30d Downloads | 3.6K | 12 | 122 |
| Dependents | 218 | 0 | 2 |
| Releases | 4 | 1 | 1 |
| Last Updated | 1d ago | 3d ago | 218d ago |
| Age | 10m | 3d | 7m |
Health Breakdown
llm_json
Maintenance
18
Quality
17
Community
11
Popularity
5
Documentation
10
jsonrepair-rs
Maintenance
13
Quality
16
Community
6
Popularity
1
Documentation
12
jsonfixer
Maintenance
4
Quality
14
Community
7
Popularity
3
Documentation
10
Technical Details
| llm_json | jsonrepair-rs | jsonfixer | |
|---|---|---|---|
| Version | 1.0.3 | 0.1.0 | 0.1.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 4 | 3 | 8 |
| Crate Size | 13KB | 21KB | 20KB |
| Features | 0 | 2 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.70 | — |
| Owners | 2 | 1 | 1 |
Links
Quick Verdict
- •llm_json leads with a health score of 61/100, but none of the options score above 80.
- •llm_json is depended on by 218 crates — strongest ecosystem trust.
- •jsonrepair-rs, jsonfixer are pre-1.0 — API may change.