Decision Workspace
spectracost vs cachebench vs onwards
Side-by-side comparison of Rust crates
43
spectracost
experimentalv0.1.0
AI cost observability SDK - see the full spectrum of your AI spend
44
cachebench
experimentalv0.1.0
Prompt-cache observability for LLM APIs. Per-call hit ratio, cost saved, regression alerts. Anthropic, OpenAI, Bedrock.
63
onwards
experimentalv0.34.6
A flexible LLM proxy library
Core Metrics
| spectracost | cachebench | onwards | |
|---|---|---|---|
| Health Score | 43 | 44 | 63 |
| Total Downloads | 21 | 16 | 12.1K |
| 30d Downloads | 0 | 0 | 634 |
| Dependents | 0 | 0 | 252 |
| Releases | 1 | 1 | 72 |
| Last Updated | 90d ago | 65d ago | 3d ago |
| Age | 3m | 2m | 11m |
Health Breakdown
spectracost
Maintenance
8
Quality
12
Community
6
Popularity
2
Documentation
15
cachebench
Maintenance
9
Quality
13
Community
6
Popularity
1
Documentation
15
onwards
Maintenance
19
Quality
11
Community
13
Popularity
5
Documentation
15
Technical Details
| spectracost | cachebench | onwards | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.0 | 0.34.6 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 9 | 5 | 41 |
| Crate Size | 23KB | 10KB | 256KB |
| Features | 0 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.75 | 1.75 | 1.88.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •onwards leads with a health score of 63/100, but none of the options score above 80.
- •onwards is depended on by 252 crates — strongest ecosystem trust.