Decision Workspace
llm_adapter vs llm_runtime vs liter-llm
Side-by-side comparison of Rust crates
55
llm_adapter
experimentalv0.2.8
A Rust library for adapting various language model APIs to a unified interface.
53
llm_runtime
experimentalv0.2.6
Abstractions and primitives for building agents and runtimes on top of llm_adapter.
61
liter-llm
experimentalv1.9.3
Universal LLM API client — 142+ providers, streaming, tool calling. Rust-powered, type-safe, compiled.
Core Metrics
| llm_adapter | llm_runtime | liter-llm | |
|---|---|---|---|
| Health Score | 55 | 53 | 61 |
| Total Downloads | 91.4K | 44.3K | 35.0K |
| 30d Downloads | 16.7K | 14.8K | 9.4K |
| Dependents | 9 | 0 | 450 |
| Releases | 16 | 9 | 86 |
| Last Updated | 5d ago | 5d ago | 9d ago |
| Age | 4m | 3m | 3m |
Health Breakdown
llm_adapter
Maintenance
19
Quality
14
Community
6
Popularity
6
Documentation
10
llm_runtime
Maintenance
19
Quality
15
Community
3
Popularity
6
Documentation
10
liter-llm
Maintenance
18
Quality
15
Community
13
Popularity
5
Documentation
10
Technical Details
| llm_adapter | llm_runtime | liter-llm | |
|---|---|---|---|
| Version | 0.2.8 | 0.2.6 | 1.9.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | AGPL-3.0-only | AGPL-3.0-only | MIT |
| Dependencies | 14 | 6 | 46 |
| Crate Size | 142KB | 31KB | 524KB |
| Features | 5 | 4 | 19 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •liter-llm leads with a health score of 61/100, but none of the options score above 80.
- •llm_adapter has the most downloads (91.4K), suggesting wider adoption.
- •liter-llm is depended on by 450 crates — strongest ecosystem trust.
- •llm_adapter, llm_runtime are pre-1.0 — API may change.