# apr eval
Evaluate model perplexity (spec H13: PPL <= 20) or classification metrics
**Category**: Quality & Evaluation
## Synopsis
```text
apr eval [OPTIONS]
```
## Example
```bash
apr eval --help
```
## Full help
Run `apr eval --help` for the complete option list.
## See also
- Source: [`crates/apr-cli/src/commands/eval.rs`](https://github.com/paiml/aprender/blob/main/crates/apr-cli/src/commands/eval.rs)
- Contract: [`contracts/apr-page-cli-eval-v1.yaml`](https://github.com/paiml/aprender/blob/main/contracts/apr-page-cli-eval-v1.yaml)