> For the complete documentation index, see [llms.txt](https://docs.layerlens.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.layerlens.ai/more-in-this-section-9/evaluate.md).

# layerlens evaluate

layerlens evaluate — create and run an evaluation.

```bash
layerlens evaluate --model openai/gpt-4o --benchmark mmlu
layerlens evaluate --space my-space
layerlens evaluate --space my-space --fail-on-regression --tolerance 0.01
```

## Options

| Option                 | Description                         |
| ---------------------- | ----------------------------------- |
| `--model`              | Model key                           |
| `--benchmark`          | Benchmark key                       |
| `--space`              | Saved space ID                      |
| `--scorers`            | Comma-separated scorer IDs          |
| `--judges`             | Comma-separated judge IDs           |
| `--fail-on-regression` | Exit non-zero on regression         |
| `--tolerance`          | Regression tolerance (default 0.01) |

## See also

* [Tutorial 3: CI/CD gates](/6.-build-wire-your-code/03-cicd-gates.md)