> 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-4/migration-langsmith.md).

# Recipe: Port a LangSmith eval

Recipe — port a LangSmith eval dataset and judge into Stratix.

## Steps

1. Export LangSmith dataset to JSONL.
2. Upload to Stratix as private benchmark.
3. Re-author judge using Stratix judge builder.
4. (Recommended) GEPA-optimize against your LangSmith labels.

```python
client.benchmarks.upload("./langsmith-export.jsonl", name="ported-from-langsmith")
```

## See also

* [Migration: From LangSmith](/6.-build-wire-your-code/from-langsmith.md)