Even if you don't have much data, SQLMesh will save you time over dbt. Iteration is an important part to developing data pipelines, and fully refreshing your warehouse every time is wasteful and can slow you down.

Trying out SQLMesh is easy, you can import your existing project and leverage SQLMesh's runtime. At the very least, you can add unit tests to your project.

You can see a more detailed comparison here https://sqlmesh.readthedocs.io/en/stable/comparisons/.