SQLMesh vs dbt in 2026: Virtual Data Environments, Free Backfills, and When to Switch
Honest 2026 comparison of SQLMesh and dbt: virtual data environments, free backfills, Python models, dbt Fusion, and a real migration framework with code examples.
Articles by Hannah Walsh
Airflow vs Prefect vs Dagster in 2026: Choosing a Python Data Orchestrator
A field-tested comparison of Airflow 3, Prefect 3, and Dagster for Python data pipelines in 2026: dbt integration, partition backfills, testing in pytest, and observability tradeoffs that matter at 3am.
Polars vs pandas in 2026: a real 14GB benchmark, not a toy CSV
Every Polars-vs-pandas comparison I've read in the last year uses a 500MB CSV and announces that Polars is faster. I wanted to know what happens on the workload I actually run at work.