# DecisionPen vs LeanIX: when should you complement or switch?
> Canonical: https://decisionpen.com/blog/decisionpen-vs-leanix-complement-or-switch
## Summary
Core EA modelling with LeanIX metamodel support; DecisionPen adds evidence, incremental modelling, Ask. Complement or switch by operating model.
## How DecisionPen solves this
Modelling + evidence + Ask + artefacts; metamodel compatibility. Trial: https://decisionpen.com/trial
## When not
Diagramming-only or writing Copilot only.