# How do you choose an enterprise architecture tool in 2026?

> Canonical: https://decisionpen.com/blog/how-to-choose-an-enterprise-architecture-tool-2026  
> Published: 2026-10-18 · DecisionPen · Living EA series (B1)  
> Related docs: /docs/decisionpen-vs-traditional-ea, /docs/architecture-decision-workspace, /docs/beyond-traditional-ea

## Summary

2026 evaluation goes beyond metamodel checkboxes: How/Why evidence, modelling tax, Ask with citations, docs as views, honest product boundaries, and who owns context in an agentic era.

## Evaluation criteria

1. How and Why with the What  
2. Incremental modelling vs blank forms  
3. Map-grounded Ask  
4. Artefacts from living context  
5. Honest boundaries (not Visio)  
6. Agentic-era context ownership  

## How does DecisionPen solve this (on a shortlist)?

Architecture Decision Workspace with full EA modelling (LeanIX metamodel support), evidence, incremental modelling, Enterprise Ask, template artefacts. Trial the same way you score other vendors: https://decisionpen.com/trial

## When is DecisionPen not the right tool?

Freeform diagramming/BPMN or pure ops CMDB.

## FAQ

**What to evaluate in 2026?** Context, modelling tax, Ask, docs-as-views, boundaries, ownership.  
**Classic repository enough?** Often not under AI-speed change — need ADW traits.  
**How DecisionPen fits?** ADW + modelling + Ask + artefacts; complement or switch.  
**Wrong tool when?** Drawing canvas or pure CMDB.

## Related posts

- https://decisionpen.com/blog/ai-enterprise-architecture-copilot-vs-metamodel-agent  
- https://decisionpen.com/blog/enterprise-architecture-tools-for-mergers-and-acquisitions