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Selected:Lean CanvasC4 ModelArchitecture Inception CanvasLASR (Lightweight Approach for Software Reviews)
| Criterion |  Product Strategy Lean Canvas |  Architecture C4 Model |  Architecture Architecture Inception Canvas |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-90 min | 1-4 h | 1-2 h | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 1-6 | 1-5 | 3-8 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Context Diagram, Container Diagram, Component Diagram | Inception Canvas, Risks, Goal List, Open Questions | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureCommunicationVisualization | AlignmentArchitectureCanvas | ArchitectureQualityRiskAssessmentLean |