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| Criterion |  Architecture Software Architecture Canvas |  Product Discovery Assumption Mapping |  Product Strategy Lean Canvas |
|---|---|---|---|
Purposedifferent | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 1-2 h | 45-60 min | 45-90 min |
Participantsdifferent | 3-10 | 2-8 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | Assumption map, Test backlog, Risk ranking | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | AssumptionsRiskExperimentsValidation | StartupLeanAssumptionsBusiness model |
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