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| Criterion |  Innovation Design Sprint |  Innovation Lean Startup |  Architecture arc42 |
|---|---|---|---|
Purposedifferent | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 4-5 Tage | Wochen bis Monate je Lernzyklus | 1-2 Tage |
Participantsdifferent | 5-8 | 2-8 | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | Design sprintPrototypeValidationInnovation | LeanStartupValidationMVP | ArchitectureDocumentationCommunication |
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