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| Criterion |  Agile Bucket System |  Agile Affinity Estimation |  Product Discovery Context Canvas |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-90 min | 30-90 min | 45-90 min | 1-2 h |
Participantsdifferent | 3-12 | 3-12 | 3-10 | 3-8 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Bucketed Backlog, Relative Estimates, Split Candidates | Affinity Size Map, Grouped Estimates, Unclear Items | Context canvas, Open questions, Shared context notes | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing | ContextFramingRequirementsCanvas | AlignmentArchitectureCanvas |