U2xAI
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Shipping & Model Lifecycle

Model migration and version changes for users Interview Questions

22 questions. All 22 carry a written answer.

  1. #1Your provider deprecates the model behind your main feature in 60 days. Write the plan.CaseAdvanced
  2. #2How do you test a replacement model against the behaviour users have come to expect?CaseAdvanced
  3. #3Explain why a strictly better model can still be a bad migration.ConceptAdvanced
  4. #4What should you tell users when model behaviour changes underneath them?Artifact critiqueIntermediate
  5. #5Describe a dual-running strategy for a model migration.ConceptAdvanced
  6. #6How do you handle customers who tuned their prompts to the old model?CaseAdvanced
  7. #7What contractual commitments should you avoid making about model behaviour?ConceptAdvanced
  8. #8Design the regression suite you would run before any model swap.Artifact critiqueAdvanced
  9. #9How long should you keep the old model available after migrating?ConceptAdvanced
  10. #10Explain the migration risk specific to a fine-tuned model.ConceptAdvanced
  11. #11What is the cost profile of running two models in parallel during a migration?CalculationAdvanced
  12. #12How would you migrate when the new model has a different context window?CaseAdvanced
  13. #13Describe how you would detect subtle behaviour drift after a migration.CaseAdvanced
  14. #14What is your policy for pinning versus automatically adopting the latest model?ConceptAdvanced
  15. #15How do you communicate a migration to enterprise customers with change-control processes?CaseAdvanced
  16. #16Critique a migration plan that relies only on benchmark comparisons.Artifact critiqueAdvanced
  17. #17What should you build now so that the next migration is cheaper?ConceptAdvanced
  18. #18Explain the tradeoff between an abstraction layer and using provider-specific features.ConceptAdvanced
  19. #19How do you handle a migration that improves most cases and regresses a critical one?CaseAdvanced
  20. #20What role does the golden set play in a migration decision?ConceptIntermediate
  21. #21Describe the rollback plan for a migration that has already shipped.CaseAdvanced
  22. #22Walk me through a model migration you would run for a product I name.InterviewAdvanced