CCDV-F practice › Model Selection & Optimization · Question 48 of 92
Model Selection & Optimization
A prompt carefully tuned against one model version produces noticeably different output after the team upgrades to a newer version. What is this, and what's the discipline?
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Answer: B — A breaking behaviour change across releases — pin versions and re-evaluate before upgrading
Breaking behaviour changes across model releases are explicitly on the blueprint. Pinning and re-evaluation travel together — pinning buys you stability, re-evaluation is what you do before deliberately moving forward.
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