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Google's 30-Day Gemini Preview Shutdown Exposes SaaS Model Dependency Risks

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Google announced on August 27 that its Gemini Omni 1.1 Flash video generation model would move to general availability, simultaneously scheduling the older preview endpoint for deprecation on September 30 — giving developers roughly 30 days to migrate. The author, building a salon AI app called Miraviso, notes this pattern is a systemic risk for any product built on hosted AI model previews. Miraviso's on-device color try-on feature is unaffected since it runs locally via MediaPipe, but its server-side haircut preview on Vertex AI faces a real dependency on Google's release schedule. A privacy-first design — where preview images are never stored — removes the standard migration tool of replaying production data against the new model. The author argues that the difference between a stressful migration and a smooth one is whether a tested procedure already exists before the deprecation notice arrives.

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