Nightly Drift Checks: Catch a Free Model's Behavior Change Before Your Users Do

Here's the conclusion up front: a free LLM endpoint is a moving target. You can't see the changes, but they're happening — model updates, quantization tweaks, server-side prompt rewrites. And your app will feel them, usually as a slow, invisible quality dip.

Source: [Dev.to](https://dev.to/aiio_8140/nightly-drift-checks-catch-a-free-models-behavior-change-before-your-users-do-315i)