Model migrations should prove behavior, not just API compatibility
hwchase17 · x · 2026-07-26
- The post says model portability is part of owning your intelligence: switching models should be evaluated as more than an API compatibility check.
- A migration should verify whether the new model can reproduce previously accepted behavior from reviewed evidence and evals, with regressions visible before users encounter them.
- The core idea is to treat model migration like a disciplined engineering process, not a blind swap of endpoints.
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