Should prompt caching determine which AI model we choose?
Caching is one part of the operating cost, not the whole selection decision. Measure actual cached usage under both first-request and repeated-request conditions. Then compare quality, correction effort and completion time. Preserve tenant isolation and check current provider terms before making projections from a cached-token price.
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GPT-6.1 Sol Makes the Case for Measuring Cost per Accepted TaskA practical framework for evaluating GPT-6.1 Sol: include retries, review, caching and failure costs before switching production workloads.
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