CASEDEV.to AI·4/25/2026
Cost-engineering an "AI Generate" button in a freemium product (from $0.08 to $0.029 per click)
The developer of the Crackly app details how they reduced the per-click cost of their AI-powered 'Generate Visualization' feature from $0.08 to $0.029. This was achieved through five cost-engineering strategies, including prompt caching and using more efficient models, making the feature viable for freemium users.
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