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Smarter AI Memory Saves 20x Cost Without Sacrificing Performance

Pasting an entire chat history costs 20 to 31 times more than a smarter memory system, yet delivers no better results. That's the finding from testing four ways to give an AI assistant memory. The obvious approach, dumping everything in, was the worst value. For anyone building AI tools, this is the kind of practical insight that saves real money. It echoes the collaborative thinking behind our coverage of vote-based federated selection, where institutions choose features without sharing raw data.