Essays··11 min read
Semantic Caching Promised 73%, Finance Got a Second Bill
In January 2026, VentureBeat ran a headline about semantic caching cutting LLM bills by 73%, and by April the pitch had settled into a tighter band. Vendor materials and open-source library documentation claimed 30-70% cost reductions, latency improvements measured in multiples, and deployment described as a few hours of engineering work. The promise was …
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