In my last post I broke down how LLMs count tokens and why your bill is decided at the tokenizer. A lot of the follow-up questions were the same: "Okay — so how do I actually pay less? " This is the answer, and it's the single highest-leverage cost lever available on Claude, GPT, and Gemini toda...
Source: [Dev.to](https://dev.to/james_anderson_h/prompt-caching-explained-how-to-cut-your-llm-bill-by-70-90-with-real-math-3cna)