Prompt Caching Strategies to Cut LLM Costs by 70%

LLM API costs add up fast when you're running a production application. If your system prompt is 2,000 tokens and you're processing 10,000 requests a day, you're paying for those same tokens 10,000 times. Prompt caching lets you pay once and reuse — and the savings can be dramatic. What Prompt Caching Actually Is Most LLM providers charge for...