Prompt Caching: Cut LLM Bills 90% Across Claude, GPT, Gemini

1Key Takeaways

• Originally published on AI Tech Connect .
• What you need to know Most production LLM bills contain a large amount of the same tokens, sent over and over.
• A support classifier re-sends its 6,000-token policy and schema on every ticket.
• A retrieval-augmented answer bot re-sends the same instructions and the same retrieved passages for a burst of follow-up questions.