Prompt Caching

Will your prompt be cached?

AI providers can reuse the start of a prompt they have seen before, at about a tenth of the price. They only reuse it up to the first character that changes. Paste a prompt below to see which part gets reused, what stops it, and how to fix it.

  1. 1
    Pick an example or paste your own prompt
  2. 2
    See the colors: green is reused, is paid every time
  3. 3
    Apply the fixes and watch the green grow

1Pick an example

2Your prompt, in the order the AI reads it

Add a part: