Make a card-news post
Slides & TalksCreative
Set the card count, ratio and characters per card, and get a carousel from hook to call to action.
Fill the blanks and it copies as you filled it
[Paste what you want to say — upload a file if it's long]
Turn the above into a card-news post for .
- Eight cards,
- Who sees it:
- characters per card at most
- A hook sentence on the cover, one message per card in the body, a call to action on the last
- Vary the amount of text and the layout from card to card
- Make it as PPTX0 of 4 blanks filled · anything left blank copies with its brackets
What this prompt does
Compared with asking the same thing without the length and format lines.estimate
Estimated output tokens
1,400
Asked loosely
700
This prompt
Energy (Wh)
1.215
Asked loosely
1.215
This prompt
Tokens estimated from characters; energy measured by Jegham et al. 2025.
A shorter answer, but the same energy band — the measurements are per band.
Reported backfire — Specifying output lengthSpecifying a length longer than needed backfires (a 34% increase in 11% of scenarios)
Where these figures come from
Published figures for the rule itself — not what this prompt saves.
Specifying output length
38.7%mean reduction · 95% CI 29.7–47.7%
Podder et al. 2026 BP#5 · 18 use cases / 57 prompts
by modelGPT-4o 35%Command R+ 49%Mistral-7B 32%
Reduced in every scenario. No backfire reported