Spending Analysis & Savings Tips
EverydayResearch
Give spending by category and a savings target, and get the three biggest categories with one way to cut each.
Fill the blanks and it copies as you filled it
Analyze my spending and find where I can cut back. - Spending breakdown: - Savings goal: - Output: biggest spending categories, each with one concrete savings tip
0 of 3 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
700
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)
Reported backfire — Asking for several options at onceAn increase of over 50% in 9% of scenarios. Don't use it on questions with one right answer
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
Asking for several options at once
36%mean reduction · 95% CI 25–47%
Podder et al. 2026 BP#1 · 22 use cases / 71 prompts
by modelGPT-4o 50%Command R+ 44%Mistral-7B 39%