Look something up

Research

Requires a source next to every claim and an explicit admission wherever the answer is uncertain.

Fill the blanks and it copies as you filled it



- Whether it has to be current: 
- Put a source next to each claim
- Say so when you aren't sure
- Five points or fewer, two sentences each at most

0 of 2 blanks filled · anything left blank copies with its brackets

Compared with asking the same thing without the length and format lines.estimate

Estimated output tokens

700

Asked loosely

180

This prompt

Energy (Wh)

1.215

Asked loosely

0.423

This prompt

Tokens estimated from characters; energy measured by Jegham et al. 2025.

What that saves

15.8 Wh · 5.54 gCO₂e · 74 mL — assuming 20 uses a day — the global average is 3.7 (Chatterji et al. 2025)

Tap a card for how the conversion was done.

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

Limiting it to the material given

자료 범위 제한

· Anthropic, Reduce hallucinations — 제공한 자료만 쓰도록 명시적으로 제한할 것

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· 팀 자료, 상황별 에코 프롬프트 48개 중 24번·41번