Practice a conversation
StudyEveryday
The model plays the other person two sentences at a time and corrects you on the spot.
Fill the blanks and it copies as you filled it
I want to practice a conversation in . - How long I've studied it: - Situation: - You play the other person, and say only two sentences at a time - Correct me on the spot when I get something wrong, one line of explanation
0 of 3 blanks filled · anything left blank copies with its brackets
Two sentences at a time keeps it a conversation instead of a lecture.
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
Token counts are estimated from character counts, not measured. Energy uses the per-band figures measured by Jegham et al. 2025 as published.
A shorter answer, but the same energy band. The measurements are per band, and this much does not cross one.
Reported backfire — Specifying output lengthSpecifying a length longer than needed backfires (a 34% increase in 11% of scenarios)
Where these figures come from
We read the prompt to see whether it carries that instruction. The percentages below are published figures for the rule itself, not a measurement of 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