Turn a topic into a slide-by-slide presentation outline
Give it your audience, goal and time limit and get a slide-by-slide outline with exactly one message per slide, sized to fit the clock.
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Your prompt
Model-agnostic — works in Claude, ChatGPT, Gemini or any AI chat.
Why this prompt works
- →Sizing the slide count to the time limit up front stops the model from producing a 20-slide deck for a 10-minute slot, which is the most common way outline prompts fail in practice.
- →The rule that a slide needing two messages must split into two slides enforces the one-idea-per-slide discipline that makes a deck skimmable, rather than leaving that judgment call to chance.
- →Restricting content to the supplied source material, with gaps noted rather than filled, keeps the model from manufacturing a convincing-looking statistic to support a slide that the real notes don't back up.
Part by part
- about 1-2 minutes per slide
- Converts a time limit into a slide count, which is the constraint people ignore until they are halfway through and out of time.
- the single message it needs to land (one sentence
- One message per slide. The rule that follows it is what enforces this rather than leaving it as advice.
- if a slide needs two messages, split it into two slides
- Makes the one-message rule actionable. It is also why outlines produced this way have more slides and shorter ones.
- one slide that states the specific action or decision you want
- Forces the talk to have a purpose. A presentation ending on a summary leaves the audience with nothing to do.
- note the gap instead of inventing supporting data
- The guard that matters most here, since invented figures on a slide are read as researched by everyone in the room.
Common mistakes
Create a presentation about our Q3 results.With no source material, every number on every slide is invented. Those numbers are then presented to people who may know the real ones, which is a worse outcome than an incomplete deck.
Make me a 20-slide deck.Slide count is the wrong constraint — it is determined by the time and the messages, not chosen. Fixing it first produces padding or compression depending on which way the content falls.
Write the slides for this presentation.Produces slide text rather than an outline, so you get sentences to read aloud. A slide that carries the full message competes with the speaker, which is why an outline stops at one message per slide.
Questions
Is one to two minutes per slide realistic?
As a planning heuristic, yes. Some slides take fifteen seconds and a demo takes five minutes, so the estimate is for catching a deck that is obviously twice as long as its slot rather than for precision.
Why one message per slide?
Because an audience reads a slide before listening to you, and a slide with two points splits attention between them. Splitting into two slides costs nothing and roughly doubles the chance each point lands.
What if the source material has gaps?
Leave them marked. A gap you know about is a question to answer before presenting; an invented figure is a claim you will be asked to defend and cannot.
Should the ask really be a separate slide?
If you want a decision, yes. A request folded into a summary gets read as a recap and produces nods rather than answers — a slide with only the ask on it is much harder to leave the room without addressing.