blog / why-ai-pitch-decks-look-generic
Why do AI-generated pitch decks look generic?
Because of the prompt, not the model.
Type "make me a pitch deck for my logistics startup" and you get sixteen slides in about forty seconds. They're clean. The headlines say Problem, Solution, Market, Team, Traction. The colours are a blue you didn't choose. And an investor who reads a hundred of these a quarter can tell inside five seconds.
That isn't a model failure. The model answered exactly what you asked. The problem is that a deck is 90% things the model has no way to know, and one sentence gave it none of them.
There are three specific gaps, and there's a fix for each.
Gap 1: nobody interviewed you
The things that make a deck yours are all answers to questions:
- Who is the one person reading it? Not "investors" — a category can't be emailed. A seed-stage generalist and a strategic corp-dev lead need different decks.
- What has to happen after they read it? An action, not a feeling.
- What do they do about this problem today, even badly, and what does that cost them? Your real competitor is usually a spreadsheet and a habit.
- What's the strongest reason to say no, and your honest answer?
A generator that asks none of that has to fill sixteen slides from a single sentence, and the only material it has is the average of every deck it has ever seen. Which is the definition of generic.
So the fix isn't a longer prompt. It's being interviewed before any slide exists — and being pushed back on. "AI-powered" is a feature, not a moat. "Let's explore working together" isn't an ask. A good interview says so.
The order matters more than it sounds. Get interviewed, then outline, then design. Every generator wants to skip to slides, because slides are what you asked for and slides are what looks like progress.
Gap 2: it was built on the generator's defaults, not your brand
Ask for a deck and you get the tool's house style — a template, a stock gradient, a typeface someone else picked. It looks fine and it looks like nothing.
The fix is cheap, and most people skip it because nobody asks:
- Your website gives real colours, your logo, your actual imagery. It cannot give fonts — the CSS names them but the files aren't yours to take.
- Any deck you've used before gives the fonts, plus the type scale and the layout habits someone already made decisions about.
- Both is best: the site for colour and logo, the old deck for type.
Ten seconds of your input — one URL, one old file — is the difference between "built on a template" and "built on your brand." If you genuinely have neither, the honest answer is to design a system on purpose rather than quietly inherit one.
Gap 3: there's no proof in it, because proof can't be generated
This is the one that actually loses the room.
A model can write your problem slide. It can write a plausible market slide. What it cannot do is know that you went from $12k to $40k MRR between March and August, that nine of your thirty-four garages have paid every month since launch, or that the thing which surprised you was customers using it for something you didn't build.
Interest is free. Traction is earned. And the absence of real numbers is exactly what a generic deck sounds like — lots of confident sentences, nothing you could check.
Worse, a generator asked for a market slide will happily produce a number. Uncited market sizes are the single most common invented fact in AI-written decks, and an investor who spots one stops trusting the rest of the page.
Two rules that fix most of it:
- Never let a number onto a slide without a source you could show. If you don't have it, the slide says what you do have.
- Distinguish evidence from hope. Three signed LOIs is evidence. "Strong inbound interest" is hope wearing evidence's clothes.
The five-second test you can run right now
Open your deck and read only the headlines, in order. Nothing else.
Do they make the argument on their own?
Most decks fail this, and they fail it the same way: the headlines are topic labels. "Market." "Team." "Traction." A label tells the reader which drawer the slide belongs in. A conclusion tells them what to think:
- "Market" → "The wedge is a $4B niche nobody serves well."
- "Traction" → "We hit $40k MRR in five months, from $12k in March."
- "Team" → "We ran this operation at scale before, at the incumbent."
Investors skim headlines first. If the headline-only read makes your case, the deck works even when nobody reads the body. If it doesn't, no amount of design will save it — and this is the single highest-leverage edit available to you.
And then edit it by hand
Even after all of the above, the last pass is yours. Line by line.
Editing AI writing by hand is what gives a deck a human voice, and the voice is part of what's being assessed. A deck the founder has actually been over reads differently from one they approved in a chat window, even when the words are similar. The tell is usually abstraction: a sentence that would fit any company if you swapped the name out.
Read every line. Ask "would this survive if I deleted our name?" If yes, it's not saying anything.
Frequently asked questions
Can AI make a good pitch deck?
Yes — if it interviews you first, builds on your real brand, and uses your real numbers. The failure mode isn't the model, it's asking for slides in one sentence and getting exactly that. The interview and the outline are the parts that decide whether a deck works, and they take about fifteen minutes.
Can investors tell if a deck was made with AI?
They can tell when it's generic, which is usually the same thing. The tells are topic-label headlines, market numbers with no source, sentences that would fit any company, and a template look. None of those are inherent to using AI — they're what happens when nobody supplies the specifics.
What should I give an AI to make my deck less generic?
One URL and one old deck. The site gives colours, logo and imagery; the old deck gives fonts and layout habits. Then your real numbers with dates, and the name and role of the one person who'll read it. That's most of the gap closed.
Should I use an AI deck generator at all?
For the first draft of the structure, yes — it's faster than a blank page and it'll argue with you if it's any good. For the story and the proof, no: those are the parts only you have. Treat it as a maker you're briefing, not an oracle you're querying.
How many slides should a pitch deck be?
10–15 for the version you send. The whole first read averages two to four minutes, so a 30-slide deck isn't a thorough deck, it's an unread one. Anything you'd only discuss live goes in an appendix.
Get interviewed before you get slides
DeckCP's /deck skill runs the whole thing in your own AI: it interviews you, pushes back on the weak parts, settles what each slide should look like in plain words you can check, and only then builds — on your brand, from your numbers. Nothing advances until you say so.