If you are shopping for material to speed up building websites with AI, you will run into two different products described in similar language. Getting them confused is expensive, because they solve different problems.
What a prompt is
A written brief. Usually a few hundred words, sometimes with a design token block and explicit constraints. You paste it into Claude, Cursor, v0, Lovable, Bolt — anything that accepts text — and it generates an implementation.
What you get: something adapted to your project. If you are on Tailwind v4 and the prompt does not assume otherwise, the output uses your setup. Ask for changes in plain language and the model applies them.
What it costs you: variance. The same prompt run twice gives you two slightly different results. You review each one. On a good prompt the variance is cosmetic; on a vague one it is structural.
What a component is
Finished code. A React file, or a set of them. You drop it into your project.
What you get: determinism. It renders the same way every time, and you can read exactly what it does before it runs.
What it costs you: adaptation. It arrives with opinions — a styling approach, a state library, an animation dependency. If those do not match your project, you are refactoring, and refactoring someone else's component is often slower than generating a fresh one.
Which to reach for
Prompts win when you are exploring, when your stack is unusual, when you want several variants of the same section to compare, or when the thing you need is close to but not exactly what exists.
Components win when you know precisely what you want, when the surface is fiddly enough that generation is unreliable (complex tables, date pickers, virtualised lists), or when you need to read the code before it ships.
Both, at different moments, is the honest answer for most projects. Prompt the layout, take the component for the gnarly widget.
The question to ask a library
Not "prompts or components?" but "which of these am I being sold, and can I have the other when I need it?"
A library of 1,000 items is a different product depending on the answer. Both are legitimate. Confusing them is what leads to a purchase that does not fit the work.
Ours is prompt-first: more than 1,700 prompts, of which roughly 1,000 also carry the finished source code, so the same entry can serve either mode. Source code comes with the annual and lifetime plans; the quarterly plan is prompts only. That layering is deliberate and stated up front rather than discovered later.
One thing neither solves
Neither prompts nor components decide what your page should say. The generated hero will be beautiful and the copy will be placeholder. Every library quietly assumes you bring that part.
If you do not, the fastest route to a page that reads as generic is to accept the model's invented headline. It is worth ten minutes of your own writing.
Sixty of our prompts are open to everyone — full pages, sections, app screens, animated backgrounds. Run one through your builder and see which mode you actually want before you decide.