Answer a few guided questions. Get a structured prompt that actually works — in any AI. Plus honest recommendations on which model to use.
Join the Waitlist →✨ Free. No signup. Works with ChatGPT, Claude, Gemini, and more.
Get early access, founding pricing ($79 lifetime), and help shape the product.
No spam. Just a launch notification.
How It Works
Choose from 6 guided paths — Create, Research, Build, Automate, Extract, or Communicate.
Spello adapts to your answers with branching logic. No two prompts are alike.
Get a structured, model-agnostic prompt. We even recommend which AI to paste it into.
Product Preview
6 guided paths for every AI task.
Answer naturally. We build the structure.
Copy your prompt. Know which AI to use.
Why Spello
You answer questions. We build the prompt. No prompt engineering knowledge required.
Works with ChatGPT, Claude, Gemini, Llama, and more. Structured and model-agnostic.
We tell you which model to use. Honest advice — stop wasting premium credits on simple tasks.
Save your best prompts as reusable presets. Re-run with tweaked answers. Never start from scratch.
Branching logic adapts to your answers. Two people using the same path get different prompts.
Runs in your browser. Nothing sent to any server. Your prompts stay yours.
Comparison
| Spello | AIPRM | PromptPerfect | |
|---|---|---|---|
| Price | Free / $14/mo | $20–$999/mo | $10/mo |
| Approach | Guided questions | Template library | Optimize existing |
| Model Guidance | ✅ Built-in | ❌ None | Limited |
| Save Presets | ✅ Free tier | Pro only | ❌ No |
| Signup Required | None | Chrome + ChatGPT | Account required |
| Works With | Any AI | ChatGPT only | Limited |
Pricing
No signup required
Launch price: $9/mo for first 200
One-time — first 100 only
FAQ
A guided prompt builder that helps you create better AI prompts by answering a few smart questions. No prompt engineering knowledge required. We also recommend which AI model to use for each prompt.
Yes. Generate up to 10 prompts a day with no signup. Upgrade to Pro ($14/mo) for unlimited prompts and saved presets.
All of them. ChatGPT, Claude, Gemini, Llama, Mistral — the prompts are structured and model-agnostic. We even tell you which model fits your task best.
Every prompt includes a model recommendation based on complexity. We tell you whether to use a lightweight model or your best one — so you stop wasting premium credits on simple tasks.
AIPRM gives you 5,000+ templates to search through. Spello guides you through questions and builds a custom prompt from scratch. No searching, no browsing — just answer and copy. And we work with every AI, not just ChatGPT.
The first 100 Pro users get lifetime access for a one-time $79 payment. All future features included. Once they're gone, they're gone.