Enter your project scope
Estimated number of features and overall complexity (simple, moderate, complex).
CURSOR / GITHUB COPILOT / REPLIT / LOVABLE COMPARISONS
Build Budget AI
Enter your project scope and a platform's usage limits — get an estimate of how many AI interactions the project will need, compared against the monthly limit, with a feasibility verdict and reasoning.
- Transparent, weighted feasibility estimate
- Reasoning shown per input, plus recommendations
- All numbers stay in your browser
Enter your project scope and platform limits, then click Check feasibility to see whether it realistically fits.
Why this estimate
Recommendations
How it works
Enter the platform's usage limits
Its monthly message/credit limit and context window tier — smaller context windows need more back-and-forth per feature.
Get an estimated interaction count and feasibility verdict
A transparent formula estimates how many AI interactions the project will need and compares it against the monthly limit, with reasoning and recommendations.
Continue learning: AI coding tool limitations compared · Which AI coding tool is best for MVP development?
Frequently asked questions
Where does the "interactions per feature" baseline come from?
It's a general estimate covering initial implementation, iteration, and fixes for a typical feature — a reasonable planning assumption, not a measurement of any specific platform's exact usage-counting rules, which vary and change over time.
Does this know the exact limits of Cursor, Copilot, Replit, or Lovable?
No — you enter the platform's current limit yourself (check the vendor's pricing page for the exact number), since usage limits and how they're counted change frequently across vendors.
Why does a smaller context window increase the estimate?
Tools with a smaller context window need more of the conversation re-explained on each request to re-establish project state, which tends to increase the total number of interactions needed to reach the same result.
Is this the same as AI Coding ROI?
No — AI Coding ROI calculates dollar payback from subscription cost and time saved. Build Budget AI checks whether a specific project scope fits within a platform's usage limits.
How We Compare
| Feature | MVPHub | Vendor usage/pricing pages | Trial-and-error mid-project |
|---|---|---|---|
| Estimates interactions from your actual scope | Included | Not included | Not included |
| Transparent formula with reasoning shown | Included | Not included | Not included |
| Concrete recommendations if over budget | Included | Not included | Limited |
| Reflects a platform's exact live usage counting | Not included | Included | Included |
Vendor pricing pages describe limits in isolation, without connecting them to your specific project scope; discovering a mismatch mid-project through trial and error costs real time. MVPHub estimates fit upfront as a planning aid before you commit a month's usage budget.
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