THAVAGEThe AI Software Development Estimator With A Lisp
Fast first pass

DESCRIBE THE SOFTWARE
YOU WANT TO BUILD

Get a fast first-pass cost estimate. Start simple, then add more detail only if you want a tighter number.

Try one
Start with the simplest version of your idea. You can add extra detail after the first pass.
PLANNING A BUILD
Paste a rough brief or bullet list. Specific beats polished.
⌘+Enter to run
Scope limits: Methodology and FAQ. We may keep anonymous estimate records to improve results. Uploaded files are analyzed for scope and not stored.
Trust the process
Methodology
See the rate table, scope rules, confidence bands, and what Thavage intentionally excludes.
Example Reports
Read the worked example reports before you trust the number on your own project.
FAQ
Get direct answers on accuracy, enterprise scope, privacy, benchmarks, and how to use the result.
This tool's Thavage estimate
$286,000
What a traditional team would likely charge to build the current Thavage product.
What a modern AI firm would likely charge: $196,000.
Actual cost: ~4,800Claude Max, API credits, Vercel, Supabase, domains, QA/browser tooling, and directory discovery infrastructure.
Refreshed Mar 17, 2026. Refreshed after tightening the first-screen methodology/privacy note to reduce reading load below the main CTA.