Scope it yourself.
Prices for custom development. Pick what you need. The number updates as you go, and the same number is what I quote.
Typical range
$6,150 to $8,350
about 4 weeks
$3,630 up front, the rest on delivery
Send this estimate to meEstimates assume a clear scope and either existing designs or a simple layout I produce. Anything larger gets a written quote within 24 hours.
Or start from a package
RAG chatbot on your documents
A support or internal bot that answers from your documents, with the source shown.
$3,500 to $5,500
$2,800 to $4,400 · partner
2 to 3 weeks
Automation workflow
One business process wired end to end across the tools you already use, with LLM steps where they help.
$2,000 to $4,000
$1,600 to $3,200 · partner
1 to 2 weeks
Custom LLM integration
Claude or another model inside your existing product, with cost limits and a fallback.
from $2,800
from $2,200 · partner
Scoped within 24 hours
Three things in writing for custom development
- Fixed price
- Scoped and priced before any code. Half up front, half on delivery. No hourly billing.
- Fixed date
- A staging URL in the first week and a written status every working day. Overruns are my cost.
- Your code
- Repository, design files and accounts move to you on launch day. Thirty days of fixes included.
Have something to build?
Send me two paragraphs about it. I reply within 24 hours, Seoul time, with a price and a date.
Email me