Overview
GPT-4 powered copywriting tool with brand voice training, multi-format export, and team collaboration. Built for a Series A startup.
Full Case Study
The Brief
A Series A content startup needed an AI copywriting tool with brand voice training to replace generic AI outputs.
What We Built
Brand voice onboarding flow
GPT-4 copy generation with custom system prompts
Multi-format export (LinkedIn, email, ads)
Team workspaces
The Result
3 marketing agencies adopted it within the first week.
Project Details
Delivered In
Tech Stack
Next.js, OpenAI GPT-4, Vercel AI SDK, PlanetScale
Key Result
Available now — 2 slots left this month
Replies in 48 hours
You own all the code
Average ship in 7 days
5.0 — Rated by 50+ founders
