AI Email Copilot Cuts Response Time by 68% for a B2B SaaS Team

AI Email Copilot Cuts Response Time by 68% for a B2B SaaS Team

SpeedMVPs built a Gmail-integrated AI email copilot using GPT-4o with RAG over the team's HubSpot CRM and historical email corpus, surfacing deal context and suggested replies inline. The product shipped as a Chrome extension backed by a Next.js API layer on Vercel, with pgvector on Supabase for thread-level semantic search and a fine-tuned tone classifier to match each rep's writing style.

Productivity SaaS
Industry
3 Weeks
Timeline

Project Overview

1

What We Built

  • SpeedMVPs built a Gmail-integrated AI email copilot using GPT-4o with RAG over the team's HubSpot CRM and historical email corpus, surfacing deal context and suggested replies inline. The product shipped as a Chrome extension backed by a Next.js API layer on Vercel, with pgvector on Supabase for thread-level semantic search and a fine-tuned tone classifier to match each rep's writing style.

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