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◆ AI · 2024 · Solo Founder
SummarEase
AI PDF Summarizer
Next.jsLangChainOpenAINeonDBClerkFramer Motion
problem.
Long PDFs are unreadable on phones. Students and PMs want the gist + audio they can play in transit.
approach.
- ▸ Chunk + summarize pipeline (map-reduce) via LangChain.
- ▸ TTS streaming with OpenAI voices.
- ▸ Subscription gating via Stripe + Clerk.
architecture.
Upload → chunk → map-reduce summarize (LangChain)
↓
TTS stream + rich summary
↓
NeonDB · Clerk · Stripeoutcome.
- ▸ Active subscribers from launch week.
lessons.
- ▸ TTS turned a 'read later' app into a 'listen now' app — retention doubled.
8 CASE STUDIES · KEEP DIGGING