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AI · March 7, 2026

ContextFlow AI

I'm 15 and built ContextFlow AI — paste any YouTube URL and it generates viral Reddit posts, X threads, and LinkedIn content in seconds. Tech stack: React 19, FastAPI, Supabase, Groq (Llama 3.3 70B), Stripe. Free tier available — 5 generations/day. Would love feedback from HN.

ContextFlow AI launched on March 7, 2026 with 6 votes, #1,631 of 23,380 launches that month and more than 75% of that year's launches.

What it does

Web site created using create-react-app ContextFlow AI extracts the transcript from any YouTube video and uses AI to generate platform-native viral content — Reddit posts, X threads, and LinkedIn authority posts — in seconds. No manual copy-paste. No prompt engineering. Just paste a URL and get scroll-stopping content. Free tier: 5 generations/day Pro: $14.99/month Business: $99.99/year

ContextFlow AI turns one video or transcript into a full week of platform-native content for Reddit, X, LinkedIn, and video workflows.

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