Paris
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97 Builders
Paris AI Hackathon
Hosts: Hexa & {Tech: Europe}
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1st, 2nd, 3rd
2nd Place:
Crucible
"Crucible turns a product URL into a live launch simulation. It generates 70 synthetic buyers across 7 ICPs, tests your message, watches who converts or rejects, then rewrites weak hooks and reruns the campaign in a visible learning loop. In two minutes, founders get a launch decision: who to target first, what to say, what to fix, and who to validate with real interviews."
Team:
Emile Jouannet
Demo:
3rd Place:
Lumen
Lumen is a voice-first AI lesson authoring web app with personalized voice agent. A teacher speaks or types a lesson intent, and Lumen turns it into a structured lesson canvas: learning objectives, hook, explanation, worked example, practice activity, quiz, reflection, citations, images, video, audio narration, and a saved HTML lesson that can be reopened later. The core idea is not simply “ask an LLM for text.” Lumen behaves like an AI lesson agent: it captures intent, gathers sources, extracts entities, plans the lesson, storyboards media, generates multimodal assets, streams patches into the UI, and persists the full state in PostgreSQL so teachers can review, edit, and reuse the result.
Team:
Tran Thi Hong Hanh, Ngoc Viet Tien, Chau Thi Phuong Nhi, Le Tan Nhat Linh &Lan Wy Bui
Demo:
