London
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62 Builders
London AI Hackathon

Hosts: Attio & {Tech: Europe}
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1st, 2nd, 3rd
2nd Place:
EchoChamber
"EchoChamber is Clubhouse-style platform where users create live voice rooms populated by AI avatars of real startup experts (like Paul Graham, Elena Verna, and Brian Chesky), each grounded in the expert's actual published content, who discuss the user's startup problems with each other and the user — debating, disagreeing, and offering personalized advice in real-time voice. Users can pick which experts join, control how heated the debate gets, and use a ""DeepWiki"" feature to index any new expert on demand by scraping their public content."
Team:
Zakee Abdi
Demo:
3rd Place:
Flash
"Flash joins your Google Meet as an active AI participant. It listens passively (and watches shared screens), turning the conversation into a live graph on a web canvas. Say ""Hey Flash"" and it wakes up, answers with voice, and draws diagrams grounded in the live discussion + prep docs. When the meeting ends it writes the summary and files it into your dashboard history — one context, reused live and after. Built with Superlinked (semantic retrieval), n8n + Gemini (the brain), and SLNG (voice)."
Team:
Vlad, Mykyta, Liza, Rohith & Stas
Demo:



