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OpenAI London GPT-6 Astra hackathon offers $90K in credits

OpenAI and Lovable host a one-evening in-person London hackathon to build apps with GPT-6 Astra, with $50,000 in credits for the winner and $90,000 total across prizes.

Suraj Sharma
@suraj_sharma14Archived 2026.09.28Originally posted 2026.09.27
Suraj Sharma @suraj_sharma14Originally posted 2026.09.27
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OpenAI is giving away $90K in credits to people who can ship fast. GPT-6 Astra Hackathon, London Hosted by OpenAI + Lovable One evening. Build an Astra-powered app from scratch. Demo it onstage. Prizes: 🥇 $50,000 credits + DevDay Exchange London tickets 🥈 $25,000 credits 🥉 $15,000 credits 🎁 All finalists get 1 year of ChatGPT Pro The rules: → Build with GPT-6 Astra + Lovable → Everything built during the event → Submit as a public open-source repo → Teams of up to 4 📅 Tue, Oct 6 · 5:30 to 9:30 PM (BST) 📍 London, in person only Applications are reviewed as they come in and space is limited. Waiting means losing your spot. Apply 👇 http://cerebralvalley.ai/e/openai-gpt-6-astra-london Bookmark this + tag the 3 people you'd build with.

x.com/suraj_sharma14/status/2104035800337821840Archived 2026.09.28 10:03