# GPT-6 Astra Hackathon London

- **When:** Tue, Oct 6 at 5:30 – 9:30 PM (GMT+1)
- **Where:** London, UK
- **Hosts:** [OpenAI](https://cerebralvalley.ai/u/cristinejones), [Lovable Events](https://cerebralvalley.ai/u/Lovable), [Cerebral Valley](https://cerebralvalley.ai/u/cv)
- **Format:** Hackathon (submissions due Oct 6, 2026 UTC)
- **Registration:** Open (host approval required) — https://cerebralvalley.ai/e/openai-gpt-6-astra-london
- **Page:** https://cerebralvalley.ai/e/openai-gpt-6-astra-london

GPT-6 Astra is here. Come build with it.

Join OpenAI and Lovable for an evening of building with GPT-6 Astra. This hackathon is for developers, technical founders and startup teams. Build directly with Astra and Lovable to turn an Astra-powered idea into a working app. Meet the OpenAI and Lovable team's and compete for a chance to demo onstage for a panel of judges.

**Prizes:**

1st place - $50,000 credits + DevDay Exchange London tickets  
2nd place - $25,000 credits  
3rd place - $15,000 credits  
All finalists - 1 year of ChatGPT Pro

**Rules:**

Show us what you can ship with GPT-6 Astra's and Lovable's new capabilities, whether that’s something new or a feature for your existing startup. All work must be built during the hackathon and submitted as a public open source repository - existing product code does not qualify.

Applications reviewed on a rolling basis & space is limited. Maximum teams of four. All attendees must submit an application to be approved.

*Please note: This event is fully in-person in London. Capacity is limited. Teams may have up to four members. All attendees must apply and be approved. Submitting an application does not guarantee a seat; approved applicants must confirm their attendance.*

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