
What we’re about
Welcome to AI Builders, a self-organizing community of Gen-AI pioneers passionate about innovation, collaboration, and learning.
With over 3,000 members and yearly 50+ physical events, we’re the fastest-growing nonprofit Gen-AI developer network in Europe. Our meetups bring together software engineers, tech founders, ML/data enthusiasts, and AI consultants to exchange ideas, demo groundbreaking projects, and tackle real-world challenges.
Whether you’re building your first AI app or scaling cutting-edge solutions, you’ll find technical minds, insightful talks, and endless inspiration here.
Hungry to learn (and for 🍕)?
Join us and help shape the AI-powered future—one meetup at a time!
Upcoming events
5

WTC 40 Hour Hackathon - AI Builders
World Trade Center Amsterdam, Strawinskylaan 1, 1077 XW, Amsterdam, NL🎟️ Get Tickets on Lu.ma 🎟️
Join us for a very special charity event with our partner at the World Trade Center Amsterdam!
All proceeds go to Sheltersuit Foundation to support people without homes
This year, WTC Amsterdam celebrates 40 years, so we're going big with a 40-hour hackathon as part of that. 40 hours of building, creating, and pushing what's possible with AI.
:: FOR WHO ::
✅ Builders, dreamers, doers — anyone who loves playing with Generative AI.
✅ Designers, Devs, Product people, Data nerds, ML tinkerers, Founders.
⚠️ Good vibes and curiosity required.
:: THEME ::
How can AI augment our NI (Natural Intelligence)?
This hackathon is all about using AI to make us more human, not less.
Think tools that help us learn better, connect deeper, create together.
Some sparks to get your mind going:
• AI agents that foster real-time collaboration
• Tools that boost focus and flow instead of distraction
• AI co-pilots for learning, coaching, or mental clarity
• Creative interfaces that bring people together, not apart
No limits. Bring your weird, your bold, your playful.
:: FORMAT ::
🚀 Form your team (up to 4 people) or come solo!
💻 Bring your own laptop
⏳ Build something beautiful in 40 hours
🏆 Prizes for the most inspiring projects
:: AGENDA ::
Wednesday November 19th
• 9:00 — Doors open, registration, and kickoff at the Celebrate Stage
• 9:15 — Hackathon officially begins
• 17:00 — A brief update from the hackathon at the Ignite Stage
• 22:00 — Doors officially close but you may stay as long as you want, however any exits after this point are final
Thursday November 20th
• 09:15 — A brief update from the hackathon at the Ignite Stage
• 16:00 — Hackathon finale at the Transform Stage
Find more details on the event here
:: FAQ ::
• Do I need to be technical?
Not strictly. To enjoy it more, we recommend chatting with AI about things like: LLMs, multimodal models, RAG, chaining, structured outputs, function calling, and AI agents.
• Who’s hosting this?
The hackathon is organized by AI Builders in partnership with World Trade Center Amsterdam. It's part of 40hrs - Welcome to Change, a festival celebrating WTC's 40th anniversary with 40 hours of inspiration and innovation across finance, impact and tech. All proceeds of the event go to Sheltersuit Foundation.
• Will there be prizes?
Yes. Not saying what though. It’s part of the fun.
• Can I come alone?
Absolutely. Many teams form on the day. Just bring your curiosity.🎟️ Get Tickets on Lu.ma 🎟️
2 attendees
AI Builders London Old St. - Nov 20th
Beyond, 207 Old St, London EC1V 9NR, London, GB🎟️ Get tickets: https://lu.ma/ai-builders 🎟️
☝️This is a free meetup however a Luma ticket is required!Join our meetup for AI engineers & founders!
We share the latest insights about: AI dev tools, Agent frameworks, RAG pipelines, automation hacks, Cursor/Claude code hacks, and new gen-AI models.
**:: FOR WHO ::**
✅ Anyone actively building with Generative AI
✅ Devs, Product peeps, Data lovers, ML engineers, Founders
⚠️Technical LLM knowledge required!*
:: FORMAT ::- 💻⚡️ Speed Demos (10 min)
Builders share real-world AI solutions and how it's built. Including code, prompts & architecture examples! - 🎤 🦄 Pioneer Talks (20 min)
Inspiring talk/demo from emerging Gen-AI leaders from Europe or Silicon Valley - 🤝🍕🍻 Informal Vibes
Lots of time to network with other builders over some yummy pizza & drinks.
**:: AGENDA ::**
17:30 🤝 Walk-in
18:00 🍕 Pizza (be early!)18:30 🎤 Pioneer Speaker
19:00 ---- 💬 BREAK TIME -----
19:30 💻 Demo (TBA)
19.45 💻 Demo (TBA)20.00 🍻 Drinks
21.00 End
:: FAQ ::
• What is AI Builders?
A self-organizing nonprofit community of 3000+ AI nerds🤓. and yes.. we're building a democratic AI CEO and run on opencollective.com donations.• Can I demo, give a talk, or just help out?
Message Arthur (+31636570260) in case you want to shine✨ on stage and grow your network!• *I'm not technical. Can I come?
Yes! To fully enjoy the meetup, we recommend chatting with AI to understand these basic LLM concepts: Multimodal, Vector Embeddings, RAG, Chaining, Structured JSON Output, Function Calling, API calls, Knowledge Graphs, Reinforcement Learning, Fine-tuning, AI Agents.• Why hangout at AI Builders?
- NETWORKING: Connect with 80+ technical attendees and a larger community of 3000+ across Europe
- LATEST KNOW-HOW: We focus on innovative AI demos + slides with diagrams, code/prompt examples.
- FUN: a lot of time to chill, 10min demos, informal good vibes!
Location
We look forward to hang out with you:
207 Old St, London EC1V 9NR, United Kingdom
It's close to the Old Street Tube Station
Thanks to our friends at Beyond
![img]()
🎟️ Get tickets: https://lu.ma/ai-builders 🎟️
☝️This is a free meetup however a Luma ticket is required!8 attendees- 💻⚡️ Speed Demos (10 min)

AI Builders Amsterdam :: Pizza, Demos & Networking (paid event)
Location not specified yet🎟️ Get tickets: https://lu.ma/ai-builders 🎟️
☝️This is a paid meetup (€7 - €14), Luma ticket is required!Join our Monthly AI meetup
Practical Demos & Technical Talks about building with LLMs and any Gen-AI model.:: FOR WHO ::
✅ Anyone actively building with Generative AI
✅ Devs, Product peeps, Data lovers, ML engineers, Founders
⚠️Technical LLM knowledge required!*
:: FORMAT ::
💻 ⚡️ Speed Demos (10 min): Builders sharing real-world AI solutions including their breakthrough code, diagrams and prompts !🎤 🦄 Pioneer Talks (20 min): Inspiring talk or demo from emerging Gen-AI leaders in Europe or Silicon Valley
🤝🍕🍻 Fun Vibes: Lots of time to connect with other builders over some yummy pizza & drinks.
:: AGENDA ::
17:30 🤝 Drinks & Networking
18:00 🍕 Pizza (be early!)
18:30 🎤 🦄 Pioneer Talk (20m)
--- Break ---
19:30 💻 ⚡️ Demos (4 x 10m)
20.10 🍻 Drinks & Networking
21.00 End:: FAQ ::
• What's AI Builders?
We're a self-organizing nonprofit community of 3000+ AI Nerds in Europe. Yes.. we're building our own AI CEO.• Why do I need to pay?
1). So we know how many people will come (max capacity of the space and reduce food waste)
2). Sponsor money doesn't cover all of our costs yet.• Can I get a free ticket? Can I volunteer as co-host?
Message Cristian (+31636420602) if we still need co-hosts or request a free ticket. Co-hosts arrive 1.5h early and help set-up the event or welcome people.• *I'm not technical. Can I come?
Yes, but to enjoy the meetup, we recommend to learn about these LLM Concepts: Multimodal, Vector Embeddings, RAG, Chaining, Structured Output, Function Calling, API calls, Knowledge Graphs, Reinforcement Learning, Fine-tuning, Agents. Additionally: Computer Vision, Diffusion Models, DevOps, MLOps.• Why go to AI Meetups?
- Networking Opportunities: Connect with 80+ technical attendees and a larger community of 3000+ in Europe
- The latest practical insights: We focus on demo's and slides with diagrams, code & more.
- Good vibes: We're an informal community, so enough fun and shenanigans.
🎟️ Get tickets: https://lu.ma/ai-builders 🎟️
☝️This is a paid meetup (€7 - €14), Luma ticket is required!22 attendees
AI Builders Berlin :: Pizza, Demos & Networking (paid event)
CIC Berlin , Lohmühlenstraße 65 12435, Berlin , DE🎟️ Get Tickets on Lu.ma 🎟️
☝️This is a paid meetup (€5 - €10), Luma ticket is required!Join our Monthly AI meetup in Berlin
Practical Demos & Technical Talks about building with LLMs and any Gen-AI model.:: FOR WHO ::
✅ Anyone actively building with Generative AI
✅ Devs, Product peeps, Data lovers, ML engineers, Founders
⚠️Technical LLM knowledge required!*
:: FORMAT ::
💻 ⚡️ Speed Demos (10 min): Builders sharing real-world AI solutions including their breakthrough code, diagrams and prompts !🎤 🦄 Pioneer Talks (20 min): Inspiring talk or demo from emerging Gen-AI leaders in Europe or Silicon Valley
🤝🍕🍻 Fun Vibes: Lots of time to connect with other builders over some yummy pizza & drinks.
:: AGENDA ::
17:30 🤝 Drinks & Networking
18:00 🍕 Pizza (be early!)
18:30 🎤 🦄 Pioneer Talk (20m)
--- Break ---
19:30 💻 ⚡️ Demos (4 x 10m)
20.10 🍻 Drinks & Networking
21.00 End:: FAQ ::
• What's AI Builders?
We're a self-organizing nonprofit community of 3000+ AI Nerds in Europe. Yes.. we're building our own AI CEO.• Why do I need to pay?
1). So we know how many people will come (max capacity of the space and reduce food waste)
2). Sponsor money doesn't cover all of our costs yet.• Can I get a free ticket? Can I volunteer as co-host?
Message Bradley if we still need co-hosts or request a free ticket. Co-hosts arrive 1.5h early and help set-up the event or welcome people.• *I'm not technical. Can I come?
Yes, but to enjoy the meetup, we recommend to learn about these LLM Concepts: Multimodal, Vector Embeddings, RAG, Chaining, Structured Output, Function Calling, API calls, Knowledge Graphs, Reinforcement Learning, Fine-tuning, Agents. Additionally: Computer Vision, Diffusion Models, DevOps, MLOps.• Why go to AI Meetups?
- Networking Opportunities: Connect with 80+ technical attendees and a larger community of 3000+ in Europe
- The latest practical insights: We focus on demo's and slides with diagrams, code & more.
- Good vibes: We're an informal community, so enough fun and shenanigans.
🎟️ Get Tickets on Lu.ma 🎟️
☝️This is a paid meetup (€5 - €10), Luma ticket is required!25 attendees
Past events
42
