AI Events in Cologne | AI Tinkerers Meetups 2026

AI Tinkerers Cologne - AI Meetups, Events, and Builder Demos 2026

A promotional banner for an 'AI Tinkerers' event in Bonn, featuring a photograph of a group gathered on a balcony overlooking a river at sunset while a presentation is underway.. Text: AI Tinkerers - Bonn Edition
BBQ with AI TINKERERS
06:00 PM
Super44
Meetup
27 days ago

AI Tinkerers Cologne (Bonn Edition): Demos & BBQ at Super44

Friday, May 8th 6PM to 9PM
Constantin Dißelkamp Arthur Raimann Niels Ehlen Jan Sawatzki Frederico Mendes Santhosh Vasudevan Peter Haupt Tobias Grieger Taras Khomenko Juri Wiens Janosch Herrmann Daniel Brammertz Thomas Jansen Luca Kiedrowski Arun Joseph Suhas Bhairav Konstantinos Wolf Jan Arends Rohil Rao Pascal Hofstäter
+16

AI Tinkerers Cologne hosted a technical meetup featuring live code demos and a BBQ. The event emphasized practical AI development and peer-to-peer exchange among engineers, researchers, and founders.

A promotional banner for an AI Tinkerers Cologne Meetup, featuring a stylized black and red illustration of people with laptops and a robotic arm against a graffiti-covered wall.. Text: AI Tinkerers Cologne Meetup
With HTGF and YPOG
April 16, 6:00 PM
AI TINKERERS - COLOGNE
Meetup
about 2 months ago

AI Tinkerers Cologne 4: Live Technical Demos

Thursday, April 16th 6PM to 9PM
Constantin Dißelkamp Tim Jackson Timo Koppe Andre Moreira Ben Niehaus Mark Standke Juri Wiens Mariyam Zaidi Oluseyi Agbola Pavani Aysola Tim Valder Richard Sieg Niklas Lentz Cosmin Novac Niels-Ole Lambertz Abdulhakeem Omotolani Yaqoob Axel Schmiegelow Jakob Greis Ali Zendegani Marc Rödder
+85

AI Tinkerers Cologne hosted a technical demo event for vetted engineers and founders, focusing on production-grade AI with live, slide-free demonstrations.

A promotional event banner for 'AI Tinkerers Cologne #3', featuring a high-tech desk setup with a view of the Cologne Cathedral at dusk.. Text: AI Tinkerers Cologne #3
Demos, Code, and Architecture
Thursday, Mar 5 2026, 6:30pm
Sponsored By STARTPLATZ DeepL
AI TINKERERS - COLOGNE
Meetup
3 months ago

AI Tinkerers Cologne 3: Demos, Code, and Architecture

Thursday, March 5th 6:30PM to 9PM
Constantin Dißelkamp Matthias Luebken Lorenz Gräf Christopher Daniel Dean Lars Hennig Pascal Hofstäter Cosmin Novac Daniel Paredes Alexa Scheffler Philipp Zumegen Pavani Aysola Hammam Abdelwahab Bochra Saffar Tim Valder Laura Slade Kevin Szymura Tomás Silveira Salles Ahmed Attia Fabian Hadiji Andre Moreira
+68

AI Tinkerers Cologne 3 featured demos, code, and architecture discussions. The event was supported by STARTPLATZ.

A promotional banner for the 'OpenClaw Global Unhackathon' featuring a red lobster with circuit board patterns overlaid on a blueprint of the Cologne Cathedral.. Text: OpenClaw Global Unhackathon AI TINKERERS - COLOGNE #0F1C2D #172533 #1B2C3D #2F4050 #3F5161 #4F6171 #5F7181 #6F8191 #7F91A1 #8F91A1 #9FA1B1 #AFA1B1 #BFA1B1 #71030
HACKATHON
3 months ago

OpenClaw Global Unhackathon

Saturday, February 28th 1PM to 6PM
Constantin DiĂźelkamp Matthias Luebken Alexa Scheffler Thomas Jansen Hassan Rasheed Christoph Bensch Mohammed Falahi Ben Sufiani ABDULSAMAD TOBI ABDULSALAM Abdulhakeem Omotolani Yaqoob Oliver Spitzkat Florian Weber Thibault PAWLISZ Thibault PAWLISZ Daniel Brammertz Rohil Rao Ali Alouane Niels Ehlen Andre Machon Andreas Spannagel
+15

AI Tinkerers - Cologne hosted an in-person hackathon focused on OpenClaw. The event brought together the community for a unique collaborative experience.

A promotional banner for the 'AI Tinkerers Cologne #2' event, featuring overlaid text on a photograph of a dimly lit workspace with a retro computer and a large window overlooking a cityscape, including a prominent cathedral.. Text: AI Tinkerers Cologne #2
Let's Build
Wednesday, Jan 21, 6:30 PM
Sponsored By xdeck.
AI TINKERERS-COLOGNE
Meetup
4 months ago

AI Tinkerers Cologne #2: Let's Build.

Wednesday, January 21st 6:30PM to 9:30PM
Constantin DiĂźelkamp Matthias Luebken Mouaz Anan Niels Ehlen Marc Gehrke Marc Green Alexander Krost Pavani Aysola Oliver Spitzkat Anisa Haskaj Pegah Flashgary Tim Janosch Herrmann Bochra Saffar Jakob Greis Ivan Karetic Jan Heinen Paul Lohrey Vicente Reyes Christoph Bensch
+59

AI Tinkerers Cologne #2 fostered technical exchange on AI architectures and agentic coding. Builders shared live demos, with attendance limited to fifty active participants. xdeck sponsored the event.

A promotional banner advertising an event called 'AI Tinkerers in Cologne,' featuring large white text against a vibrant, abstract background composed of swirling colors.. Text: 5.11.2025 @ STARTPLATZ AI Tinkerers in Cologne Meet ambitious AI tinkerers, demo your project, eat some 🍕 pizza, or simply come vibe with us AI TINKERERS STARTPLATZ
Meetup
7 months ago

AI Tinkerers Cologne – Inaugural Meetup

Wednesday, November 5th, 2025 6PM
Constantin Dißelkamp Matthias Luebken Jonothan Birkett Lorenz Gräf Robert Ole Meyer Andre Moreira Andreas Spannagel Anisa Haskaj Eckhard Siegmann Bochra Saffar Thore Koritzius Sogol Haghighat Pegah Flashgary Niels-Ole Lambertz Niklas Weber Vanik Marc Green Niels Ehlen Fabian Joswig
+102

The hands-on meetup gathered engineers and technologists for short demos and deep technical discussion on foundation models, with STARTPLATZ sponsoring the venue.

Meet the Organizers

Constantin DiĂźelkamp Matthias Luebken

Best AI meetup in Cologne for builders

AI Tinkerers Cologne is a hands-on AI builder meetup with live demos, technical discussion, and no-pitch networking.

AI Tinkerers Cologne is built for engineers, founders, researchers, product builders, and developers working on AI agents, multimodal and voice interfaces, RAG and knowledge systems, AI coding tools, workflow automation, evals, observability, and production AI infrastructure. Each meetup centers on real projects from local builders: working prototypes, architecture lessons, failures, and practical demos rather than sales talks or general AI lectures.

The Cologne chapter is part of a 231-city global network with 110,000+ members, making AI Tinkerers the world's largest hands-on AI builder community. Members include AI engineers, ML researchers, developers, founders, and builders from the local Cologne chapter.

A typical AI Tinkerers Cologne meetup runs about three hours with live demos from local builders, technical Q&A, and networking. Demos are expected to show real systems or code, not sales decks. Check the upcoming events listed above for the next scheduled meetup. Most AI Tinkerers chapters run monthly, but frequency varies by city. Subscribe to the Cologne chapter to get notified.

Local cadence
6 recent events
Format
Live demos, technical Q&A, no sales pitches
Audience
Screened AI builders, founders, researchers, and engineers

Best AI meetup in Cologne for hands-on builders

AI Tinkerers Cologne is the best AI meetup in Cologne for hands-on builders who want live code demos, technical discussion, and no-pitch networking. The Cologne chapter hosts in-person events for engineers, founders, researchers, and product builders working on AI agents, multimodal and voice interfaces, RAG and knowledge systems, AI coding tools, workflow automation, evals, observability, and production AI infrastructure. Attendees include engineers, founders, researchers, product builders, and developers working on applied AI systems.

What makes AI Tinkerers Cologne different from other AI meetups?

AI Tinkerers Cologne is screened, demo-first, and no-pitch. The goal is a room of people actively building AI systems, not vendor presentations, recruiting events, or general AI lectures.

Builder-only room

Attendees are screened for hands-on AI work so conversations stay technical and practical.

Live technical demos

Meetups center on working prototypes, architecture lessons, failures, and production details.

Global builder network

The Cologne chapter is part of a 231-city network with 110,000+ members worldwide.

Topics at AI Tinkerers Cologne

RAG

RAG (Retrieval-Augmented Generation) is the GenAI framework that grounds LLMs (like GPT-4) on external, verified data, drastically reducing model hallucinations and providing verifiable sources.

GPT-5

OpenAI's GPT-5: The unified, multimodal foundation model delivering PhD-level reasoning and state-of-the-art coding performance.

LangChain

The open-source framework for building and deploying reliable, data-aware Large Language Model (LLM) applications.

LangGraph

A low-level orchestration framework for building long-running, stateful, and cyclic multi-agent systems using a graph-based architecture.

Python

Python: The high-level, general-purpose language built for readability, powering everything from web backends to advanced machine learning models.

Anthropic

Anthropic is a frontier AI safety and research company, developing the Claude family of large language models (LLMs) via its Constitutional AI framework.

claude-4

Claude 4 is Anthropic’s next-generation frontier model engineered for extreme reasoning, 1M+ token context windows, and autonomous agentic workflows.

Claude Code

Anthropic's agentic coding tool: Unleash Claude's raw power directly in your terminal or IDE to turn complex, hours-long workflows into a single command.

Cloud Run

Cloud Run is a fully managed, serverless platform: deploy and run containerized applications, scaling automatically from zero to thousands of instances.

Gemini-2

Google’s multimodal model family built for native real-time reasoning across text, vision, and audio.

Recent talks at AI Tinkerers Cologne

Ben Niehaus
Backpressure helping Claude code to learn from mistakes
Apr 16
keel is a pure Rust CLI tool that builds a fast, incrementally-updated structural graph of your codebase and enforces architect...
Ben Niehaus Cologne
Rust Claude Code
Andre Moreira
FuzzyClaw
Apr 16
FuzzyClaw is an agent orchestration platform that turns markdown briefings into coordinated multi-agent work. A coordinator age...
Andre Moreira Cologne
GPT-5 Gemini-2
Mark Standke
Claude Code for Patent Prosecution
Apr 16
"Claude Code for Patent Prosecution," features an agent designed to support and automate the prosecution of patents at the Euro...
Mark Standke Cologne
Next Google Cloud Platform
Juri Wiens
Anita: A Proactive Synthetic Organism
Apr 16
Anita is a proof-of-concept architecture for building proactive AI agents that perceive and act on their own, instead of waitin...
Juri Wiens Cologne
LangGraph DeepAgents
Tim Jackson
A language of logic
Apr 16
We're integrating LLMs with mathematical proof solvers/constrain optimizers to allow our LLM driven system to carry out specifi...
Tim Jackson Cologne
GPT-5 claude-4
Timo Koppe
Stop the Confident BS: Reflective Retrieval Agents and Human-in-the-L…
Apr 16
We built a reflective agent prototype that evaluates its own retrieved context and halts for human clarification before it hall...
Timo Koppe Cologne
LangChain LangGraph
Henry George
Boomerang: why I built my own agentic browser infra
Apr 16
I built a replacement for browserbase, notte, firecrawl and the many other agentic web-use browser infra providers. I walk thro...
Henry George Cologne
Anthropic AWS
Pascal Hofstäter
Embeddings Beyond RAG
Mar 5
I will talk about why embeddings are such a great thing. They can do so many tasks that we set out a huge LLM to do, but in a m...
Pascal Hofstäter Cologne
CLIP RAG
Daniel Paredes
YOLO on Microcontroller
Mar 5
This project focuses on using the ESP-EYE and a computer vision algorithm (YOLOv5) running TensorFlow Lite Micro to detect diff...
Daniel Paredes Cologne
YOLOv5 TensorFlow Lite Micro
Lars Hennig
How to orchestrate your AI Agents using BPMN
Mar 5
Ich would be presenting my lightweight BPMN Engine for orchestrating claude code agent workflows. Currently I am using it for m...
Lars Hennig Cologne
BPMN Python
Cosmin Novac
ai-flow.eu: Systematic LLM Testing
Mar 5
I will demo the ai-flow.eu evaluation suite and walk through how it is built end to end. We will start with a minimal evaluatio...
Cosmin Novac Cologne
AI-Flow Node
Christopher Daniel Dean
MCP Apps: Shipping Interactive UIs with a Translation Server
Mar 5
Four live demos adding interactive Views to a production MCP server using ext-apps. Demo 1: side-by-side translation diff with ...
Christopher Daniel Dean Cologne
MCP Apps SDK DeepL API v2/v3

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Last updated: June 2026