I’m now the OpenAI Codex Ambassador for London 🇬🇧
I am loving engineering with Codex & GPT-5.5
If you’re already using Codex or coding agents, building AI agents, or working on ambitious AI products in London
I’d love to connect & see you at the next event!
Andy T retweeted
Roughly 24 hours ago we concluded the Berlin @OpenAIDevs DevDay Hackathon!
Over 245 people joined us on two floors in the @circuit_ber startup house.
Within 8 hours participants had the chance to build amazing projects, no matter if technical or non technical.
In the end, 73 projects were submitted across the Developer and Founder/GTM tracks.
3 teams per track won a lot of API & Codex credits. As well as 10 tickets to the DevDay Berlin tomorrow!
For me it honestly was a huge amount of stress and hassle!
I straight up ran around the location from 8 am to 7pm and tried to put out as many fires as possible.
We had a lot of typical hackathon things go wrong as usual haha
Wifi was spotty and going down, credit distribution was flaky but in the end we managed to persevere.
I was lucky to have an amazing team of supporters on location that was pitching in and honestly handling so much work that I could've never done without them.
This day showed how important real life interaction still is and how much I personally still can learn about making this experience enjoyable for everyone.
Thank you to the brilliant ambassadors who were there:
@DFinsterwalder (from Göppingen)
@mrlesk (from Vienna)
@laraavci_ (from Munich)
@janpfrenger (from Frankfurt)
@artur_wala (from Warsaw)
as well as the wonderful extra supporters:
@_Ms_Stacy, Eleni Koukidou, Jérémy Grandillon
and tons of other people who helped out on the event
Special thank you also to the absolute legendary OpenAI folks who showed up:
@paw_lean: for making this event possible in the first place and being a beam of inspiration for everyone on the event
@reach_vb: for starting this community program and also showing up at this event!
and @TilmanResch for dropping by for a few minutes and being the OpenAI GTM legend he is
And thank you to @rhiannon_io who unfortunately couldn't make it to the event but helped immensely to actually let this come together and deliver goodies for so many people from the US to Europe.
Thank you to @Qu1nn_web3, Kushal Singh and the rest of the location staff for managing the different event fires with me and making sure the whole event is well caffeinated.
And thank you to @Son_of_a_Pigeon, the best event photographer ever, for the most insane and awe-inspiring pictures from the day.
To even greater hackathons and more insane projects
Max
PS:
Excited for the OpenAI DevDay Berlin tomorrow!
Who's building at @maxjendrall DevDay Hackathon in Berlin with @OpenAIDevs?
What are you building there? – at Poplar, London
Andy T retweeted
DevDay Community Hackathon Berlin is about to start!
Last call for anyone in Berlin tomorrow that wants to apply for the OpenAI Hackathon we are doing tomorrow
Also for non-technical founders or GTM people:
We have a separate track for you with your own prizes.
luma.com/apr7o10v?utm_source…
It's not too late! yet, at least haha
Paris DevDay community hackathon has begun! we just had a 100 people in the google meet and the chat crashed!! 😂
one of the tracks is build in public, so show some love to the participants tweeting with #parisdevdayhack
gonna send out some credits to the builders now brb 🤑
We started Mubit in Aberdeen. No network, no lab, nobody knew us. We just wanted AI systems that actually work.
Today we work with some of the best companies and engineers in the world.
And the thing we kept seeing: you and your competitor run the same AI. It should be yours. 🧵
Comment "SAPLING" in the next 48 hours for $100 free credits. Enterprises get the first month free.
at the start of the year I played ping pong with a robot in VR, I cant find the guys contact details anywhere. (this was pre dots) anyone know anyone who owns a robot arm like this in London? – at City of London, London
does anyone in London have a robot arm? one of the big ones? that can pick up things and make coffee perhaps? like this 👇
grok.com/imagine/post/dacb16…
Andy T retweeted
Replying to @Andy_AJT
anyone who sees this and wants to sign up (if you drop me a DM that you signed up via andy, i can still let you in):
luma.com/apr7o10v?utm_source…
France, time to get building! Boris' Hackathon starts tomorrow, get cooking & go meet some cracked people at the Finale in PARIS! – at City of London, London
DevDay is coming to Paris 🇫🇷
24–25 Oct: online hackathon
26 Oct: in-person finale
28 Oct: @OpenAI DevDay Exchange (top winners only😎🤝)
3 tracks: Impact. Hardware. Build in public.
Kickoff: Sat 24 Oct, 10am Paris time.
Comment if you’re coming! DM if you want to be a judge 👀
If you are anywhere near Berlin you can not miss this!! Max has got some epic stuff planned and it is gonna rock your socks off! – at City of London, London
Last call for anyone in Berlin tomorrow that wants to apply for the OpenAI Hackathon we are doing tomorrow
Also for non-technical founders or GTM people:
We have a separate track for you with your own prizes.
luma.com/apr7o10v?utm_source…
It's not too late! yet, at least haha
UPDATE: 400+ signups in less than 24 hours... I just sent the Newsletter out, who's signed up already?
xitter.cf/Andy_AJT/status/211290… – at Islington, London
DevDay is coming to London 🇬🇧
We're throwing a HUGE hackathon, 1st November with amazing prizes + special guests + SWAG!
ChatGPT Pro Subscriptions + Codex Credits + OpenAI API Credits + Tickets to DDE London 🟣
This is NOT to be missed - the team have been planning for months and this is going be epic!
last few Codex London events had 1000+ registrations so sign up fast
More info coming soon...
Sign up now 👇
yooo @Eurostar one return ticket London plzz
LONDON WAKE UP ANDY IS BACK!! BRINGING A DEVDAY COMMUNITY HACK 💫
DevDay is coming to London 🇬🇧
We're throwing a HUGE hackathon, 1st November with amazing prizes + special guests + SWAG!
ChatGPT Pro Subscriptions + Codex Credits + OpenAI API Credits + Tickets to DDE London 🟣
This is NOT to be missed - the team have been planning for months and this is going be epic!
last few Codex London events had 1000+ registrations so sign up fast
More info coming soon...
Sign up now 👇
Okayyyy not even sent out the newsletter and already got 200+ sign ups!
we might need a bigger boat! 🛥️ – at Islington, London
DevDay is coming to London 🇬🇧
We're throwing a HUGE hackathon, 1st November with amazing prizes + special guests + SWAG!
ChatGPT Pro Subscriptions + Codex Credits + OpenAI API Credits + Tickets to DDE London 🟣
This is NOT to be missed - the team have been planning for months and this is going be epic!
last few Codex London events had 1000+ registrations so sign up fast
More info coming soon...
Sign up now 👇
Andy T retweeted
Over the next few weeks I’ll be at several developer community events in 🇩🇪 Berlin, 🇫🇷 Paris, 🇬🇧 London and 🇫🇮 Helsinki. I can’t wait to meet as many more of our community as possible 😁
Andy T retweeted
LFGGGG
DevDay is coming to London 🇬🇧
We're throwing a HUGE hackathon, 1st November with amazing prizes + special guests + SWAG!
ChatGPT Pro Subscriptions + Codex Credits + OpenAI API Credits + Tickets to DDE London 🟣
This is NOT to be missed - the team have been planning for months and this is going be epic!
last few Codex London events had 1000+ registrations so sign up fast
More info coming soon...
Sign up now 👇
Andy T retweeted
Replying to @Andy_AJT
@Andy_AJT made a super cool visual
Saturday 10am - 6pm in Berlin!
luma.com/apr7o10v?utm_source…
DevDay is coming to London 🇬🇧
We're throwing a HUGE hackathon, 1st November with amazing prizes + special guests + SWAG!
ChatGPT Pro Subscriptions + Codex Credits + OpenAI API Credits + Tickets to DDE London 🟣
This is NOT to be missed - the team have been planning for months and this is going be epic!
last few Codex London events had 1000+ registrations so sign up fast
More info coming soon...
Sign up now 👇 – at Islington, London


















