Umur Cubukcu @umurc
Founder at Ubicloud. Previously visiting partner @YCombinator, founder @citusdata (acq by @Microsoft), led PostgreSQL product @Azure github.com/ubicloud/ubicl… San Francisco Joined April 2009-
Tweets721
-
Followers2K
-
Following235
-
Likes2K
If you're ever curious about how inference requests work under the hood, you'll find this walk-through informative -- all the way down to microseconds.
If you're ever curious about how inference requests work under the hood, you'll find this walk-through informative -- all the way down to microseconds.
0
3
9
2K
7
Cloud infra --in this case, managed Github Actions runners-- that is not just 80% lower in cost, but also 3x faster ⚡️
Cloud infra --in this case, managed Github Actions runners-- that is not just 80% lower in cost, but also 3x faster ⚡️
How we implemented VMs with shared CPUs that burst 2x under load (now trending on HN) ⚡️ Result: Highly performant cloud instances with dedicated NVMe storage, starting at just $0.01 per hour
How we implemented VMs with shared CPUs that burst 2x under load (now trending on HN) ⚡️ Result: Highly performant cloud instances with dedicated NVMe storage, starting at just $0.01 per hour
We've built a deep research agent, using only open source models. It ended up a 400-line Python program, performing remarkably well vs. proprietary solutions (without the bells and whistles, of course). Step-by-step instructions to replicate it, and our lessons learned while…
It took less than 20 years for the former to result in the latter in Turkiye. If unchecked, I worry about it taking shorter in the US.
It took less than 20 years for the former to result in the latter in Turkiye. If unchecked, I worry about it taking shorter in the US.
The line between “if you are vocal in your opposition to the president’s policies, I shall jail you” (Mahmoud Khalil, student in the US) and “if you are the leader of the political opposition to the president, I shall jail you” (Ekrem Imamoglu, major of Istanbul) is dangerously…
Happy birthday @ycombinator! Cheers to many more wonderful years to come. @paulg @jesslivingston
Happy birthday @ycombinator! Cheers to many more wonderful years to come. @paulg @jesslivingston
Umur Cubukcu retweeted
Our co-founder Ozgun speaking at #WebSummitQatar on reasoning models and @deepseek_ai. Happy to deliver the best of open source AI models to wherever you are #opensource #Ubicloud
We love orange at @UbicloudHQ :) (and @ycombinator , too)
We love orange at @UbicloudHQ :) (and @ycombinator , too)
Happy customers running on both x86 and @Arm on @UbicloudHQ
Happy customers running on both x86 and @Arm on @UbicloudHQ
Umur Cubukcu retweeted
New 3h31m video on YouTube: "Deep Dive into LLMs like ChatGPT" This is a general audience deep dive into the Large Language Model (LLM) AI technology that powers ChatGPT and related products. It is covers the full training stack of how the models are developed, along with mental…
Remarkable.
Umur Cubukcu retweeted
The frontier in AI models is shifting from general purpose LLMs (like GPT-4o) to advanced reasoning models. Models like o1 and QwQ-32B can now “think” through the question; and they excel in math and coding benchmarks. At Ubicloud, we recently launched our inference APIs and…
And it is not just about the overblown cloud prices. Customers often tell us about 2-3x better performance after switching to Ubicloud PostgreSQL from same-sized instances at RDS Postgres. Come see for yourself :)
And it is not just about the overblown cloud prices. Customers often tell us about 2-3x better performance after switching to Ubicloud PostgreSQL from same-sized instances at RDS Postgres. Come see for yourself :)
Garry Tan @garrytan
608K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
Eren Bali @erenbali
58K Followers 2K Following Founder of @carbonhealth and @udemy (NASDAQ $UDMY). I can neither confirm nor deny whether I am working on something new.
Dalton Caldwell @daltonc
68K Followers 895 Following Founder and Partner @Standard_Cap, Partner Emeritus @ycombinator
Claire Giordano ✨ @clairegiordano
2K Followers 2K Following Work: #PostgreSQL open source community @microsoft, host #TalkingPostgres podcast 🎙️, chair talk selection @PosetteConf, love sailing in Greece ⛵️, alum Sun ☀️
Citus Data @citusdata
6K Followers 836 Following The open source extension for distributed #PostgreSQL. Part of @microsoft's @AzureCosmosDB team. GitHub ⭐️ appreciated! https://t.co/wlMTbLQZGH
Görkem Çetin @gorkemcetin
22K Followers 10K Following CEO @ BlueWave Labs, an open source/B2B SaaS incubator. Founder @ VerifyWise, an open source AI governance platform. 🇹🇷🇨🇦
Azure Database for Po... @AzureDBPostgres
3K Followers 241 Following Official account for fully-managed database service for #PostgreSQL on Microsoft @Azure. 🐘
Gustaf Alströmer @gustaf
30K Followers 5K Following general partner @ycombinator. previously product @airbnb
Take A Walk @liqiwaaa
29 Followers 952 Following
alternatif medya @alternatfmedya
11K Followers 9K Following Yeni nesil haber platformu, takip edin haberiniz olsun.
cat @catheryn_li
3K Followers 711 Following building voice AI agents @simpleailab (yc s24). prev @ycombinator @instagram @mit
Yatish Mehta @yatish_me
732 Followers 895 Following 👨🏻💻 Staff Software Engineer @Asana 💎 Crafting the ultimate dev kit for enterprise apps https://t.co/LgUHlkpDCP
ilario Pileggi @PileggiIla63011
50 Followers 275 Following
İzzet Emre Demir @izzetemredemir
2K Followers 3K Following Working on ZK, Blockchain, and AI agents | Building at @FirstPointTr @vexom_ai | Ex-@AvalaunchApp , Ex-@lyteraio, Ex-@Jotform
m @mohamednzk
117 Followers 1K Following
Slava Akhmechet @spakhm
9 Followers 67 Following
YamaTouray @yama_touray4
956 Followers 6K Following Child of God ✝️Spreading love and faith Trusting in His plan📖Psalm 46:10 | Blessed beyondmeasure | Living to inspire and be inspired🙏
Amy @FreeGirlAmy
346 Followers 946 Following She/He | Medical Device Professional | Improving Life with Technology | Philanthropist | Posts reflect personal views only
Orhan Başak Ajredino... @orhanjay
199 Followers 507 Following Building the autonomous media infrastructure for the long tail of sports. Think AI + GoPro + Discord @reeplayerHQ
Ilya Tkachov @ilyatkcv
61 Followers 229 Following stopping AI slop at https://t.co/XLeyi9S8j6. twin of @n11v0.
GriseldaStella @g7O4vbjg3tWGSU
37 Followers 2K Following
Furkan @furkankabukcu
19 Followers 333 Following
Ayush Soni @ayushsoni_io
32K Followers 5K Following founder + creative director @ https://t.co/DeIlJI4WjL an experimental brand + web studio
steve aldrin @SteveAldrin_
969 Followers 2K Following figuring out what to do next | Building @calchatai (300$ ARR) prev resident @_TheResidency prev built @recruitr_ai| Emergent Ventures Fellow
chocolate_skin_beaut ... @symply_zina
12K Followers 10K Following Music lover|| Giveaways || Chef|| Big Wiz|| NSNV|| Messi || Barcelona|| humanity comes first in my book|| #eatwithzee||
AZIZ @azizalto
423 Followers 5K Following Open source | Programming | Applied ML & AI | PhD CS | learn, get inspired, build, smile, repeat 🔁
Ilpo Leppänen @ileppane
213 Followers 3K Following
Jay Vasant @__alter123
2K Followers 4K Following Technology (everything in between) Startups; DM's open
Ben Goikhman @it_hooligan
63 Followers 722 Following
Murny @S_Murnaghan
161 Followers 2K Following 💻 Full Stack Software Developer | ❤️ Ruby on Rails 🛤 ¯\_(ツ)_/¯
AI & SaaS Startups @aisaasnow
15 Followers 506 Following We offer a mostly a concise summery for AI & SaaS Startups and AI innovation including Robots. Note: Follow, RT, Like, Share are not endorsements.
Simon Warren @__SimonWarren__
31 Followers 939 Following Dreaming about things while I should be doing stuff
Mousa @I_XMGH
5 Followers 379 Following
Thomas Tränkler @ttraenkler
488 Followers 3K Following Cognitive Neuroscientist, Senior Fullstack Software Engineer Founder & CEO of @loopdive
$KAYSI 🍑 @kaysicoin
178 Followers 309 Following $KAYSI the golden apricot of DeFi. Elon boosted Doge, Trump launched his MAGA meme-coin So why not a luscious stone fruit? Tlgrm: https://t.co/rstBOzeo1K
burak @burakdeg6
25 Followers 823 Following
Ubicloud @UbicloudHQ
2K Followers 10 Following Ubicloud is an open, free, and portable cloud. Think of it as an open alternative to cloud providers, like what Linux is to proprietary operating systems.
Eleanore Collins @creamm__puff
155 Followers 682 Following 🚀 AI-Infused Finance | Private Equity Leader 🌱 Investing in the future of renewable energy ✍️ Balancing risk, innovation, and a commitment to sustainability
ZhaoQie888 @ZhaoQie888
78 Followers 752 Following Purchasing a master's degree in AI. Interests: AI Agent🤖 & Dev💻 & Sec🐛 & Cycling🚴 Starwar✨ and Dune Fan Ex: @AibraryOuraca
rajatkumar @rajatkumar311
23 Followers 1K Following
Jules Quest @foundrlaunch
195 Followers 4K Following Founder of https://t.co/e2Omy4pywa We Will Help You Build A Marketing System And If It Doesn't Add 20 High-Ticket Clients In The Next 24 Weeks... You Don't Pay.
teni2013 @teni0505112520
45 Followers 1K Following
Smart Cherrys Tech @smartcherrystc
9K Followers 10K Following Smart Cherrys Tech is Technology World.
Emrah Karagöz @emrahkaragozzzz
1 Followers 5 Following #0dan1milyardolara 🟣 1.000.000.000$ lık teknoloji şirketi kuruyoruz 💪 Hedefimiz büyük ama hayallerimiz de gerçekleşmeyecek kadar imkansız değil!
Paul Graham @paulg
2.1M Followers 779 Following
Garry Tan @garrytan
608K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
Y Combinator @ycombinator
1.5M Followers 346 Following We help founders make something people want. Subscribe to our newsletter: https://t.co/sjqjxxBeLc
Eren Bali @erenbali
58K Followers 2K Following Founder of @carbonhealth and @udemy (NASDAQ $UDMY). I can neither confirm nor deny whether I am working on something new.
Dalton Caldwell @daltonc
68K Followers 895 Following Founder and Partner @Standard_Cap, Partner Emeritus @ycombinator
Claire Giordano ✨ @clairegiordano
2K Followers 2K Following Work: #PostgreSQL open source community @microsoft, host #TalkingPostgres podcast 🎙️, chair talk selection @PosetteConf, love sailing in Greece ⛵️, alum Sun ☀️
Citus Data @citusdata
6K Followers 836 Following The open source extension for distributed #PostgreSQL. Part of @microsoft's @AzureCosmosDB team. GitHub ⭐️ appreciated! https://t.co/wlMTbLQZGH
Craig Kerstiens @craigkerstiens
9K Followers 884 Following Product and eng @crunchydata. I blog at https://t.co/K49pnYYXpL Curate https://t.co/0DWATfO0yf. Previously @Microsoft, @citusdata, @Heroku, Truviso
Planet PostgreSQL @planetpostgres
42K Followers 1 Following Blog entries from members of the PostgreSQL community
POSETTE: An Event for... @PosetteConf
705 Followers 4 Following 🐘Free & virtual developer event ✨ Organized by #PostgreSQL team at Microsoft. Stay tuned for 2026 dates & watch the 2025 talks here: https://t.co/LO1ZyQb0sC 💥
Görkem Çetin @gorkemcetin
22K Followers 10K Following CEO @ BlueWave Labs, an open source/B2B SaaS incubator. Founder @ VerifyWise, an open source AI governance platform. 🇹🇷🇨🇦
Andy Pavlo (@andypavl... @andy_pavlo
36K Followers 200 Following Associate Professor of Databases @CarnegieMellon.
Patrick McKenzie @patio11
185K Followers 802 Following I work for the Internet and am an advisor to @stripe. These are my personal opinions unless otherwise noted.
Azure Database for Po... @AzureDBPostgres
3K Followers 241 Following Official account for fully-managed database service for #PostgreSQL on Microsoft @Azure. 🐘
Hacker News Bot @newsycombinator
228K Followers 2 Following Get the latest from Hacker News! Top 5 stories on the hour, every hour. By @riklomas from @superhi_ – unofficial and not affiliated with Y Combinator
Gustaf Alströmer @gustaf
30K Followers 5K Following general partner @ycombinator. previously product @airbnb
Gazetory @gazetory
541K Followers 14 Following 🎙️Dijital Haber; Popüler Kültür, Viral İçerikler. | Gazetory; dijital medyayı tarar, doğruluğundan emin olduğu haber ve popüler içerikleri sizlerle paylaşır.
Oguzhan Aygoren @oguzhan
7K Followers 3K Following Scholar and entrepreneur, Director at UC Berkeley Haas Institute for Business Innovation, TV host at Cnbc-e
DHH @dhh
564K Followers 135 Following Father of three, Creator of Ruby on Rails + Omarchy, Co-owner & CTO of 37signals, Shopify director, NYT best-selling author, and Le Mans 24h class-winner.
Brett Adcock @adcock_brett
295K Followers 16 Following Founder @Figure_robot (AI Robots), @Cover_thz (Weapon Detection), @ArcherAviation (NYSE: ACHR), Vettery ($100M Exit)
Sai Krishna @_skris
12K Followers 738 Following Building https://t.co/tfD7euEPZK in public solo. Prev: digibooster, spotplay, mhotspot, etc with millions of users. I think a lot, question a lot.
Theo - t3.gg @theo
246K Followers 4K Following Full time CEO @t3dotchat. Part time YouTuber, investor, and developer
Andrej Karpathy @karpathy
1.4M Followers 1K Following Building @EurekaLabsAI. Previously Director of AI @ Tesla, founding team @ OpenAI, CS231n/PhD @ Stanford. I like to train large deep neural nets.
Math Cafe @Riazi_Cafe_en
39K Followers 115 Following The goal of this account is to encourage mathematical thinking. Farsi account: @Riazi_Cafe
Irina Nazarova @inazarova
4K Followers 1K Following CEO @evilmartians, co-founder @any_cable, running #SFRuby
Frederic Lardinois @fredericl
25K Followers 4K Following I write about tech. Sr. Enterprise Editor at TC. Signal 860-208-3416 [email protected]
zero @inthepacket
70 Followers 66 Following
Jarred Sumner @jarredsumner
129K Followers 766 Following building @bunjavascript. formerly: @stripe (twice) @thielfellowship. high school dropout. npm i -g bun
Satya Nutella @satyanutella_
8K Followers 2K Following
Joseph Conway @josepheconway
2K Followers 1K Following Head of PostgreSQL Contributor Team at Amazon, PostgreSQL committer, major contributor, infrastructure team, author PL/R extension (opinions == mine_alone)
Melanie Plageman @melanieplageman
716 Followers 662 Following hacker, runner, baker. always planning my next adventure. @[email protected]
Hetzner @Hetzner_Online
35K Followers 19 Following We're a data center operator & web hosting company that doesn't need to pretend to be nerdy. Legal Notice: https://t.co/oRD82JSeVK
Tom Blomfield @t_blom
66K Followers 882 Following Group Partner at @ycombinator Cofounded @gocardless and @monzo
BIGOLIVE (Partners) @BIGOLIVEPartner
6K Followers 7 Following Welcome to the BIGOLIVE Twitter family! 🎊 Immerse yourself in the world of live entertainment, inspiring content creators, and a supportive community. 🌐🌈🎙
Bill Gates @BillGates
66.3M Followers 571 Following Sharing things I'm learning through my foundation work and other interests.
Jessica Livingston @jesslivingston
115K Followers 86 Following Cofounder, Y Combinator; Author, Founders at Work; Host, The Social Radars podcast.
Solomon Hykes @solomonstre
52K Followers 14K Following Making @dagger_io. Before that: founded Docker. "No is temporary, yes is forever".
Reshma Khilnani @ReshmaKhilnani
2K Followers 2K Following CEO at Medplum. Previous: Visiting Partner @ YC, founder Droplet, MedXT. Facebook, Microsoft, Box, MIT Alum.
Sam Blond @samdblond
17K Followers 549 Following Co-Founder / CEO at Stealth. Fmr partner @foundersfund. Fmr CRO @brexhq
Prof. Emre Huri, MD, ... @EmreHuri_MD
2K Followers 461 Following Hacettepe University, Department of Urology, KU Leuven Functional Urology Visiting Prof, SurgSim Founder-CEO, Entrepreneur, IURES President-Elect,TEDx Talker
Mehmet Cirak @mcirak
64 Followers 563 Following Software and Electrical Engineer. Interested in anything computers and gadgets. Big football (soccer) fan.
Puneet Kumar @_puneetKumar
930 Followers 740 Following Venture Partner at @NexusVP, Prev Visiting Partner at @YCombinator, Founder & CEO at @SuprDaily (scaled to $100M annual revenue run rate, exited to Swiggy)
Thomas Munro @MengTangmu
2K Followers 369 Following PostgreSQL and sometimes FreeBSD hacker. https://t.co/xNzXgIYxiF, tmunro on libera
Jared Friedman @snowmaker
48K Followers 714 Following founder, techno-optimist, college dropout, partner at @ycombinator.
Marco Slot @marcoslot
1K Followers 656 Following Mostly tweets about Postgres, Crunchy Data, and Postgres extensions. Formerly Crunchy Data, Microsoft, Citus Data, AWS, TCD, VU
Aaron Epstein @aaron_epstein
116K Followers 476 Following General Partner @YCombinator. Previously co-founder @CreativeMarket.
Nicolas Dessaigne @dessaigne
10K Followers 285 Following Co-founder of @algolia - Group partner at @ycombinator
Pete Koomen @koomen
11K Followers 1K Following GP @ycombinator, cofounded @optimizely https://t.co/5hkCw4y95d
Ray Dalio @RayDalio
1.8M Followers 91 Following Official account of Ray Dalio, founder of Bridgewater Associates, author of #1 New York Times bestseller 'Principles,' professional mistake maker
logan bartlett @loganbartlett
63K Followers 901 Following md @redpoint / I have a podcast @loganbartshow / mostly tech with some vols, knicks and hip hop tweeting mixed in
Steve Stewart-William... @SteveStuWill
232K Followers 224 Following Psychology, evolution, science. Author of "A Billion Years of Sex Differences" (2026) and "The Ape That Understood the Universe" (2018).
Horace Dediu @asymco
65K Followers 402 Following https://t.co/iOcMYL7Ksg https://t.co/XbOebFdfbw https://t.co/jXz3kWqoMC
Richard Morris @ahistoryinart
83K Followers 502 Following Art historian, arts journalist, dealer/art consultant 19thC and 20thC British/European art. Founder: Everyone's Art. CNN, The Times,The Spectator etc
Noah Smith 🐇 @Noahpinion
361K Followers 2K Following Writes about economics, posts about rabbits. For serious opinions/analysis, read my blog: https://t.co/KfUxUlCYPzTrends for United States
12,3 B posts
127 B posts
25,6 B posts
181 B posts
17,4 B posts
42,8 B posts
4.456 posts
6.727 posts
3.883 posts
6.463 posts
15,7 B posts
390 B posts
160 B posts
28,3 B posts
8.847 posts
36,2 B posts
1.445 posts
2.867 posts
17 B posts
3.019 posts
You might like
Alexander Kukushkin
@cyberdemn
1K Followers
Hans-Jürgen Schönig
@postgresql_007
2K Followers
OnGres Inc
@ongresinc
918 Followers
Sean J. Taylor
@seanjtaylor
45K Followers
Data Egret | PostgreS...
@dataegret
958 Followers
Postgres Ibiza 2025
@pg_ibz
510 Followers
Joseph Conway
@josepheconway
2K Followers
Azure Database for Po...
@AzureDBPostgres
3K Followers
Craig Kerstiens
@craigkerstiens
9K Followers
Sai Srirampur
@saisrirampur
980 Followers
Heavybit
@heavybit
5K Followers
POSETTE: An Event for...
@PosetteConf
705 Followers
hydrobiont
@the_hydrobiont
419 Followers
Claire Giordano ✨
@clairegiordano
2K Followers
Asli Kurul Turkmen
@kurulpier
2K Followers