“Nice work by @xAI team, @X team, @Nvidia & supporting companies getting Memphis Supercluster training started at ~4:20am local time. With 100k liquid-cooled H100s on a single RDMA fabric, it’s the most powerful AI training cluster in the world!”
The tweet archive.
15 years of Elon, fully searchable. The production archive uses Supabase as the source of truth, with 94,952 indexed tweets available in development as a full-archive fallback and a curated annotation layer for context, theory, and how major claims aged.
“Welcome! Orbital space centers and mass drivers on the Moon will be incredible. [@JasonBud] I’m proud to be joining SpaceX and xAI with @milichab It has become clear that software is changing fundamentally. More and more, people can shape the tools they use directly, and the ceiling of what can be built keeps rising. What makes xAI special is the scale of its”
“Musk Foundation provided a large donation to the Boys and Girls Club of Greater Memphis to fill in federal funding gap. https://t.co/6e2oJ3xZpB https://www.commercialappeal.com/story/news/local/2025/07/25/xai-elon-musk-memphis-tn-schools-donation/85374948007/”
“Get stuff done @xAI [@Sajwani] This is an engineer from Elon Musk’s xAI … just listen to this guy … this how you as a career starter should think !! GET STUFF DONE ✅”
“xAI is not raising capital and I have had no conversations with anyone in this regard”
“Yes [@DimaZeniuk] Elon Musk's xAI is going to start an AI game studio to make games )”
“Congrats to the @xAI team and thank you to investors for your faith in our company [@xai] https://x.ai/news/series-e”
“Cable pr0n of @xAI GB200 servers at Colossus 2 https://t.co/ncg1fWBKN0”
“Welcome to @xAI and 𝕏, Benji! [@benjitaylor] I’m honoured to be joining 𝕏 to lead design. I believe this is the most important platform in the world, and I can’t think of a more exciting place to help shape the future. I’m looking forward to working closely with @elonmusk, @nikitabier, and the rest of the team. I’m”
“xAI discussion on Spaces now”
“😎 [@doganuraldesign] You think you can't announce waifu as a feature and a government defense deal on the same day... But this is xAI 😎”
“This weekend, the @xAI team brought our Colossus 100k H100 training cluster online. From start to finish, it was done in 122 days. Colossus is the most powerful AI training system in the world. Moreover, it will double in size to 200k (50k H200s) in a few months. Excellent…”
“Congratulations to the @xAI team for getting so much done over the Thanksgiving week!”
“Welcome to @xAI! [@dchaplot] I'm joining SpaceX and xAI, working closely with Elon and team to build superintelligence. Together SpaceX and xAI combine physical and digital intelligence under a leader who understands hardware at the deepest level. Add a high-agency culture with frontier-scale resources, and”
“Building an interstellar civilization https://t.co/jccDcLG7e7 https://www.spacex.com/updates#xai-joins-spacex”
“Amazing work by the @xAI team in 2 years! [@elonmusk] Announcing formation of @xAI to understand reality”
“It’s got to be done. Make video games great again! [@MarioNawfal] ELON: MAKE GAMES GREAT AGAIN Fed up with woke politics and DEI destroying the games industry, Elon confirmed that xAI is set to launch a game studio. He previously vowed to “make games great again” after pointing out that developers and game journalists have been ideologically… )”
“The @xAI MACROHARD project will be profoundly impactful at an immense scale 😉 Our goal is to create a company that can do anything short of manufacturing physical objects directly, but will be able to do so indirectly, much like Apple has other companies manufacture their [@cb_doge] Elon Musk is literally painting MACROHARD on the roof of the Colossus II supercomputer cluster in Memphis. Here’s what it’s going to look like:”
“The @xAI team is working on providing For You tabs that are specific to topics. For example, a “For You AI” that is focused only on artificial intelligence with no political rage bait. This would be like automatically generated follow lists with content ranked by quality.”
“1.21 Gigawatts of training @xAI !!! https://t.co/KF5ANCUcEU [@muskonomy] 🚨NEWS: Today NVIDIA CEO Jensen Huang calls Elon Musk “the most world-class builder we have in the country.” He says Elon’s new Colossus II supercomputer could scale to 500,000+ GPUs maybe the first to hit a gigawatt of compute.”
“Join @xAI to build a maximally truth-seeking AI that will enable discovery of new physics & invent useful technologies!”
“I resisted AI for too long Living in denial Now it is game on @xAI @Tesla @SpaceX [@MarioNawfal] NVIDIA'S CEO: ELON IS A SUPERHUMAN, IT'S JUST UNBELIEVABLE Jensen Huang: "Just to put in perspective a supercomputer that you would build would take normally three years to plan. And then deliver the equipment it takes one year to get it all working. We're talking about 19”
“Join @xAI to work on understanding the universe! [@MohitReddy13] We are building the future of intelligent agents that emulate and surpass human performance on computers. Apply here if you are interested: https://x.com/i/jobs/2010834448036884480?s=20”
“This false nomenclature of “researcher” and “engineer”, which is a thinly-masked way of describing a two-tier engineering system, is being deleted from @xAI today. There are only engineers. Researcher is a relic term from academia. [@ag_i_2211] we at @xai are looking for researchers and engineers for scaling up our rl environments with user feedback and preference in the loop. apply here (or drop me a dm): https://x.com/i/jobs/1948556500206845952”
“The @xAI goal is 50 million in units of H100 equivalent-AI compute (but much better power-efficiency) online within 5 years”
“Colossus II, the world’s first Gigawatt AI training cluster [@amXFreeze] xAI’s Colossus 2: The World’s First Gigawatt-Scale Datacenter”
“Try out the @xAI API!”
“The @xAI API is now live!”
“Spaces discussion with @xAI team tomorrow at 1pm PT”
“We need to focus on finishing Colossus 2 and ensuring it is extremely stable, then will build the water recycling plant [@xAIMemphis] xAI is committed to building a state-of-the-art water recycling plant in Memphis. This plant will protect billions of gallons of water each year. The team is currently prioritizing other more immediate projects at the site but our plans to build the water plant have not”
“A terawatt of compute or you’re not really trying! [@rpoo] If you’re interested in building terawatt scale compute join xAI”
“The @xAI image generation system was developed internally in ~6 months”
“Constructing Valentine @xAI https://t.co/iBszI8qP3a”
“Colossus 2, built by @xAI, will be the world’s first Gigawatt+ AI training supercomputer [@MichaelDell] Great visit to @xai with @BrentM_SpaceX @nmswede today! It’s amazing to see what you guys are accomplishing and we couldn’t be prouder to be part of it. I very much enjoyed it. Onward 🚀”
“MACROHARD, the much stronger AI equivalent of that other software company! [@xaicareers] Want to build Macrohard? Join our sandbox execution team. Rust, Linux, networks. Palo Alto or London. https://x.com/i/jobs/1967680134414303234”
“Join @xAI and help build a purely AI software company called Macrohard. It’s a tongue-in-cheek name, but the project is very real! In principle, given that software companies like Microsoft do not themselves manufacture any physical hardware, it should be possible to simulate”
“Join @xAI!”
“SpaceXAI + Tesla TERAFAB Project Goal is a trillion watts of compute/year Most must necessarily go to space, as US electricity is only 0.5TW [@SpaceX] Announcing TERAFAB: the next step towards becoming a galactic civilization https://x.com/i/broadcasts/1yKAPMzlvgWxb”
“I love Christmas 🎄 [@xAIMemphis] Yesterday our team volunteered at the Mid-South Food Bank. We helped assemble 7,000 Christmas baskets for those in need. We’re grateful for the opportunity to serve the community.”
“K2 or you’re not even trying! [@SpaceX] SpaceX has acquired xAI, forming one of the most ambitious, vertically integrated innovation engines on (and off) Earth → http://spacex.com/updates#xai-joins-spacex”
“The future is accelerating [@tetsuoai] "a first step towards becoming a Kardashev II-level civilization." - Elon Musk In the last three weeks: SpaceX acquired xAI, merging the world's largest rocket company with one of the fastest-moving AI labs on the planet. SpaceX valued at $1 trillion. The stated goal of the”
“xAI was reorganized a few days ago to improve speed of execution. As a company grows, especially as quickly as xAI, the structure must evolve just like any living organism. This unfortunately required parting ways with some people. We wish them well in future endeavors. We are… https://t.co/WxinkHtC3d https://x.com/i/web/status/2021673886157607383 [@xai] Since xAI was formed just 30 months ago, the small and talented team has made remarkable progress. The future has never looked more exciting!”
“It’s a great vibe! [@Nate_Esparza] The energy at xAI HQ is absolutely unmatched”
“Super talented & cool team @xAI!”
“Hardcore Mode [@xai] Exceptional humans are the ultimate progress multiplier If you are an exceptional builder with a passion for scaling winning teams join our new Talent Engineering Team https://x.com/i/jobs/1981503703627812867”
“And it will get even better soon! [@EthanHe_42] xAI has the best food and drink 🍹”
“Thanks Pat, indeed great work by the @xAI team”
“Congrats to the hardworking @xAI team! Rate of progress is excellent.”
“🚀 🚀🚀🚀🚀 Btw, the @xAI team is still grinding hard, even at this hour.”
“xAI Discussion https://t.co/UHZatW4vFS https://x.com/i/spaces/1vAGRAAmdoqKl”
