Profile: 72f3e1dd...
🧵 REPLYING TO @tetsuoai (Tetsuo):
┌─ "How did xAI pull this off ? https://x.com/tetsuoai/status/1944101645505483143/video/1
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💬 ELON'S REPLY:
@tetsuoai 😂
🧵 REPLYING TO @wildbarestepf (stepfanie tyler):
┌─ "it's absolutely insane how many people don't understand how calories work it's actually blowing my fucking mind
no wonder we have an obesity epidemic WOW
"calories do matter BUT iT'S tHE tYPe oF fOOd YoU eAT"
NO.
any food in a caloric surplus will cause weight gain
any food in a caloric deficit will cause weight loss
stop it with this fucking nonsense jfc"
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💬 ELON'S REPLY:
@wildbarestepf Conservation of energy is the law
Ad Astra Per Aspera https://twitter.com/danesonance/status/1943867628503855119
🧵 REPLYING TO @elonmusk (Elon Musk):
┌─ "@samwose @StockSavvyShay It’s a good computer"
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💬 ELON'S REPLY:
@samwose @StockSavvyShay Can play Crysis at a billion frames per second
🧵 REPLYING TO @samwose (RimRunner):
┌─ "1. Breaking Free from Nvidia
Tesla currently relies on Nvidia’s A100 and H100 GPUs for training its massive video-based neural networks. While powerful, these chips are general-purpose and optimized for broader markets like LLMs and gaming.
Dojo 2, by contrast, is Tesla’s application-specific supercomputer, built from the ground up to train vision-centric, spatiotemporal neural nets for FSD, Optimus, and Grok.
With Dojo 2, Tesla moves from customer to competitor - gaining control over:
• Cost per FLOP
• Power efficiency
• Availability
• Scaling roadmap
2. TSMC’s INFO-SOW: Advanced Chip-on-Wafer Stacking
Tesla is using TSMC’s cutting-edge Integrated Fan-Out with Silicon-On-Wafer (INFO-SOW) packaging tech. This enables:
• High-bandwidth die-to-die connections
• Lower latency between training modules
• Improved heat dissipation for dense compute clusters
In massive AI workloads, memory bottlenecks and heat limits matter more than raw compute. Dojo 2’s architecture addresses both.
3. Tesla’s Custom Instruction Set & Training Stack
Unlike general-purpose GPUs, Dojo cores are designed to accelerate matrix multiplies, systolic arrays, and video-token fusion - the backbone of FSD’s vision-based planning stack.
By building its own silicon, Tesla can:
• Fuse model architecture and compiler logic
• Optimize for batch sizes and data locality
• Avoid CUDA-style abstraction penalties
4. Strategic Leverage
Dojo 2 gives Tesla:
• Internal cost control at exascale
• Scalable infrastructure for FSD rollouts
• A competitive moat in AI training
• Infrastructure for non-driving AI (Optimus, Grok agents, multimodal inference)"
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💬 ELON'S REPLY:
@samwose @StockSavvyShay It’s a good computer
🧵 REPLYING TO @mikepat711 (Mike P):
┌─ "“Butter making machines are cool but I like to churn butter.”
“Indoor pressurized faucets are cool but I like hand pumping water into a pale from the well out back”
“Elevators are cool but I like the stairs.”
“Calculators are cool but I like solving equations by hand.”
“Email sounds fun but I like going to the post office.”
“Mixers are cool but I like throwing my batter into a bowl and using my hands”
“Automatic coffee grinders are cool but I like using a hand grinder”
“Self driving cars are cool but I like to drive myself”"
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💬 ELON'S REPLY:
@mikepat711 🎯
🧵 REPLYING TO @chaitualuru (Chaitu):
┌─ "don't sleep on grok voice mode https://apps.apple.com/us/app/grok/id6670324846 https://twitter.com/swyx/status/1943850152059711903"
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💬 ELON'S REPLY:
@chaitualuru It’s great
🧵 REPLYING TO @BigImpactHumans (LilHumansBigImpact):
┌─ "Took my first Robotaxi ride and it was amazing! https://x.com/BigImpactHumans/status/1943753583557849119/photo/1
"
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💬 ELON'S REPLY:
@BigImpactHumans Cool
🧵 REPLYING TO @swyx:
┌─ "@CesarAndreu @xai err yeah i didnt expect people to be that interested in it haha but sure"
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💬 ELON'S REPLY:
@swyx @CesarAndreu @xai We need to make it easy to save and post interesting conversations from Grok
Best AI voice mode in the world is @Grok https://twitter.com/swyx/status/1943850152059711903
🧵 REPLYING TO @durov (Pavel Durov):
┌─ "French bureaucrats are waging a crusade against free speech and tech progress. Using criminal probes instead of clear rules to regulate internet companies will scare off investment and damage the country’s economic growth for decades. https://twitter.com/politicoeurope/status/1943678879651991750"
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💬 ELON'S REPLY:
@durov True
🧵 REPLYING TO @_Hosenfeld (Blackbell):
┌─ "@elonmusk @grok The Grok voice is not fluent in Korean."
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💬 ELON'S REPLY:
@_Hosenfeld @grok Should be better soon
🧵 REPLYING TO @myleswagner (Myles Wagner):
┌─ "Grok 4 on top
New Bieber album
Snack Wrap returned
We are so back"
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💬 ELON'S REPLY:
@myleswagner 🚀🚀
Try @Grok 4, especially our awesome new voice mode! https://apps.apple.com/us/app/grok/id6670324846
🧵 REPLYING TO @PeterDiamandis (Peter H. Diamandis, MD):
┌─ "Elon's moving at warp speed...again https://x.com/PeterDiamandis/status/1943717889875255365/video/1
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💬 ELON'S REPLY:
@PeterDiamandis 🚀
🧵 REPLYING TO @unusual_whales:
┌─ "BREAKING: The footage from Jeffery Epstein’s cell that was released by the DOJ was edited with Adobe Premiere Pro, stitched from 2 clips, and was saved 4 times, per WIRED"
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💬 ELON'S REPLY:
@unusual_whales Sounds legit 🙄
🧵 REPLYING TO @durov (Pavel Durov):
┌─ "📚 If you’re a student choosing what to focus on, pick MATH. It will teach you to relentlessly rely on your own brain, think logically, break down problems, and solve them step by step in the right order. That’s the core skill you’ll need to build companies and manage projects."
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💬 ELON'S REPLY:
@durov Physics (with math)
🧵 REPLYING TO @HarmlessYardDog (Battle Beagle):
┌─ "I'm wheezing, they didn't even clear the metadata! https://twitter.com/unusual_whales/status/1943734838718017717"
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💬 ELON'S REPLY:
@HarmlessYardDog Wow
🧵 REPLYING TO @AdamLowisz (Adam Lowisz 🇺🇸🇵🇱🇪🇺🇬🇧🇺🇦):
┌─ "@elonmusk @haydendevs Elon, did you see this. At a Turning Point event Steve Bannon declared his number one mission is to destroy you and your companies. This guy has gone off the rails. Trump needs to talk to Bannon and his clique, and tell them to knock it off. https://x.com/AdamLowisz/status/1943798619225960942/video/1
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💬 ELON'S REPLY:
@AdamLowisz @haydendevs Back to prison for Bannon
🧵 REPLYING TO @Not_the_Bee (Not the Bee) ✓:
┌─ "Reports: Metadata shows Epstein tape was edited and saved multiple times; Bongino takes leave of absence after spat with AG Bondi
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💬 ELON'S REPLY:
@Not_the_Bee !!
🧵 REPLYING TO @MarioNawfal (Mario Nawfal):
┌─ "🚨STREAMERS BROADCAST LIVE FROM DRAKE'S JET USING STARLINK AT 40,000 FEET
Adin Ross and Kyle from Nelk Boys streaming to millions while cruising to London.
Zero lag. Perfect connection.
Adin:
"We're streaming on a jet. No lag. Shout out to Starlink. Shout out to Elon"
Kyle:
"Shout out to fucking Elon, man. Guys the GOAT"
The future: broadcasting from private jets like it's your bedroom.
@Starlink turning the sky into a streaming studio.
Source: Kick, @adinross @KyleForgeard @elonmusk
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💬 ELON'S REPLY:
@MarioNawfal Cool
Some more cool @Grok features coming out this weekend
🧵 REPLYING TO @BrentM_SpaceX (Brent Mayo):
┌─ "Almost 24 hours after Grok 4 release and this pic from 1 year ago comes back up (post grok 2 timeframe) and its really wild/borderline crazy to think what we have accomplished.
This @xai team is the absolute best (and we are just getting started). https://x.com/BrentM_SpaceX/status/1943450593130922086/photo/1
"
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💬 ELON'S REPLY:
@BrentM_SpaceX @xai 🚀
🧵 REPLYING TO @shaunmmaguire (Shaun Maguire):
┌─ "I have some of the biggest left-wing names in Silicon Valley coming after me behind the scenes
Literally the people that turned it into a toxic cesspool of political correctness and cancel culture
I have three words for you
GFY"
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💬 ELON'S REPLY:
@shaunmmaguire 🔥
🧵 REPLYING TO @TimSweeneyEpic (Tim Sweeney):
┌─ "The biggest shortcoming I see is the adoption of confused musings from online forums as facts, coupled with the inability to derive deep insights from intermingled prose and graphics in sources. It needs contextual skepticism and more multimodal visual learning."
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💬 ELON'S REPLY:
@TimSweeneyEpic 💯
That was how I felt when asking Grok 4 questions about materials science that are not in any books or on the Internet https://twitter.com/timsweeneyepic/status/1943398745762116029
🧵 REPLYING TO @BasedBeffJezos (Beff – e/acc):
┌─ "Grok 4 Heavy is already ASI level.
It's over. Elon won. https://x.com/BasedBeffJezos/status/1943167053969445029/photo/1
"
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💬 ELON'S REPLY:
@BasedBeffJezos There is a long way to go.
In a few years, I don’t think we will even be able to appreciate the AI, let alone keep up.
🧵 REPLYING TO @ibab (Igor Babuschkin):
┌─ "It’s a good model, sir https://twitter.com/xai/status/1943158495588815072"
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💬 ELON'S REPLY:
@ibab 🫡
🧵 REPLYING TO @tetsuoai (Tetsuo):
┌─ "@elonmusk @grok @xai It's so good!"
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💬 ELON'S REPLY:
@tetsuoai @grok @xai 🔥🔥
🧵 REPLYING TO @tetsuoai (Tetsuo):
┌─ "@elonmusk @grok @xai Love it! Put in some code from my nvim plugin and it just identified issues that Claude Opus couldn't find. https://x.com/tetsuoai/status/1943190980196471144/photo/1
"
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💬 ELON'S REPLY:
@tetsuoai @grok @xai Cool