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markusdd
@markusdd5 · 22. März 2026
Ok. So essentially Terafab is not a plan for a 'standard' semiconductor fab, but includes mask production, test house and packaging under one roof. This alone is a very alien concept. If they only achieve this alone, not even considering reaching the crazy output numbers, they're
Elon Musk
@elonmusk · 22. März 2026
Given that several companies make advanced chips, but no companies have ever made fully reusable rockets or achieved SpaceX scale, I think Starship is harder, but we shall see.
Terafab will technically be two fabs, each making only one chip design. This greatly simplifies process flow and allows more linear, adjacent movement of the FOUP.
A super high production rate allows us to test very quickly what steps can be deleted, simplified or sped up, even after the design is fixed. Current fabs are extremely conservative, operating on rigid historical heuristics, which are mostly, but not all, correct.
Anything that is a rate limiter at the machine level means that machine will be redesigned, unless already at limit of physics.
Having new iterations of a chip design be produced every day in the research fab (with <7 day lag) means being able to try out many high risk, high return ideas.
Etc
In any event, there is no other way to reach extreme scale, so either we make Terafab or we will be stuck at the ~20% chip/memory output growth per year of the current industry.
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André Thierig
@AndrThie · 22. März 2026
Happy Birthday Giga Berlin!
4 years ago, we started production with delivering the first 30 cars to our customers! Since then, it has been a unique success story:
- produced and delivered more than 700.000 Model Y 💪🏼
- created nearly 11.000 jobs 👷♂️👩🔧
So much more to come!
Elon Musk
@elonmusk · 22. März 2026
Happy birthday! 🎉
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Elon Musk
@elonmusk · 22. März 2026
Is this true, @grok?
X Freeze@XFreeze· 22. März 2026
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X Freeze
@XFreeze · 22. März 2026
Elon Musk
@elonmusk · 22. März 2026
😂
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Adam Lowisz X Meetup 🇺🇸🇵🇱🇪🇺🇬🇧🇺🇦
@AdamLowisz · 22. März 2026
Elon, you should use that rapid recursive improvement to singe Robert Reich with a satellite from space 🤣
Elon Musk@elonmusk· 22. März 2026Rapid recursive improvement
Elon Musk
@elonmusk · 22. März 2026
Only a matter of time
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Adam Lowisz X Meetup 🇺🇸🇵🇱🇪🇺🇬🇧🇺🇦
@AdamLowisz · 22. März 2026
Elon, you should use that rapid recursive improvement to singe Robert Reich with a satellite from space 🤣
Elon Musk
@elonmusk · 22. März 2026
Only a matter of time
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Oilfield Rando
@Oilfield_Rando · 22. März 2026
Democracy is a pretty shitty deal, which our founders knew well, which is why they started this country by limiting the absolute SHIT out of who could vote!
Elon Musk
@elonmusk · 22. März 2026
💯
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Aaron Burnett
@aaronburnett · 22. März 2026
Same thing that led from the pic on the left to the pic on the right… only faster.
Elon Musk
@elonmusk · 22. März 2026
Yes
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Jesse Peltan
@JessePeltan · 22. März 2026
I just want to go see it in person.
Elon Musk@elonmusk· 22. März 2026Mass drivers on the Moon!
Elon Musk
@elonmusk · 22. März 2026
Same
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Elon Musk
@elonmusk · 22. März 2026
Mass drivers on the Moon!
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Scott Manley
@DJSnM · 22. März 2026
Whenever space data centers become cost effective, they'll get there first for the company that is vertically integrated with the software, the computer hardware and the launch capabilities.
Terafab is news, but it's not a surprise to anyone that's been paying attention.
Tesla@Tesla· 22. März 2026TERAFAB: the next step to becoming a galactic civilization
Together with @SpaceX & @xAI, we're building the largest chip manufacturing facility ever (1TW/year) – combining logic, memory & advanced packaging under one roof.
To harness as much power as possible from the Sun, we
Elon Musk
@elonmusk · 22. März 2026
I mentioned it at the Tesla annual shareholder conference
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Elon Musk
@elonmusk · 22. März 2026
Space
DogeDesigner@cb_doge· 22. März 2026ELON MUSK: "Space solar actually costs less than terrestrial solar because you don't need heavy glass or framing to protect it from extreme weather events. So as soon as the cost to orbit drops to a low number, it immediately makes extremely compelling sense to put AI in space.
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Elon Musk
@elonmusk · 22. März 2026
Rapid recursive improvement
DogeDesigner@cb_doge· 22. März 2026ELON MUSK: "We're starting off with an advanced technology fab here in Austin, and I'd like to thank @GregAbbott_TX and the state of Texas for the support.
So in the advanced technology fab, we will have all of the equipment necessary to make a chip of any kind logical memory,
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Elon Musk
@elonmusk · 22. März 2026
The most exciting of times ahead!
Tesla@Tesla· 22. März 2026TERAFAB: the next step to becoming a galactic civilization
Together with @SpaceX & @xAI, we're building the largest chip manufacturing facility ever (1TW/year) – combining logic, memory & advanced packaging under one roof.
To harness as much power as possible from the Sun, we
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Elon Musk
@elonmusk · 22. März 2026
Terafab was the final missing piece of the puzzle
Steve Jurvetson@FutureJurvetson· 22. März 2026First view of the 100kw AI Mini Sat with solar panels and heat radiator to scale. “And that’s just the Mini version. We expect future versions to go to the megawatt range.” — Elon
The key missing ingredient is a terawatt of AI compute. Fully integrated fab with recursive
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Jesse Peltan
@JessePeltan · 22. März 2026
Confirmed that the plural of Optimus is Optimi
Tesla@Tesla· 22. März 2026Announcing TERAFAB: the next step towards becoming a galactic civilization
Elon Musk
@elonmusk · 22. März 2026
It’s the best plural
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Elon Musk
@elonmusk · 22. März 2026
Exactly
Jesse Peltan@JessePeltan· 22. März 2026A terawatt *per year* is HUGE on the scale of current civilization (2x the U.S. grid every year), and yet that’s still 100,000 years to reach Type I, and 10^14 years to reach Type II.
This is still only the beginning.
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Elon Musk
@elonmusk · 22. März 2026
Quantity has a quality all its own
TERAFAB
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Elon Musk
@elonmusk · 22. März 2026
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@SpaceX· 22. März 2026Announcing TERAFAB: the next step towards becoming a galactic civilization
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Ethan He
@EthanHe_42 · 22. März 2026
For reference, the entire US runs on only ~0.5 TERAWATT of electricity.
Elon Musk@elonmusk· 21. März 2026Formal announcement of the TERAFAB project, which will be done jointly by @SpaceX and @Tesla, tonight around 8pm CT. Livestream on 𝕏.
The goal is to produce over a TERAWATT of compute per year (logic, memory & packaging) with ~80% for space and ~20% for the ground.
Elon Musk
@elonmusk · 22. März 2026
Yup
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