This is still 0.5T, but a more recent training checkpoint. 1T model is ~5 days away from finishing initial training. Will be a major step change improvement in coding, long context and skills. The SpaceXAI model factory is finally working. Should be an improved base model
@elonmusk
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Grok 4.3 Beta Release Improvements Daily Updates
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Grok 4.3 is still an early beta that will improve almost every day, but try it out!
— Elon Musk (@elonmusk) 17 avril 2026
We will publish release notes as we fix bugs and add functionality. https://t.co/s64QqC5tSsGrok 4.3 is still an early beta that will improve almost every day, but try it out! We will publish release notes as we fix bugs and add functionality.
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Starlink Achieves Rapid Deployment and Immediate Operational Status
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Starlink works 5 mins after you receive it
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xAI Rapidly Catching Up Despite Being Younger Than Competitors
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Lot of catching up to do. xAI is half the age or less of competitors.
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AI Output Growth Impact on Currency and Inflation Economics
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Your statement is true if goods & services output doesn’t rise dramatically due to AI/robots, but false if it does. In a normal economy, issuing more money simply increases the dollar price of the existing output of goods & services, meaning people do NOT get more stuff. If
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AI Output Growth and Monetary Policy Economic Effects
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Your statement is true if goods & services output doesn’t rise dramatically due to AI/robots, but false if it does. In a normal economy, issuing more money simply increases the dollar price of the existing output of goods & services, meaning people do NOT get more stuff. If
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AI enables quadriplegics to walk and regain hand function
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Yes, and enable quadriplegics to walk again and use their hands
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Universal Income Solution for AI-Driven Unemployment
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Universal HIGH INCOME via checks issued by the Federal government is the best way to deal with unemployment caused by AI. AI/robotics will produce goods & services far in excess of the increase in the money supply, so there will not be inflation.
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Beta Release Quality Issues and Alpha Stage Feedback
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This beta is pretty rough. Alpha might be a better description.
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LiDAR Technology Understanding in SpaceX Dragon Docking Systems
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People oddly assumed that I didn’t understand LiDAR, even though I oversaw the custom LiDAR development that Dragon uses to dock with the Space Station