Then and now

What Elon Musk said then, what he says now: dated quotes with links to the source.

• Elon's 4680 promise: it's finally powering Cybercab and the SemiHow Elon Musk’s Battery Day timeline for the 4680 cell and its cost gains moved from “about three years” (2020) to “not quite there yet” (2024) and “the lowest cost per kilowatt hour” (2025), with dated quotes and source links.
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• Hyperloop and Boring Company tunnels: then vs nowHow Elon Musk’s Hyperloop and Boring Company tunnel timelines moved from NY–DC and Chicago plans to one operating Las Vegas loop, with dated quotes and source links.
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• Unsupervised self-driving: then vs nowHow Elon Musk’s robotaxi and unsupervised FSD timeline moved from “next year for sure” in 2019 to “widespread in the US” by end of 2026, with dated quotes and source links.
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• Starship to Mars in 2026: then vs nowHow Elon Musk’s wording on an uncrewed Starship launch to Mars in the 2026 window moved from “default plan” to “low probability shot”, with dated quotes and source links.
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• Neuralink first human implant: then vs nowHow Elon Musk’s timeline for Neuralink’s first human implant moved from “as soon as this year” (2020) to January 2024, and what he now says about scale, with dated quotes and source links.
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• Optimus production: then vs nowHow Elon Musk’s Optimus production timeline moved from “high production … in 2026” to Optimus 3 high volume “around summer next year” (2027), with dated quotes and source links.
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• Tesla Roadster 2: then vs nowHow Elon Musk’s next-generation Tesla Roadster timeline moved from “available in 2020” to a demo in October 2026, with dated quotes and source links.
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• Robotaxi launch dates: then vs nowHow Elon Musk’s Tesla Robotaxi launch dates moved from “a million robotaxis by end of 2020” to an Austin launch in June 2025 and Cybercab in 2026, with dated quotes and source links.
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• Starlink subscribers: then vs nowHow Elon Musk described Starlink’s reach, from the “3 or 4%” hardest-to-reach customers in 2020 to tens of millions of subscribers and “over 90%” of internet traffic, with dated quotes and source links.
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• Starship full reuse and ship catch: then vs nowHow Elon Musk’s Starship full-reuse, ship-catch and orbital refilling timelines moved from “by the end of next year” (2025) to a ship reflight “more likely early next” (2027), with dated quotes and source links.
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• The $25,000 Tesla: what we got insteadHow Elon Musk’s $25,000 Tesla went from “maybe … in three years” (2018) and “about three years from now” (Battery Day 2020) to “the future is autonomous” (2024), with dated quotes and source links.
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• Tesla Semi production: then vs nowHow Elon Musk’s Tesla Semi production timeline moved from “production begins 2019” to a start in 2026, with dated quotes and source links.
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