PendingOrbital satellites become lowest-cost AI compute
“Satellites with localized AI compute... will be the lowest cost way to generate AI bitstreams in <3 years.”
“Grok 4.20 is coming in ~3 weeks and then Grok 5 in a few months”
— Elon Musk · Dec 9, 2025 · @elonmusk on X ↗
See his original post on XLoads Elon's actual tweet, right here.
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What actually happened
Grok 4.20 slipped from the ~3-week (late-Dec 2025) target to a Feb 17, 2026 beta; Grok 5 remained in training with no release as of mid-2026.
The Progression
Dec 9, 2025
The promise: “Grok 4.20 is coming in ~3 weeks and then Grok 5 in a few months” · @elonmusk on X ↗
Dec 31, 2025
Deadline passed. Grok 4.20 slipped from the ~3-week (late-Dec 2025) target to a Feb 17, 2026 beta; Grok 5 remained in training with no release as of mid-2026.
Today · Jul 1, 2026
Status: Missed · 182 days past due. Never happened.
Grok 4.20 slipped from the ~3-week (late-Dec 2025) target to a Feb 17, 2026 beta; Grok 5 remained in training with no release as of mid-2026.
Receipts
LAST CHECKED 2026-07-01- [TWEET] @elonmusk on X
More from the feed
Pending
MissedGrok 5 released before end of 2025
“Grok 5 will be out before the end of this year and it will be crushingly good.”
goalposts: 2025 → 2026 · moved 1×
PendingGrok makes a watchable movie by end of 2026
“Grok will make a movie that is at least watchable before the end of next year and really good movies in 2027.”
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