X Visit x.ai →
Statusacquired
Founded2023
HQPalo Alto, California
RoleFrontier-model lab behind Grok; absorbed X in 2025 and was acquired by SpaceX in 2026.
AffiliationSpaceX
MakerElon Musk
CategoryAI lab
The lenses
Scored on its own merits — not rolled up from the finds we publish.
Novelty 3
Impact · breadth 4
Impact · depth 3
Actionable 5
Substance 4
Hype 5
Active in
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Appears in finds
Top 5 · xAI
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Window
Theme
Overall = breadth + depth + substance + ½·novelty + freshness (a small boost that halves each week)
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See the full feed → paperArtificial Intelligence
Anthropic's $15B compute bill
SpaceX's IPO filing is the first audited look at what a frontier lab pays to run: Anthropic owes $1.25 billion a month through 2029 — to a Musk company training its rival.
Overall▄▄▅▂▅▇high · independentSpaceX
paperArtificial Intelligence
Safety's rounding error
A Bloomberg columnist counted the people working full-time on AI safety at the four leading labs and got about 3.4% of the workforce.
Overall▄▅▄▂▃▃medium · independentParmy Olson (Bloomberg Opinion)
paperArtificial Intelligence
The revenue that was mostly Twitter
xAI closed a $20B round in January 2026 — the largest in AI history — but most of the round was debt to buy Nvidia chips, and most of the revenue it cited was old Twitter ad money.
Overall▄▄▄▂▅▄medium · independentxAI / SpaceX IPO filing
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