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xAI is looking more like a datacentre REIT than a frontier lab
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The 5-second version
- xAI is leasing massive GPU capacity to competitors Anthropic ($1.25B/month for 220k GPUs) and Google ($920M/month for 110k GPUs) through short-term cancellable contracts.
- Anthropic reversed peak-hour usage restrictions after securing xAI capacity, confirming severe GPU shortages persist across the industry despite massive capex investments.
- xAI/SpaceX's competitive advantage is rapid datacenter deployment (Colossus built in 122 days) versus hyperscalers' multi-year timelines, creating a real infrastructure arbitrage opportunity.
- The deals raise questions about Grok's frontier model ambitions, as training/inference capacity is diverted to competitors, suggesting possible demand shortfalls or strategic pivot to infrastructure monetization.
- xAI increasingly resembles a datacenter REIT with an AI lab attached, with the SpaceX IPO valuation heavily dependent on whether these GPU leasing revenues represent sustainable competitive advantage or financial engineering.
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> that make no sense (profits spiking 50% They were unrealized gains on non-marketable equities. It’s clearly disclosed and done according to GAAP. It’s put under other income precisely so analysts can strip it out when modelling long-term trends. Like, yes, if SpaceX goes to zero Google would have to realize losses and probably lose a quarter or two of GAAP profits. (But not cash flows. Cash-flow wise, it may wind up being positive due to tax effects.) It’s a risk factor, of course, but far f…Read on HN ↗
>What happens when the music stops? Bubble bursts, somewhere between 2008 housing crisis and the dotcom bust. Really dependent on if there are any OTHER structural problems to compound a fast re-valuation of tech stocks. There's plenty of noise about banks holding large amounts of bad private credit debt. There could be a lot or only a little collapse. There's so much uncertainty and the combination of war, high oil prices, and uncertainty about tarriffs that the market struggles to value a…Read on HN ↗
> I think everyone is reading way too much into this. Sure there is some circular transactions that are sus, but this ain't it. Alphabet/Google profits: Q1 2025: $34.54 billion Q2 2025: $28.20 billion Q3 2025: $34.98 billion Q4 2025: $34.46 billion <<Q1 2026: $62.58 billion>> Amazon profits: Q1 2025: $17.1 billion Q2 2025: $18.16 billion Q3 2025: $21.2 billion Q4 2025: $21.19 billion <<Q1 2026: $30.3 billion>> Both Alphabet/Google and Amazon have invested recently into Anthropic and…Read on HN ↗
If the S&P 500 dropped 20%, that's about a year's growth. Long-term investors who bought before that would be poorer than they thought they were, but they're not worse off than they started and there wouldn't be any particular bill to pay. If they're a long term investor then they can wait for it to come back. (A similar argument could be made for larger drops.) The real suffering comes from whatever effect there is on the rest of the economy due to a recession, more layoffs, etc.Read on HN ↗