Musk just confirmed his rival's $150 million monthly rent check

One word from the landlord

Elon Musk answered a question about a rival's rent with one syllable. Replying early Wednesday to a post claiming Beam↗, the open model Reflection AI unveiled Monday, was "trained on SpaceXAI's Colossus Compute," Musk wrote: "Yup." ¹ The landlord had confirmed his newest tenant by name, on his own network, and the product in question is a 501-billion-parameter model, 23 billion active, whose full weights ship free this month. ²

$150 million a month for a free model

Reflection pays SpaceX $150 million a month, from July 1, 2026, through 2029, for Nvidia GB300 capacity at Colossus 2 near Memphis, a deal worth up to $6.3 billion with a 90-day exit clause↗. ⁴ Beam was pretrained on 6,144 GB300s in under four weeks, then run through reinforcement learning on 10,500 more; the result ships under an Apache 2.0 license, free to download. ³ Nvidia, Sequoia and Lightspeed have about $4.7 billion in, at a $25 billion pre-money valuation. ² Chief executive Misha Laskin: "The only way to own intelligence is, by definition, if it's open." ³

Reflection is paying $150 million a month for the right to give its model away.

The smallest check on the roster

Set against the cluster's other tenants, Reflection is spare change. Anthropic pays $1.25 billion a month, Google $920 million, and a September signatory SpaceX has never named is good for $1.1 billion a month from December↗. ⁵

$40 billion borrowed against the rent

The chip bill behind those checks is being financed. SpaceX is seeking about $40 billion, roughly $10 billion in bank loans and $30 billion in investment-grade debt, with Apollo expected to lead and Pimco among the lenders in talks; closing is pencilled in for 2027. ⁷⁸ Musk says Colossus 2 could grow from 550,000 chips to 1.21 million by late December, "if we get lucky." ⁶ SPCX, public since a record $86 billion June listing, closed Tuesday at $171.92 and slipped about 1 percent after hours on the report↗. ⁷⁸

The exits cut both ways

Almost every Colossus contract can be walked away from after a short period, finance chief Bret Johnsen said last month, and Reflection's fuse is 90 days. ⁵ The bull reply: instant capacity has been scarce enough that Anthropic and Google paid roughly triple the going rate, in one analyst's estimate, and the cluster was built for SpaceXAI's own Grok, so a departing tenant's chips simply go home. ⁶⁴

Can a free model pay the rent?

Beam's weights land this month, and another 220,000 GB300s are due "fully operational next week," in Musk's words. ⁶ Underneath the $40 billion sits one question: can a model given away earn enough, from the enterprises and governments Reflection targets, to keep paying rent on chips bought with borrowed money. ²