GPUs age like fine wine — until someone asks who keeps paying
From the AI digest for Oct 25, 2026
Sources Elon Musk (repost of NVIDIA AI Infrastructure) Elon Musk (stranded compute) Elon Musk (depreciation reply)
What happened: Musk amplified two a16z chart posts on X on October 24–25, 2026: rental rates for NVIDIA GPUs are up across the board since January 1 — a16z's approximate year-to-date figures are H200 +160%, B200 +120%, RTX PRO 6000 +65%, H100 +35%, with even the six-year-old A100 renting above its price at the start of the year — and, zoomed out, GPUs still renting ahead of a standard six-year depreciation schedule (H200 +143%, B200 +111%, RTX PRO 6000 +73%, H100 +54%, A100 +9%, with most of the gap opening after April as token demand took off). Musk's caption: NVIDIA AI infrastructure "is a durable, investable asset that retains value." Hours later he volunteered the downside in his own voice, replying to a question about data-center supply: "I think we're going to see a lot of stranded compute in partially complete data centers." And on the reply chains the next morning (October 25, ~11:43 AM ET), Musk pushed back on the depreciation framing itself in the debate the charts kicked off: "Accounting depreciation is irrelevant (true depreciation is not). Delivering on projected cash flow is what matters" (Elon Musk (depreciation reply)).
What's genuinely new: Specific dated GPU-rental percentages, including a six-year-old chip renting above its January 2026 price and rentals beating the standard depreciation schedule — concrete numbers on the storyline's "who pays for the buildout" question, arriving the same weekend SpaceX's own disclosure that AI infrastructure brought in $7.6B (52% of Q3 revenue) was already circulating. Musk's stranded-compute line is the first oversupply warning from the loudest name in the buildout itself. All of it is X-grade commentary and chart-craft, not measured market data; the October 22 Axios token-price charts remain the only empirical pricing read so far.
Watch: Whether a GPU-rental index joins token prices as a quoted benchmark, whether the stranded-compute worry shows up in any of the financing storylines (CoreWeave-style distressed compute debt, Terafab-style buildout plans), whether the a16z rental figures get corroborated by a second source with methodology, and whether the cash-flow-over-depreciation argument reaches any mainstream analyst treatment.