AI may feel like software, but its newest constraint is very physical. Amazon CEO Andy Jassy said AWS cloud capacity is largely sold out through 2027, with significant customer commitments already extending into 2028. [1]
The simple picture
| 2026 | AI demand keeps pressing available cloud capacity |
| 2027 | AWS says capacity is largely sold out |
| 2028 | Major customer commitments already reach this far |
Why this matters
The AI race is no longer only about who has the best model. It is also about who can secure enough computing capacity to run those models at scale. Jassy said demand from both AI labs and enterprise customers is growing faster than AWS can add supply. [1]
That changes how to think about the boom. Cloud capacity is becoming something companies reserve years ahead, not simply something they switch on when needed. [1]
The takeaway
AI looks weightless on a screen. Behind it is a scarce stack of servers, data centers and computing capacity. The next phase of AI may be shaped as much by who can build and reserve that infrastructure as by who writes the smartest software. [1]
Sources: [1] Reuters, “Amazon cloud capacity sold out through 2027, CEO Jassy says,” Oct. 23, 2026; Eric Stoynov, Unsplash, “Two server racks filled with electronic components and wires,” Apr. 6, 2026.
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