Martin Casado on the Demand Forces Behind AI
The a16z Show
a16z
4.2 • 1.2K Ratings
🗓️ 21 January 2026
⏱️ 28 minutes
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| 0:00.0 | What's going to happen to central buyers and platform teams and IT teams if agents are making the decision? |
| 0:11.0 | It's very clear that coding is pretty much dead, but engineering is very much not. |
| 0:19.0 | Every time you have a technical epoch, you have to redo everything, |
| 0:21.6 | and we forget that every time. |
| 0:23.6 | I don't think people even have a common definition of a bubble. |
| 0:27.6 | If AI demand is real and accelerating, |
| 0:30.6 | why does everything still feel constrained? |
| 0:33.6 | Why does a technology that's clearly delivering value |
| 0:35.6 | also feel harder to scale than expected? |
| 0:38.6 | We've seen this pattern before. In early technology shifts, it was easy to assume the hard problems |
| 0:44.0 | were solved. Infrastructure was treated as finished, then usage surged. Systems built for a smaller world |
| 0:50.3 | began to fail. Networks strained, power, physical footprint, and coordination became |
| 0:55.4 | first-order constraints again. Each new technical epoch forced a rebuilding of the stack. |
| 1:01.3 | AI is creating that moment now. The demand is not speculative. Companies are deploying models, |
| 1:06.7 | budgets are moving. Real productivity gains are already showing up, and yet nearly every |
| 1:11.2 | part of the system feels tight. Computer is scarce. Data centers take years to permanent build. |
| 1:17.2 | Power is difficult to secure. Regulation moves far more slowly than the technology itself. |
| 1:22.5 | This has led to two dominant stories. One says we're in an AI bubble. The other assumes |
| 1:27.4 | scale will smooth everything |
| 1:28.4 | out. Neither fully explains what's happening. Demand continues to outpace supply and the biggest |
| 1:34.0 | bottlenecks increasingly sit outside the models themselves. This is especially visible in |
| 1:39.0 | enterprise software. AI is often framed as a threat to SaaS, but SaaS was never hard because of the interface. |
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