Guido Appenzeller

speaker

1,314 appearances 8 recordings 1 series first heard May 2025 last heard 15 Jul

Guido Appenzeller’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 4 in all, peaking in Jul 2026 with 1.

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The a16z Show · The $3 Trillion AI Coding Opportunity · 9 Dec 2025 podcast

We wouldn't understand all the challenges yet at the beginning, right?

We'd have to revisit the design.

We have to revisit the architecture that has cost implications and so on.

So at some point, you sort of need to go back to the architects and the product managers and say, hey, we had a plan A, didn't quite work, or we have found new challenges.

So here's our updated plan A.

Is that the, you know, or plan B, right?

Is this what you want to do?

So I I think the loop will still be there.

The timescales will probably change, but yeah, it's very very hard to guess right now.

Right, we cut off the

When I used to write something just for myself, like a little script I need somewhere in the past, I usually didn't include unit tests, right?

For production code it's different, but for just personal things, you know, it's like, Yeah, that's a single developer, I know what I'm doing here.

With agents, I now start including unit tests because they're so much easier to write.

And they allow an agent, as you said, right, to understand if the changes that they did did broke anything else.

Right.

And they may not have the context how this originally was built anymore and an easy to test perform.

So that's super valuable.

So look, I'm I'm I've

I'm I'm talking about a hundred or so enterprises about this per year, just when we, you know, take our portfolio companies to them as potential customers.

What I'm hearing from them is that the number one use case in terms of ROI right now is legacy code porting.

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