James Reggio

speaker

667 appearances 1 recordings 1 series first heard Jan 2026 last heard 17 Jan

James Reggio’s voice in public audio — every appearance, attributed to the second.

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Latent Space: The AI Engineer Podcast · Brex’s AI Hail Mary — With CTO James Reggio · 17 Jan 2026 podcast

Um Langchain didn't do it?

It I mean at that time it didn't.

I think it was really I think it was Well they fixed that.

Yeah, no, they certainly did.

They certainly did.

But but but so like we we did I'm trying to remember because this is now ancient history.

Uh we evaluated Langchain.

Turned off of it, built our own thing.

And then as we were looking, we we kind of want to deprecate this internal framework that we built because at the end of the day, it's not leveraged for us to maintain that.

Uh and Mastro ended up

Fitting the bill for um

for the the feature set that we were looking for.

And I think what what's been interesting is about half of the the applications that we're we're building right now um on the the agent layer are running on Mastra and then the other half are actually still running on like yet another internally developed framework, which is a framework that's focused more on networks of agents.

So sort of multi agent orchestration versus more like strict uh like

you know, single turn or uh like workflows which are easier to use, like either Langgraph or Mastra.

Yeah, yeah.

So it's funny.

I I I a big big reason why we haven't written more about this is that it continues to evolve quite a bit.

And I I feel like we we actually had a blog post that we were going to put out in conjunction with the fall release, uh talking about how we built this.

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