AI startup JuliaHub raises $65M to rival Simulink

Ina Fried

Illustration of a robot wearing a driver's cap, a trucker hat, a train engineer hat, and a cabbie hat. — Illustration: Aïda Amer/Axios

Former Snowflake CEO Bob Muglia, a longtime Microsoft server boss, is backing JuliaHub, a startup that sees a role for AI agents designing complex products such as cars and airplanes.

Why it matters: JuliaHub is betting AI plus Julia, the open-source technical computing language, can challenge Simulink, MathWorks' decades-old tool for modeling and simulating complex systems.

Driving the news: JuliaHub announced $65 million in Series B funding alongside Dyad 3.0, the latest version of its software for modeling and simulating complex systems.

The round was led by Dorilton Capital, with participation from General Catalyst, AE Industrial Partners and Muglia, an existing investor.

What they're saying: Muglia said JuliaHub aims to harness agentic coding tools while still offering the kind of precision needed for complex hardware design.

"The physical world needs mathematical certainty attached to what it's doing," Muglia told Axios. "And that's what Dyad provides."

Yes, but: Muglia, who spent 23 years at Microsoft and served as Snowflake CEO from 2014 to 2019, acknowledges there is a lot of work ahead if JuliaHub wants to unseat the incumbent.

"Simulink has been around for 20 years," he said. "It has a lot of surface area and we haven't covered it all yet by any means."

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AI startup JuliaHub raises $65M to rival Simulink

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