The Pulse
Lovable acquires Sutro to make software easier to explain and easier to trust
Lovable says it has acquired Sutro, adding the startup’s programming-language, compiler and backend expertise to its application-building company. Sutro founder Tomas Halgas and engineers Max Gfeller, Tony Zhan and Hirad Arshadi are joining
AI.info Team ·
Lovable has acquired Sutro, adding the smaller company’s work on programming languages, compilers and backend platforms to its application-building business. Lovable announced the acquisition on September 18, 2026, saying the deal is intended to make software easier to understand and easier to trust as more people build and deploy applications.
The announcement centers on the growing distance between creating software and understanding how that software behaves. Lovable says people should be able to know what a system can do, what it will do and why, without having to untangle all of the complexity underneath it.
Sutro Spent Five Years Building Software Rules
According to Lovable, the Sutro team spent five years building a language, compiler and backend platform that made application behavior and rules explicit. The company describes that engineering as focused on security and reliability.
The emphasis on explicit rules reflects a view that software should make its behavior easier to inspect and understand. Rather than leaving developers and operators to reconstruct a system’s logic from multiple layers of implementation, Sutro’s work was designed to represent how applications behave more directly.
Lovable connects that work to the needs of people who rely on software to run their businesses. As application creation becomes more accessible, the company says, the software produced through those tools still needs to be reliable and trustworthy.
Sutro Team Joins Lovable
Sutro founder Tomas Halgas is joining Lovable along with three Sutro engineers: Max Gfeller, Tony Zhan and Hirad Arshadi. Lovable says the four bring technical expertise from Sutro’s work on its language, compiler and backend platform.
Halgas will lead Lovable’s technical evangelism. In that role, he will continue work aimed at making the way technology operates understandable to the people building with it. Lovable presents that responsibility as a continuation of the purpose behind Sutro’s work.
The announcement does not identify a separate product launch, provide a timetable for integrating Sutro’s technology or describe specific changes to Lovable’s application-building platform. It identifies Sutro’s language, compiler and backend platform as the foundation of the team’s technical contribution, but gives no further implementation details.
Trust and Understanding
Lovable says the acquisition comes as more people build and ship software through tools that reduce the technical barriers to application development. The company argues that understanding the resulting software should become as straightforward as creating it.
That means making application behavior and rules clearer while the platform handles more of the underlying complexity. Lovable says people should be able to trust the software they build to run their businesses, with security, reliability and explainability treated as connected requirements.
For now, the disclosed outcome is the addition of the Sutro team. Halgas will lead technical evangelism, while Gfeller, Zhan and Arshadi join Lovable with experience developing the systems Sutro built over five years.