Beam AI vs Mighty Buildings
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $30.5M Series B (Nov 2025) led by Insight Partners. $48M total. 1,100+ contractor customers. 100% automated construction quantity takeoffs across major trades.
About
Beam AI (product name Attentive.ai) is an AI construction platform delivering fully automated quantity takeoffs for major construction trades, eliminating the manual measurement and estimation work that traditionally consumes weeks of estimator time before a construction bid can be submitted. The company raised $30.5 million in Series B financing in November 2025 led by Insight Partners, bringing total funding to $48 million and its customer base to 1,100+ contractor companies.
Mighty Buildings is a construction technology company using 3D printing and robotics to manufacture prefabricated modular homes faster and cheaper than traditional construction. HQ: Oakland, CA.
About
Mighty Buildings is a construction technology company developing a new model for residential home building through proprietary 3D printing technology, robotic manufacturing, and advanced composite materials. Founded in 2017 in Oakland, California, the company prints structural building components using its proprietary Light Stone Material (LSM) — a composite that cures rapidly under UV light, enabling automated, precise fabrication of wall panels, structural elements, and entire home modules in its manufacturing facility. These components are then assembled on-site, dramatically reducing both construction time and labor costs.
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