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How Tagbin’s BRIXX uses AI to simplify building design and planning At TechSparks 2026, Tagbin Co-founders Saurav Bhaik and Ankit Sinha demonstrated how BRIXX uses natural-language prompts to bring architectural design, construction planning, and cost estimation together on a single platform. Cost overruns, project delays, and disconnected design processes remain major challenges in India’s construction industry. At TechSparks 2026, Co-founders Saurav Bhaik and Ankit Sinha, the company's CEO and CTO, respectively, demonstrated how their AI-powered product, BRIXX, aims to address these problems. BRIXX brings architectural drawings, building information modelling (BIM), mechanical, electrical and plumbing (MEP) systems, and project costing into a single workflow that users can control through natural-language prompts. “Construction is one of the least digitized industries, despite its scale. The two major problems we are trying to solve are cost and time overruns. Design systems often operate separately, with architectural drawings, MEP plans, and cost estimates unable to communicate with one another,” Bhaik said. He explained that conventional design processes rely heavily on two-dimensional drawings. BIM adoption, meanwhile, remains limited because the software requires specialised expertise to use. Building regulations that differ across states and municipalities add to the complexity. BRIXX aims to simplify the process by allowing users to describe a building in plain language or upload an image as a reference. The platform then generates building models, incorporates applicable regulations, estimates project costs, and creates construction schedules. From prompts to building models During the demonstration, Sinha showed how BRIXX could use an image reference to generate a three-dimensional building information model complete with structural elements, foundations, and excavation plans. The system also incorporated MEP components, including electrical layouts, plumbing, and heating, ventilation and air-conditioning systems. “BIM is daunting because every discipline has its own experts and tools. What we are trying to build is a solution that brings the entire ecosystem into one tool and lets you simply talk to it,” Sinha said. Unlike conventional 3D visualisations, BIM models contain information about individual building elements, including structural properties and fire ratings. During the demonstration, BRIXX also took soil-bearing strength and the water table into account while generating foundations and excavation plans. Sinha then showed how users could modify designs through additional prompts. In one example, he asked the system to add a tower connected by a skybridge. The platform regenerated the model to reflect the changes. Bringing design, execution, and costs together Another part of the demonstration showed how BRIXX could coordinate different building systems. Changes that would traditionally require revisions across several drawings could be made through a single prompt. “Every element in the building needs to be accounted for, from columns and beams to electrical systems, excavation, and labour. All of this comes together in the bill of quantities. The idea is to connect the entire process, so design changes, technical requirements, and costs are reflected in one place,” Sinha said. The demonstration ended with a bill of quantities (BOQ) that estimated the showcased project’s cost at approximately Rs 95 crore. Edited by Megha Reddy
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