BUILDERS podcast

How Vinci4D captured existing budget line items instead of creating new demand from scratch | Hardik Kabaria

5/27/2026
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Vinci4D is building the foundation model for the physical world — starting with heat transfer in semiconductor and electronics engineering. Approximately three years into the journey, the team has shipped a product now in use by engineering teams at top-tier semiconductor and electronics companies. In a recent episode of BUILDERS, we sat down with ⁠Hardik Kabaria⁠, CEO and Co-Founder of ⁠Vinci4D⁠, to learn how he chose his beachhead, how he thinks about physics as infrastructure, and what the GTM motion looks like when you're selling something the market has never bought before.

Topics Discussed: 

  • The two-axis framework Hardik used to select heat transfer in semiconductors as Vinci4D's beachhead 

  • Why Vinci4D's physics foundation model is built ground-up and cannot be replicated by adapting a language model 

  • The three competitive buckets in physics simulation — and why the legacy category is structurally constrained, not just underserved 

  • How Vinci4D's usage-based pricing model maps to an infrastructure framing rather than traditional enterprise software 

  • The "moment of authority" — the behavioral signal that tells Vinci4D a customer has converted from evaluation to dependency

  • Why whiteboard sessions with engineering teams matter more than conference presence for this category 

  • The long-term vision: physics as infrastructure, judged on throughput the way a database or data center is judged

GTM Lessons For B2B Founders: 

  • Score your beachhead on two axes before committing. Hardik didn't pick heat transfer in semiconductors because it was the biggest market — he built a two-axis framework. The first axis: how urgently does the world need to solve this problem, and how fast is the part creation rate? The question he raised was pointed: how many new semiconductor chips launch per year versus how many new aircraft? The second axis: how critical is that specific physics domain to the product's performance metric? Heat transfer in semiconductors hit hard on both — thermal performance is a direct limiter on how fast a chip can run, and manufacturing complexity in semiconductors spans seven orders of magnitude of feature size, from nanometer to centimeter. His forcing question: even if Vinci didn't exist, would the world be forced to solve this? If the answer is an emphatic yes, that's the opening. It may be small, but you can run your train through it.

  • The supply chain is your expansion map — if you pick the right beachhead. Hardik noted that semiconductors sit at the center of every hardware system: phones, laptops, cars, AI training, AI inference. That centrality creates a natural commercial motion. Vinci4D's semiconductor customers are already introducing them to the downstream board-level engineering teams. The beachhead choice wasn't just about where to win first — it was about which win would create the most upstream and downstream pull. Founders building horizontal technology should pressure-test their beachhead by asking: does winning here open doors, or does it create a silo?

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