Luminal Raises $25M Series A to Break AI's Hardware Bottleneck, Led by Standard Capital

Dalton Caldwell sits down with Luminal co-founders Joe Fioti, Jake Stevens, and Matthew Gunton to discuss their Series A led by Standard Capital. Luminal is an AI infrastructure startup that is making high-performance AI inference faster, cheaper, and less dependent on a single hardware platform. Its open-source compiler finds more efficient ways to run models on existing hardware, while its hosted inference platform lets customers benefit from those improvements without managing the infrastructure themselves. What started as a nights-and-weekends project to run models on a laptop grew into a business processing trillions of tokens and millions of images a week. Now, Luminal is expanding across Nvidia, AMD, and specialized chips, helping companies get more performance out of the hardware they already own. In this conversation, Joe, Jake, and Matthew explain why software is a major bottleneck in AI infrastructure, how their compiler searches for faster implementations, and how they turned an open-source project into a business. They also share how they won early customers, why small improvements in caching can dramatically change inference costs, and what it takes to build a small engineering team tackling a deeply technical problem. We discuss: • Getting more performance out of existing chips through better software • Why Nvidia’s software ecosystem is central to its competitive advantage • Using search to find more efficient ways to run AI models • Turning an open-source compiler into a hosted inference business • Scaling customer workloads across image processing and LLM inference • Recruiting engineers who want their work to directly affect customer costs • The future of inference across different types of chips • Why Luminal chose Standard Capital for its Series A Learn more about Luminal: https://luminal.com Explore the open-source compiler: https://github.com/luminal-ai/luminal Connect with the founders: Joe Fioti: https://www.linkedin.com/in/joe-fioti-24a986189/ Jake Stevens: https://www.linkedin.com/in/jake-stevens-/ Matthew Gunton: https://www.linkedin.com/in/matthewjgunton/ About Standard Capital: Standard Capital is the AI-native Series A firm. We lead Series A rounds for the best founders through a fast application and interview process, with transparent terms, no board seats, and ongoing support from experienced partners and founder peers. Apply: https://www.standardcap.com LinkedIn: https://www.linkedin.com/company/standard-capital-ventures/ X: https://x.com/Standard_Cap