AI Development Platform Vellum Raises $20 Million in Series A Funding

Led by founders Akash Sharma(CEO), Sidd Seethepalli(CTO), and Noa Flaherty(CTO), Vellum has announced a funding of $20 million in Series A led by Leaders Fund, with participation from Y Combinator, Socii Capital, Rebel Fund, Pioneer Fund, and Eastlink Capital.

Vellum is a comprehensive enterprise platform for building, testing, and deploying mission-critical AI products. It enables teams to define workflows through a visual UI and SDK, conduct rigorous evaluations, deploy safely with version control, and monitor live performance with real-time feedback for continuous improvement.

Vellum enables test-driven development for AI by unifying build, test, deployment, and monitoring on a single, versioned platform. It enforces quality standards, supports fast iteration, and aligns engineers and product teams through shared tools and workflows.

Vellum helps teams move fast without compromising quality by enabling secure, reliable AI development across industries. Swisscom uses it to support AI in banking and government. Drata automates GRC for 7,000+ tenants. Redfin scaled “Ask Redfin” across 14 markets. DeepScribe cuts note revision time by 20–40%. Rely Health deploys healthcare agents in days. Rentgrata launched a chatbot with airtight accuracy. GravityStack accelerated credit agreement reviews by 200%.

Vellum is becoming the standard foundation for building reliable, production-grade AI. With new backing from Leaders.vc, the platform will scale proven deployment success, accelerate time to production, expand into new verticals and geographies, and power an increasing range of core AI use cases.