# Sail Research Raises $80M to Build Agent Infrastructure

> Source: <https://letsdatascience.com/news/sail-research-raises-80m-to-build-agent-infrastructure-4d04dbdf>
> Published: 2026-06-25 17:22:05+00:00

According to Sail Research's announcement, the San Francisco startup raised **$80,000,000** in combined Seed and Series A funding. The company said its seed was led by **Sequoia Capital** and the Series A was led by **Kleiner Perkins**, with participation from **Redpoint Ventures**, **Theory Ventures**, **Vine Ventures**, **CRV**, **A*** and **Abstract Ventures**. **Fortune** reported the deal values Sail at **$450 million**. Sail's blog and coverage in The Next Web describe the product as infrastructure optimised for long-horizon AI agents, claiming up to **10x** lower cost-per-token through custom chips, inference engines, and a global controller. Angel investors named in the announcement include **John Hennessy**, **Lip-Bu Tan**, and **Tri Dao**, and Sail listed early customers deploying agent workloads.