Sail Research
Summary active Updated Jun 26, 2026This profile is AI-generated. If you spot an error, please help us fix it by sharing a URL to the correct information.
Investors
Founders
About
Sail Research is a San Francisco-based infrastructure company building an optimized inference stack and stateful sandbox environments designed for long-horizon AI agents — workloads where agents run for hours or days and rack up disproportionate inference cost 123. The company was founded in 2026 by Neil Movva and Samir Menon, and emerged from stealth with $80 million in combined Seed and Series A funding at a $450 million valuation 123.
Disclaimer: This is a lean profile built from initial round coverage and may be expanded as more information becomes available.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2026-06-25 | Seed + Series A | $80M (combined) | Sequoia (Seed) and Kleiner Perkins (Series A) | Redpoint Ventures, Theory Ventures, Vine Ventures, CRV, A*, Abstract Ventures; angels John Hennessy, Lip-Bu Tan, Tri Dao 123 |
The combined raise valued Sail Research at $450 million 12. Proceeds will be used to scale the company’s infrastructure platform, further optimize the inference stack, and expand the team building tools to run complex, long-horizon AI agent workloads more efficiently 13.
What Investors Say
No independently sourced investor commentary verified at this time.
What Founders Say
No independently sourced founder testimonials found at this time.
Sources
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PRNewswire, “Sail Research Raises $80 Million to Build Max-Efficiency Infrastructure for AI Agents,” June 25, 2026. https://www.prnewswire.com/news-releases/sail-research-raises-80-million-to-build-max-efficiency-infrastructure-for-ai-agents-302810497.html↩↩↩↩↩
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SiliconANGLE, “Sail Research raises $80M to optimize long-horizon AI agents,” June 25, 2026. https://siliconangle.com/2026/06/25/sail-research-raises-80m-optimize-long-horizon-ai-agents/↩↩↩↩
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FinSMEs, “Sail Research Raises $80M in Seed and Series A Funding,” June 2026. https://www.finsmes.com/2026/06/sail-research-raises-80m-in-seed-and-series-a-funding.html↩↩↩↩