Startups
Sail is the most cost-efficient API for the best open-source models. Sail now has the best direct API pricing in the world for DeepSeek V4.1 Flash: 3.3x less for realtime, 6x less for async vs. other providers. Start with $5 in monthly free credits.
Overview
Location
United States
Total raised
$160M
Funding Rounds 2
| Date | Series | Amount | Investors |
| Sign up to see | Sign up to see | Sign up to see | Sign up to see |
| Jun 25, 2026 | Series A round | $80M |
Mentions in press and media 4
| Date | Title | Description |
| Sign up to see | Sign up to see | Sign up to see |
| Jun 25, 2026 | Sail Research raises $80M to optimize long-horizon AI agents | Artificial intelligence inference startup Sail Research Inc. today announced that it has raised $80 million in funding at a $450 million valuation. The company received the bulk of the capital in the form of a Series A round led by Sequoia.... |
| Jun 25, 2026 | Sail Research Raises $80M in Seed and Series A Funding | Sail Research, a San Francisco, CA-based infrastructure company purpose-built for long-horizon AI agents, raised $80M in Seed and Series A funding, at $450M valuation. The Series A was led by Kleiner Perkins, and the Seed was led by Sequoia... |
| Sail Research | “Sail is an AI inference platform optimized for throughput for long-running background and agentic AI workloads, running leading open-source models on demand with $5/mo free credits.” |
Reviews 0
FAQ about Sail Research
How much funding has Sail Research raised?
Sail Research has raised $160M in total across 2 funding rounds.
What funding rounds has Sail Research raised?
Parsers VC lists 2 funding rounds of Sail Research, among them a Series A round of $80M on Jun 25, 2026.
What has the press written about Sail Research?
Parsers VC has collected 4 articles mentioning Sail Research, among them “Sail Research raises $80M to optimize long-horizon AI agents” (Jun 25, 2026) and “Sail Research Raises $80M in Seed and Series A Funding” (Jun 25, 2026).
Is Sail Research still active?
Yes, Sail Research is active; its latest activity on Parsers VC dates from Jun 25, 2026.