Sail Research
Sail Research sells cost-efficient inference and long-running sandboxes purpose-built for AI agents that work for hours or days.
Raised $80M across disclosed rounds.[2][3][6]
Series A closed June 2026, led by Kleiner Perkins.[2][3][6]
Round size and post-money valuation are not publicly disclosed.
Named investors include Kleiner Perkins, Sequoia, Redpoint Ventures, Theory Ventures, Vine Ventures, CRV, A*, Abstract Ventures.[2][3][6]
Neil Movva, Co-founder and CEO[2][6][9][23]
Samir Menon, Co-founder and CTO[2][6][9][23]
Allison Kiang, Head of Business Development[11][23]
Baseten · baseten.co · Same buyer and same job: developers choosing a cost-efficient inference provider for large-scale model serving, with Baseten recently raising $1.5 billion at up to a $13 billion valuation.[3]
RunPod · runpod.io · Same buyer and same budget line: teams running agent workloads can rent raw GPU compute from RunPod instead of paying Sail's per-token inference, named as an alternative attacking the same cost problem.[3]
Fractile · fractile.ai · Same job to be done: cutting the cost of running AI inference, though via custom silicon rather than software optimization, named in the same market analysis as an alternative approach.[3]
The customer proof is company-sourced only. No independent source in this ledger confirms it.[9]
Ask for one referenceable production customer.
Not a recommendation. The first thing this ledger cannot answer.
Filled in the side panel for invited readers. This card carries sourced facts only.
Edition 2Aug 25 2026current
Since edition 1
- Stage not found to Series A
- Raised not found to $80M
- Headcount 9 to 16
- New person Allison Kiang, Head of Business Development
- New signal Sail Research launches Sailboxes, cloud environment purpose-built for long-horizon AI agents · Jul 2026
- New signal Sail Research emerges from stealth with $80 million from Kleiner Perkins · Jun 2026
- Sources 5 → 23 (18 new, 1 not used)
- Edition 1Jun 23 2026Earliest saved edition
Aug 2026 · fortune.com
reported
Aug 2026 · morningstar.com
reported
Aug 2026 · finance.yahoo.com
reported
Aug 2026 · streetinsider.com
reported
Aug 2026
vendor
Jun 2026 · sailresearch.com
company
Jun 2026 · sailresearch.com
company
Sail Research
Sail Research sells cost-efficient inference and long-running sandboxes purpose-built for AI agents that work for hours or days.
Ask for one referenceable production customer.
Not a recommendation. The first thing this ledger cannot answer.