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The insurancelayer for AI

What we do

AI liability coverage for companies deploying AI. We assess your systems technically, certify them against recognized standards, and will place coverage that closes enterprise deals instead of stalling them.

The problem

AI is being deployed fasterthan it can be insured.

Companies are shipping AI agents, chatbots, and autonomous workflows into production every day. Each one makes decisions. Every decision carries liability.

Our Solution

Keythorn stands betweenthe companies deploying AIand the coverage they can't get.

AI Companies

Cover the risk your AI actually creates. Close the deals that stall on liability, enter regulated industries, and answer procurement before it asks. Backed by technical underwriting, not legacy assumptions.

Get your assessment

Insurance Carriers

Access a line you can't yet evaluate in-house. We source, assess, and will technically underwrite AI risk for your paper, and our early capacity partners shape the box.

Partner with us
Our Mission

Insurance is how progress gets permission.
Every leap forward needed someone willing to underwrite the risk.

Insurance for
ShipsEst. 1347
FireEst. 1681
AutoEst. 1897
AviationEst. 1911
CyberEst. 1997
AINow, with Keythorn

We're building the insuranceinfrastructure for the AI economy.

The team

Built by MIT teamBacked by a16z speedrun

Casey Tewey and Michael Wong, Keythorn's founders, at a16z speedrun
Casey Tewey, Co-founder & CEO

MIT '25, varsity baseball.

Michael Wong, Co-founder & CTO

MIT '25, varsity swimming.