The brief
- Passed $150M in annual recurring revenue in February 2026, two years after its public launch.
- Raised $950M in May 2026 at a valuation above $15B, led by Tiger Global and GV.
- Customers include SiriusXM, ADT, Cigna, Rocket Mortgage, Nordstrom and Rivian; more than 40% of the Fortune 50.
Technical approach
Many models behind one agent
Agents draw on more than 15 open and proprietary models rather than depending on a single lab.
From code to plain-English specs
Developers use the Agent SDK, business teams Agent Studio; Ghostwriter builds an agent from a written procedure or call transcripts.
Paid per outcome
Customers pay when an agent actually resolves an issue or completes a business goal, not per message or per token.
Simulated customers
Its tau-bench benchmark has AI play a customer against the agent many times, measuring whether it follows policy consistently, not just once.
