Bret Taylor’s AI startup, Sierra, is raising $9 and 50 million in a funding round led by Tiger Global and GV, according to TechCrunch.
The capital injection pushes Sierra's post-money valuation above $15 billion. The company stated it intends to use the funds to establish itself as the “global standard” for AI-powered customer experiences.
This latest round brings Sierra’s total available capital to more than $1 billion. The startup is currently scaling its platform to handle billions of interactions, ranging from mortgage refinancing and insurance claims to managing returns and nonprofit fundraising.
Rapid revenue growth
Sierra has experienced significant growth in its annual recurring revenue (ARR) over the last several months. TechCrunch reported that the company hit $100 million in ARR in late November and reached $150 million in ARR by early February.
The company's expansion follows a period of early-stage development where it operated with just four design partners. Today, Sierra claims that more than 40% of the Fortune 50 companies are among its customers.
While the long-term goal for agentic AI is to drive higher revenue and lower costs for clients, the initial implementation phase can be expensive. Bret Taylor, who serves as chairman of OpenAI and was formerly co-CEO of Salesforce, noted that the ramp-up phase can be pricey before returns materialize.
This financial pressure is already being felt by major enterprises. During a TechCrunch event, Uber CTO Praveen Neppalli Naga told editors that the company “blew through our [AI] budget” shortly after adopting agentic AI tools late last year.
Despite the high costs, Naga noted that the company is seeing meaningful results. Approximately 10% of all code produced by Uber’s 8,000-person engineering staff is now generated using AI tools.