# Sierra

> Sierra is a San Francisco company founded in 2023 by Bret Taylor (chairman of OpenAI, former co-CEO of Salesforce) and Clay Bavor (18-year Google veteran). It builds branded, action-taking AI agents for customer experience across chat, voice, email and messaging, and prices on resolved outcomes rather than seats. After raising roughly $1.58 billion, it reached a $15.8 billion valuation in 2026 and counts more than 40% of the Fortune 50 as customers.

## Achievements

- Reached a $15.8 billion valuation within roughly three years of founding.
- Crossed $100M ARR in about seven quarters, then ~$150M by early 2026.
- Signed more than 40% of the Fortune 50 as customers.
- Popularized outcome-based pricing for AI agents - billing per resolution rather than per seat.
- Raised approximately $1.58 billion from investors including Sequoia, Benchmark, Greenoaks, Tiger Global and GV.

## Latest updates

- **2026-05** — Raised $950M led by Tiger Global and GV at a $15.8B valuation.
- **2026-02** — Annual recurring revenue reported at roughly $150M.

## Links

- Website: https://sierra.ai
- LinkedIn: https://www.linkedin.com/company/sierra
- Twitter/X: https://twitter.com/Sierra

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Profile page: https://yespress.io/sierra-charges-only-when-ai-agents-fix-your-problem
Published by YesPress — https://yespress.io
Last updated: 2026-08-07