Sierra AI
🔥 HOTA deep look at Sierra AI's finances, team, and market position in the AI Agents space.
Awaira Score
Out of 100
HQ
United States
Founded
2023
Raised
$635M
Stage
Series C
Team
150
About Sierra AI
Sierra AI builds conversational AI agents designed to serve as the primary customer experience layer for consumer brands, replacing traditional chatbots and interactive voice response systems with autonomous agents capable of handling complex, multi-turn interactions. Co-founded in 2023 by Bret Taylor, former co-CEO of Salesforce and chairman of the board at OpenAI, alongside Clay Bavor, a former…
Key Facts
- Sierra AI is valued at $10B as of March 2026.
- Sierra AI has raised a total of $635M in disclosed funding across 3 funding rounds.
- Sierra AI was founded in 2023 by Bret Taylor and is headquartered in United States.
- Sierra AI employs approximately 150 people.
- Sierra AI operates in the AI Agents category and is currently at the Series C stage.
- Sierra AI has an Awaira Score of 92/100, ranking it among the top tier AI companies on Awaira.
- Sierra AI's most recent funding round was a Seed of $110M closed in February 2024.
Source: Awaira · Updated Mar 24, 2026
Valuation
$10B
Post-money
Total Raised
$635M
All rounds
Awaira Score
92/100
Founded
2023
150 employees
Strengths & Risks
Strengths
Unicorn status with $10B valuation
Elite Awaira Score of 92/100
Growing team of 150 employees
Considerations
Very early stage — limited track record
Analysis based on publicly available data. Not investment advice.
Funding Velocity
3
Total Rounds
$241.67M
Avg Round Size
1.1yr
Funding Span
Sierra AI raised 3 rounds over 1.1 years, averaging $241.67M per round — a pace of roughly one round every 4 months.
Awaira estimate based on public data. Not financial advice.
How does Sierra AI stack up against competitors?
Competitor Comparison
| Metric | ★Sierra AI | Kore.ai | Fireflies AI | LlamaIndex |
|---|---|---|---|---|
| Awaira Score | 92/100 | 90/100 | 82/100 | 78/100 |
| Total Raised | $635M | $300M | $19M | $27.5M |
| Valuation | $10B | $1B | $1B | $93M |
| Stage | Series C | Series C | Series A | Series A |
| Founded | 2023 | 2014 | 2016 | 2022 |
| Employees | 150 | 1000+ | 150 | 75 |
| Country | 🇺🇸 | 🇮🇳 | 🇺🇸 | 🇺🇸 |
Funding Rounds
Inactive$110M
Feb 2024
$465M
Jan 2024
$150M
Jan 2023
Sierra AI Latest News
Sierra AI CEO Bret Taylor on Agents, Loyalty, and Distribution - Skift
Sierra's Bret Taylor: AI Agents Will Kill Button-Clicking - The Tech Buzz
Sierra’s Bret Taylor says the era of clicking buttons is over - TechCrunch
The AI leaderboard: Where are the biggest companies are in SF - The San Francisco Standard
Salesforce Agentforce Executive Departs for Rival Sierra - The Information
Open Positions at Sierra AI
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