Skip to main content
Sierra AI logo

Sierra AI

๐Ÿ”ฅ HOT

A deep look at Sierra AI's finances, team, and market position in the AI Agents space.

Updated Mar 24, 2026

Out of 100

๐Ÿ‡บ๐Ÿ‡ธ

HQ

United States

๐Ÿ—“

Founded

2023

๐Ÿ’ฐ

Raised

$635M

๐Ÿท๏ธ

Stage

Series C

๐Ÿ‘ฅ

Team

150

$10B

Post-money

$635M

All rounds

92/100

2023

150 employees

๐Ÿ’ตEst. Annual Revenue
$50Mโ€“$500M estimated ARR

Awaira estimate based on public data. Not financial advice.

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 formerโ€ฆ

Is this your company? Claim it โ†’

Strengths

โœ“

Unicorn status with $10B valuation

โœ“

Elite Awaira Score of 92/100

โœ“

Growing team of 150 employees

Considerations

!

Very early stage โ€” limited track record

Analysis based on publicly available data. Not investment advice.

Sierra AI is a mega-cap AI company in the AI Agents sector. Founded in 2023, the company is currently at the Series C stage with a team of approximately 150 employees. With $635M in total disclosed funding, Sierra AI has demonstrated the ability to attract institutional capital. The company competes with 3 other tracked AI Agents companies on Awaira, including Kore.ai and Fireflies AI.

Awaira Score

92/100

Valuation

$10B

Total Funding

$635M

Founded

2023

Employees

150

Stage

Series C

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 โ€” a pace of roughly one round every 4 months.

Sierra AI holds unicorn status in the AI Agents space, placing it among the highest-valued private AI companies globally.

Among 3 tracked competitors, Sierra AI ranks #1 by valuation โ€” a metric investors and analysts use to gauge market standing.

Tracking Sierra AI on Awaira provides real-time updates on funding rounds, investor activity, and competitive moves in the AI Agents market.

Metricโ˜…Sierra AIKore.aiFireflies AILlamaIndex
Awaira Score92/10090/10082/10078/100
Total Raised$635M$300M$19M$27.5M
Valuation$10B$1B$1B$93M
StageSeries CSeries CSeries ASeries A
Founded2023201420162022
Employees1501000+15075
Country๐Ÿ‡บ๐Ÿ‡ธ๐Ÿ‡ฎ๐Ÿ‡ณ๐Ÿ‡บ๐Ÿ‡ธ๐Ÿ‡บ๐Ÿ‡ธ
B

Bret Taylor

Founder & CEO

View founder profile โ†’
StageSeries C
Employees150
Country๐Ÿ‡บ๐Ÿ‡ธ United States
Connect
Inactive
3 rounds
SeedLatest

$110M

Feb 2024

Series C

$465M

Jan 2024

Series B

$150M

Jan 2023

Frequently Asked Questions

What is Sierra AI's valuation?โ–พ
As of its latest round, Sierra AI carries a valuation of $10B.
Who invested in Sierra AI?โ–พ
Investor details haven't been made public yet. Check back for updates as new funding rounds are announced.
When did Sierra AI last raise funding?โ–พ
A Seed of $110M represents the most recent capital raise in February 2024.
How many employees does Sierra AI have?โ–พ
Around 150 people work there, with headquarters in United States.
What does Sierra AI do?โ–พ
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 Google executive who led AR/VR initiatives, the company brings unusual executive credibility to the enterprise AI agent space.
Who founded Sierra AI?โ–พ
Bret Taylor established the company in 2023. It's based in United States. Bret Taylor serves as Founder & CEO.
Is Sierra AI profitable?โ–พ
There's no public reporting on profitability. With raised $635M in total funding, the company remains at the Series C stage.
Where is Sierra AI headquartered?โ–พ
Based in United States ๐Ÿ‡บ๐Ÿ‡ธ, the company runs its operations in the AI Agents space and was established in 2023.