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MosaicML

Updated Mar 24, 2026

Everything you need to know about MosaicML — from their $63M in funding to who's backing them.

🇺🇸United StatesAcquiredFoundation Models

Out of 100

🇺🇸

HQ

United States

🗓

Founded

2021

💰

Raised

$63M

🏷️

Stage

Acquired

👥

Team

75

MosaicML was a foundation model company founded in 2021 that focused on training and deploying large language models efficiently. The company developed technologies and tools for optimizing the training and inference of foundation models, addressing the computational costs and resource requirements associated with building AI systems at scale. MosaicML's core offering centered on its platform

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Key Facts

  • MosaicML is valued at $1.3B as of March 2026.
  • MosaicML has raised a total of $63M in disclosed funding across 3 funding rounds.
  • MosaicML was founded in 2021 by Naveen Rao and is headquartered in United States.
  • MosaicML employs approximately 75 people.
  • MosaicML operates in the Foundation Models category and is currently at the Acquired stage.
  • MosaicML has an Awaira Score of 65/100, ranking it among the tracked AI companies on Awaira.
  • MosaicML's most recent funding round was a Series B of $35M closed in July 2022, led by Sapphire Ventures.

Source: Awaira · Updated Mar 24, 2026

$1.3B

Post-money

$63M

All rounds

65/100

2021

75 employees

Strengths

Unicorn status with $1.3B valuation

Strong Awaira Score of 65/100

Based in the US, the world's largest AI market

Analysis based on publicly available data. Not investment advice.

3

Total Rounds

$30M

Avg Round Size

1.5yr

Funding Span

MosaicML raised 3 rounds over 1.5 years, averaging $30M per round — a pace of roughly one round every 6 months.

⚠️ ESTIMATE
💵Est. Annual Revenue
$50M–$500M estimated ARR

Awaira estimate based on public data. Not financial advice.

How does MosaicML stack up against competitors?

MetricMosaicMLOpenAIAnthropicDeepSeek
Awaira Score65/10098/10095/10092/100
Total Raised$63M$127B$67B$1.1B
Valuation$1.3B$852B$380BN/A
StageAcquiredPrivateSeries GCorporate
Founded2021201520212023
Employees754,0003,000150
Country🇺🇸🇺🇸🇺🇸🇨🇳
N

Naveen Rao

Co-Founder (Former CEO)

View founder profile →
StageAcquired
Employees75
Country🇺🇸 United States
Connect
Inactive
3 rounds
Series BLatest

Led by Sapphire Ventures

$35M

Jul 2022

Series A

Led by Greylock

$25M

Oct 2021

Seed

Undisclosed

Jan 2021

Frequently Asked Questions

What is MosaicML's valuation?
Based on the most recent funding round, the valuation sits at $1.3B.
Who invested in MosaicML?
Known backers include Sapphire Ventures, Greylock, Lightspeed Venture Partners, Redpoint Ventures. These investors have supported the company through various funding rounds.
When did MosaicML last raise funding?
Last raise: a Series B of $35M in July 2022. The round was led by Sapphire Ventures.
How many employees does MosaicML have?
The headcount sits at approximately 75 employees, based in United States.
What does MosaicML do?
MosaicML was a foundation model company founded in 2021 that focused on training and deploying large language models efficiently. The company developed technologies and tools for optimizing the training and inference of foundation models, addressing the computational costs and resource requirements associated with building AI systems at scale. Founded in 2021, MosaicML is categorized under Foundation Models.
Who founded MosaicML?
Naveen Rao founded the company in 2021 in United States. Naveen Rao serves as Co-Founder (Former CEO).
Is MosaicML profitable?
Profitability details aren't publicly disclosed. The company has raised $63M in total funding and is currently at the Acquired stage.
Where is MosaicML headquartered?
Headquarters are in United States 🇺🇸. The company operates in the Foundation Models sector and was established in 2021.
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