Scale AI - About the company
Scale AI is a series G company based in San Francisco (United States), founded in 2016 by Alexandr Wang. It operates as a Labeled data to train AI applications. Scale AI has raised $15.9B in funding from investors like Y Combinator, Accel and Tiger Global Management, with a current valuation of $74.1B. The company has 32 active competitors, including 7 funded and 2 that have exited. Its top competitors include companies like Refuel, iMerit and Surge.
Sectors and market segments that Scale AI operate in
Scale AI serves in the High Tech, Native AI market segments.The primary business model of Scale AI are:Company Details
Labeled data to train AI applications. The platform leverages enterprise data to customize generative models. The data engine consists of tools and features to collect, curate and annotate data, and to evaluate and optimize models.
- Website
- scale.com
- Social
- Email ID
- *****@scale.ai
- Registered Address
- San Francisco, California
Key Metrics
Founded Year
2016
Location
San Francisco, United States
Stage
Series G
Total Funding
$15.9B in 10 rounds
Latest Funding Round
Post Money Valuation
$74.1B as on Jan 01, 2026
Investors
Ranked
1st among 32 active competitors
Employee Count
7,256 as on Aug 31, 2026
Similar Companies
Legal entities associated with Scale AI
Scale AI is associated with 2 legal entities given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
GLASS BULLET SOUND COMPANY LLC CIN: 6032576 , United States, Active | Jun 09, 2021 | - | - | - |
SCALE AI, INC. CIN: 812516208 , United States, Active | May 02, 2016 | - | 918 (As on Dec 31, 2024) | - |
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Scale AI's funding and investors
Scale AI has raised a total funding of $15.9B over 10 rounds. Its first funding round was on 2016. Its latest funding round was a Series G round on Jun 12, 2025 for $14.3B. 1 investor participated in its latest round. Scale AI has 57 institutional investors and 12 angel investors.
Here is the list of recent funding rounds of Scale AI:
Filter this list
Filter this listDate of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Jun 12, 2025 | $14.3B | Series G | $29B | - | - | |
May 21, 2024 | $1B | Series F | $13.8B | - | ||
Apr 13, 2021 | $325M | Series E | $7B | - |
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Scale AI's founders and board of directors
Founder? Claim ProfileThe founders of Scale AI is Alexandr Wang. Alexandr Wang is the CEO of Scale AI.
Here are the details of Scale AI's key team members:
- Alexandr Wang: Founder & CEO of Scale AI and founder of 1 other company. They are also an angel investor in 7 startups.Contact Info: 1 email address
View details of Scale AI's Founder profiles and Board Members
Scale AI's employee count trend
Scale AI has 7,256 employees as of Aug 26. Here is Scale AI's employee count trend over the years:
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Scale AI's Competitors and alternates
Top competitors of Scale AI include Refuel, iMerit and Surge. Here is the list of Top 10 competitors of Scale AI, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | Scale AI 2016, San Francisco (United States), Series G | Labeled data to train AI applications | $15.9B | 75/100 | |
2nd |  Refuel 2021, San Francisco (United States), Acquired | Provider of a platform using LLMs to transform enterprise data | $5.2M | 57/100 | |
3rd |  iMerit 2012, San Jose (United States), Series B | AI based data annotation, model fine-tuning, and validation solutions | $24.3M | 54/100 | |
4th | Surge 2020, San Francisco (United States), Funding Raised | Provider of a cloud-based platform to label machine learning data | - | 48/100 | |
5th | Fast Label 2020, Shinagawa (Japan), Series B | Provider of an AI-based enterprise-grade data annotation platform | $22M | 44/100 | |
6th |  besimple AI 2025, Redwood City (United States), Seed | Platform offering AI-generated data annotation tools | $3.5M | 39/100 | |
7th |  PublicAI Funding Raised | Provider of decentralized infrastructure for collecting and labeling training data | - | 39/100 | |
8th | _1575958717011.png?devicePixelRatio=2&height=30&width=30){kind=logo} HEU Technologies 2009, Hyderabad (India), Unfunded | Offers humanoid robots and robotic training & courses | - | - | 34/100 |
9th | Provides a task management tool | - | - | 34/100 | |
10th |  Attentio 2023, United States, Unfunded | Platform offering AI training services | - | - | 33/100 |
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Scale AI's Investments and acquisitions
Scale AI has made 1 investment in Capsule Corp and acquired SiaSearch and Helia.Here is the list of these investments and acquisitions:
Date of Investment/Acquisition | Type | Company Name | Founded Year | Location |
|---|---|---|---|---|
Nov 03, 2021 | Acquisition | 2019 | Berlin (Germany) | |
May 28, 2021 | Investments | 2021 | Biarritz (France) | |
Dec 02, 2020 | Acquisition | 2019 | San Francisco (United States) |
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Here is the latest report on Scale AI's sector:
News related to Scale AI
Filter this listMedia has covered Scale AI for a total of 17 events in the last 1 year, 9 of them have been about company updates and 4 about partnerships.
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Scale AI Partners with Singapore's IMDA to Advance AI Evaluation ResearchScale AI•Jul 07, 2026•Scale AI
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BAE Systems, Scale AI Collaborating to Advance Agentic AI for Defense MissionsExecutiveBiz•Mar 27, 2026•Scale AI, BAE Systems
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Universal Robots and Scale AI Announce Imitation Learning System to Speed Up AI Model TrainingNew Electronics•Mar 20, 2026•Scale AI, Universal Robots
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Scale AI CFO Defends Company After Meta Deal, Dismissing "Zombie Company" ClaimsBenzinga•Nov 12, 2025•Scale AI
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AI Startup Mercor Valued at $10B After $350M Series C Led by FelicisTechStartups.com•Oct 28, 2025•Meta, Mercor, OpenAI, Scale AI and 6 others
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FAQs about Scale AI
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