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Upstage

Category: Foundation Models / LLMs

A leading AI technology company specializing in 'Purpose-Built' Large Language Models (Solar) and high-precision Document AI solutions for enterprise digital transformation. Upstage was founded in 2020. The company is led by Sung Kim. Based in Yongin-si, South Korea. Team size: 100-200. Total funding raised: $103.0M. Latest round: Series B ($72.0M, Apr 2024). Key investors include ["SK Networks","KT","Korea Development Bank (KDB)","SBVA (SoftBank Ventures Asia)","Primer Sazze Partners","Company K Partners"].

Founded
2020
Headquarters
Yongin-si, South Korea
Team size
100-200
Total funding
$103.0M

Value proposition

Delivers 'Solar', a high-performance yet lightweight LLM optimized for single-GPU deployment, offering superior cost-efficiency and data privacy compared to massive hyperscale models.

Products and solutions

["Solar Pro (Enterprise-grade LLM)","Solar Mini (Lightweight, cost-effective LLM)","Upstage Document AI (OCR & Information Extraction)","Upstage Console (Developer API Platform)","AskUp (Consumer AI Chatbot on KakaoTalk)"]

Unique value

Proprietary 'Depth-Up Scaling' (DUS) technology allows their compact models (e.g., 10.7B parameters) to outperform significantly larger models (like Mixtral 8x7B) on global benchmarks.

Target customer

Enterprise clients in high-compliance sectors (Finance, Insurance, Legal, Healthcare) and Global Tech Giants (AWS, Oracle).

Industries served

["Financial Services (BFSI)","Insurance (Claims Processing)","Legal & Compliance","E-commerce","Government/Public Sector"]

Technology advantage

Strategic pivot to 'AI-Native Search' via the potential acquisition of the 'Daum' portal, aiming to combine their LLM capabilities with a massive legacy user base.

How they differentiate

Specializes in 'Solar', a high-performance Small Language Model (SLM) optimized for on-premise enterprise use, offering superior cost-efficiency and data security compared to massive hyperscale models.

Main competitors

["Naver Cloud (HyperCLOVA X)","LG AI Research (EXAONE)","Mistral AI"]

Key partnerships

["Amazon (AWS) & AMD (Strategic Investors & Tech Partners)","SK Networks & KT (Series B Investors)","Kakao (Strategic discussions for Daum acquisition)","Oracle (Cloud infrastructure partner)"]

Notable customers

["Samsung Life Insurance","Hanwha Life","ConnectWave","Glovis"]

Major milestones

["Launched 'Solar' LLM, ranking 1st on global Open LLM Leaderboard (Dec 2023)","Secured 100B KRW (~$72M) Series B funding led by SK Networks (Apr 2024)","Initiated strategic discussions to acquire Kakao's 'Daum' portal (CIC) to secure B2C platform capabilities (Late 2024/2025)","Strategic partnerships established with AWS and AMD for global infrastructure"]

Growth metrics

Achieved top rankings on Hugging Face Open LLM Leaderboard; Expanded 'Solar' model availability to AWS Bedrock and Azure; Revenue growth driven by enterprise Document AI adoption.

Market positioning

Leading Enterprise AI Enabler (B2B) challenging hyperscale platform giants

Geographic focus

South Korea, United States, Southeast Asia

Patents and IP

Holds proprietary IP in 'Depth-Up Scaling' architecture and advanced OCR logic for layout analysis.

About Sung Kim

Former Head of Naver Clova AI; Former Professor at Hong Kong University of Science and Technology (HKUST); Creator of 'Deep Learning for Everyone'.

Official website: