Companies

Upstage

upstage.ai

Upstage provides enterprise large language models and document AI engines that automate workflows and improve workplace productivity.

HQSan Jose, California, United States
Employees51-200
Funding$145m
Revenue$18.5m (2024)
6 active roles
Profile 8mo agoJobs checked 4d ago
Specialization
Language Modelsand 1 more specialization values
  • Computer Vision
Business
Model Developmentand 2 more business values
  • Inference Serving
  • Software Applications
Market
Cross Industry
Ecosystem
Applications
Customers
Enterprisesand 1 more customers values
  • Developers
More details
Organization type
Commercial Company
Ecosystem
Applications
Business
Model Development, Inference Serving, Software Applications
Specialization
Language Models, Computer Vision
Market
Cross Industry
Customers
Enterprises, Developers
Delivery models
API, Hosted Software
Revenue models
Subscription
Listing status
Not classified
Latest equity round
Not classified
Reported funding amount
Not classified

About

Upstage builds large language models and document-processing engines for enterprises and other organizations, including major industrial clients. Its differentiation is the combination of the Solar family of cost-effective LLMs with Document AI and OCR capabilities for automating complex business workflows.

Market

Upstage competes in enterprise generative AI, large-language-model infrastructure, intelligent document processing, and agentic workflow automation. It positions itself around enterprise-grade, domain-specific AI—particularly its Solar models and document-processing stack—rather than only general-purpose chat, with differentiation through Asian-language optimization, document-heavy workflow capabilities, and flexible SaaS, private-cloud, and on-premises deployment.

Target Customers

Upstage primarily targets regulated industries and global enterprises—including insurance and other organizations where accuracy and reliability are mission-critical—with document-heavy workflows. Its offering is suitable for customers ranging from startups to Fortune 500 companies, with likely buyers in enterprise AI, IT, operations, and process-automation teams.

At a Glance

Problem

Upstage addresses a core enterprise AI bottleneck: important information remains trapped in PDFs, scans, emails, tables, and other complex documents that conventional software cannot reliably interpret. The pain is especially acute in high-stakes sectors where accuracy and reliability matter, because employees must spend time reviewing and re-entering information before it can support search, automation, or decision-making. Upstage’s clearest “killer” use case is document-heavy insurance work, including claims, underwriting, and policy workflows.

The economic value comes from reducing document-processing time, manual review, and errors while making existing enterprise knowledge usable by AI. High-value applications include turning financial reports, contracts, compliance records, and insurance documents into searchable, analyzable data; Upstage also positions faster processing and lower per-page costs as important advantages.

Product / Service

Upstage combines the Solar LLM family with document-intelligence products. Solar provides enterprise language-model capabilities optimized for speed, groundedness, multilingual performance, reasoning, and tool use. Document Parse converts PDFs, scans, and emails into structured, machine-readable formats while preserving layouts and tables; related capabilities classify documents and extract key fields such as invoice, claim, contract, or receipt data.

The products are delivered through APIs, cloud services and marketplaces including AWS, as well as on-premises deployments for organizations that require private AI. Customers can feed parsed documents into retrieval-augmented search, summarization, workflow automation, or agent applications. The model is usage-based for the API, with Document Parse listed at $0.01 per page, while the company also offers enterprise deployment options and document agents.

Market

Upstage competes in the overlap between enterprise generative AI, foundation-model APIs, optical character recognition, and intelligent document processing. In document AI, Upstage’s own benchmark explicitly compares Document Parse with Google and Microsoft offerings, as well as open-source and commercial alternatives. Its broader Solar LLM offering also places it among enterprise model providers, with differentiation centered on efficient deployment, Korean and multilingual performance, grounded outputs, and document-centric workflows.

The company has meaningful commercial traction rather than appearing pre-product: its models were reported in August 2025 to be used by Fortune 500 companies including Samsung and widely by Korean insurance companies, and Solar was available through Amazon Bedrock Marketplace. Upstage raised a $45 million Series B bridge in August 2025, bringing total capital to $157 million, to fund model development, document AI, and expansion in the United States and Asia-Pacific. The available research does not disclose revenue or profitability, so adoption and funding—not financial performance—are the clearest public traction indicators.

Founders & Leadership

Sung Kim (Sunghun Kim)Founder
Chief Executive Officer (CEO)
Hwalsuk Lee (Stan Lee)Founder
Chief Technology Officer (CTO)
Lucy Park (Eunjeong Park)Founder
Chief Product Officer (CPO)
Brian LawingExecutive Vice President of Sales
Hoon ChoiVice President, AI Business Development

Funding History

2021-09
Series A$27.3M

Company K Partners, SoftBank Ventures

2023-09
Series AUndisclosed

KT

2024-01
Series BUndisclosed

SK Networks

2024-04
Series B$72M

SK Networks, KT, Korea Development Bank

2025-08
Series B bridge$45M

Korea Development Bank (KDB), Amazon, AMD

2026-04
Series C (first tranche)$120M

Sazze Partners

Recent News

2026-10-06product_launch
Upstage launches Studio for intelligent document processing

Upstage launched Upstage Studio, its next-generation intelligent document processing platform. The product connects contracts, invoices, and delivery records to help organizations identify issues such as overpayments or under-collection.

2026-10-01product_launch
Upstage launches Solar Mini 4

Upstage launched Solar Mini 4, an agent-optimized language model with 35 billion total parameters and 3 billion active parameters. The model is available through Upstage Console API, Solar Chat, and OpenRouter, with on-premises deployment also supported.

2026-09-17partnership
Upstage partners with JB Financial Group to develop finance-focused AI agents

Upstage and JB Financial Group signed a memorandum of understanding on September 14 to cooperate on finance and AI technologies. They will jointly develop finance-focused AI agents using Upstage’s large language model technology and explore deployment across JB Financial’s banks, capital businesses, and Southeast Asian subsidiaries.

2026-08-17funding
Upstage raises $381M Series D

Upstage raised $381 million in a Series D round backed by Korea Development Bank, Industrial Bank of Korea, Mirae Asset Venture Investment, Sazze Partners, and Shinhan Venture Investment. The financing was reported among the largest recent deep-tech rounds in South Korea and followed Upstage’s growth in the Asian insurtech sector.

2026-08-11product_launch
Upstage launches Solar Pro 4 agentic AI model

Upstage launched Solar Pro 4, an agentic large language model designed for long documents, terminal tasks, and multi-turn tool use. The model supports a 512K context window and up to 128K output tokens, is available through Upstage Console and OpenRouter, and received a 90% launch discount through September 10, 2026.

2026-04-15funding
Upstage Becomes South Korea's First AI Unicorn After Raising More Funds

Upstage raised approximately $120 million (KRW 180 billion) in Series C funding, bringing its valuation above $1 billion. The round was led by Sage Partners, with participation from several Korean financial institutions and Axiom Asia, making Upstage South Korea's first generative-AI unicorn.

2026-04-02product_launch
Upstage AI Launches AI-Powered Agentic Workflow Solution for Document-Heavy Processes

Upstage announced the official rollout of Upstage Studio, an agentic AI document-processing solution designed for document-heavy workflows.

2026-03-19partnership
AMD and Upstage Expand Strategic Collaboration to Advance Sovereign AI Infrastructure in Korea

The expanded collaboration covers immediate deployment of AMD Instinct MI355 GPUs and a multi-phase roadmap. Upstage will also contribute to Korea's government-led sovereign AI model project using AMD GPUs and ROCm software.

2025-09-25product_launch
Upstage Document Intelligence Now Available on the AWS AI Agent Marketplace

Upstage Document Intelligence went live in AWS Marketplace's AI Agents & Tools category, combining document parsing and information extraction through a single API call. The product produces structured outputs for automated document workflows and supports difficult inputs such as tables, checkboxes, and low-quality scans.

2025-08-20funding
Upstage Completes $45M Series B Bridge to Accelerate Enterprise-Grade GenAI and Global Expansion

Upstage raised a $45 million Series B bridge backed by Korea Development Bank, Amazon, and AMD, bringing total capital to $157 million. The funding will support Solar model development, document-AI products, regulated-industry adoption, and expansion in the U.S. and Asia-Pacific.

2025-08-19partnership
Upstage and AWS Join Forces to Drive AI Innovation in APAC and the United States

Upstage and AWS announced a strategic collaboration to advance Solar language models and expand enterprise generative AI adoption, particularly in insurance. Upstage planned to use AWS machine-learning infrastructure, including SageMaker, Trainium, and Inferentia, for model development and deployment.

Active Roles

6
강남 오피스/Engineering/89d ago
강남 오피스/Engineering/89d ago
Data & Analytics/89d ago
Tokyo Office/Engineering/89d ago
Tokyo Office/Solutions Engineer/242d ago

Business Model

Upstage monetizes access to its AI products and APIs through paid prepaid monthly plans, including Explore, Build, and Scale tiers. It also sells enterprise AI solutions and customized document-processing and automation services to organizations.

Products

Solar and Solar Pro large language models, including Solar Pro 2 and Solar Pro 3Document ParseDocument AI and AI OCR solutionsAI Space for document-based workUpstage Studio for designing, testing, and running agentic document workflows

Customers

SamsungSamsung Fire & Marine Insurance

Tech Stack

Large language models (Solar family)AI OCR and intelligent document processingDocument parsing and machine-readable text extractionAgentic AI workflowsSaaS, private-cloud, and on-premises deploymentOracle Cloud Infrastructure (OCI) for model development

Competitors

OpenAI
Mistral AI
Laserfiche
SS&C Blue Prism
Nitro PDF
ABBYY
UiPath

Key Investors

SBVA, SK Networks, KT, Korea Development Bank