Solar Pro 4Upstage
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SynUpstage AI
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Related Products
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About
Solar Pro 4 is an agentic AI model built to carry real work to the finish: reading documents, running tools, producing deliverables, and stopping when the evidence runs out. It targets longer, more complex workloads that move across multiple documents, execute tasks in a terminal, and chain tool calls over many steps. The model supports a 512K context window with up to 128K output tokens, allowing agents to load contracts, reports, and data files into a single session without splitting them. It handles English, Korean, and Japanese for both input and output, while adjustable reasoning effort lets users choose deeper analysis or faster, real-time interaction. Solar Pro 4 is designed to stay accurate through long documents, multi-turn tool use, and terminal tasks, and to preserve values and conclusions across sequential deliverables such as Excel workbooks, reports, and slide decks.
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About
Syn is a next‑generation Japanese large language model co‑developed by Upstage and Karakuri, featuring under 14 billion parameters and optimized for enterprise use in finance, manufacturing, legal, and healthcare. It delivers top‑tier benchmark performance on the Weights & Biases Nejumi Leaderboard, achieving industry‑leading scores for accuracy and alignment, while maintaining cost efficiency through a lightweight architecture derived from Solar Mini. Syn excels in Japanese “truthfulness” and safety, understanding nuanced expressions and industry‑specific terminology, and offers flexible fine‑tuning to integrate proprietary data and domain knowledge. Built for scalable deployment, it supports on‑premises, AWS Marketplace, and cloud environments, with security and compliance safeguards tailored to enterprise requirements. Leveraging AWS Trainium, Syn reduces training costs by approximately 50 percent compared to traditional GPU setups, enabling rapid customization of use cases.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers and organizations seeking to run complex AI agent workflows across documents, tools, terminals, and multi-step business tasks with verifiable outputs
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Audience
Companies seeking a tool tailored for enterprise‑grade applications and seamless integration with industry‑specific workflows
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$0.03 per 1M tokens
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$0.1 per 1M tokens
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Company InformationUpstage
Founded: 2020
United States
www.upstage.ai/blog/en/solar-pro-4
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Company InformationUpstage AI
Founded: 2020
United States
www.upstage.ai/news/introducing-upstage-japan
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Upstage AI
Supported
AWS Marketplace
Not Supported
AWS Trainium
Not Supported
Amazon Web Services (AWS)
Not Supported
Hermes Agent
Supported
OpenAI
Supported
OpenRouter
Supported
Solar Mini
Not Supported
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Integrations
Upstage AI
Supported
AWS Marketplace
Supported
AWS Trainium
Supported
Amazon Web Services (AWS)
Supported
Hermes Agent
Not Supported
OpenAI
Not Supported
OpenRouter
Not Supported
Solar Mini
Supported
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