Upstage - Solar Mini
Last Updated on: Sep 12, 2025
Upstage - Solar Mini
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Large Language Models (LLMs)
AI Developer Tools
AI Content Generator
AI Chatbot
AI Document Extraction
AI Knowledge Base
AI Productivity Tools
What is Upstage - Solar Mini?
Solar Mini is Upstage’s compact, high-performance large language model (LLM) with under 30 billion parameters, engineered for exceptional speed and efficiency without sacrificing quality. It outperforms comparable models like Llama2, Mistral 7B, and Ko-Alpaca on major benchmarks, delivering responses similar to GPT-3.5 but 2.5 times faster. Thanks to its innovative Depth Up-scaling (DUS) and continued pre-training, Solar Mini is easily customized for domain-specific tasks, supports on-device deployment, and is especially suited for decentralized, responsive AI applications.
Who can use Upstage - Solar Mini & how?
Who Can Use It?
  • Developers & AI Engineers: Integrate fast, efficient LLMs for customized applications and edge devices.
  • Businesses & Startups: Deploy scalable, cost-effective AI solutions without high compute requirements.
  • Korean Language Researchers: Benefit from fine-tuned instruction following and alignment for Korean.
  • Teams Building RAG Systems: Use Solar Mini to enhance output accuracy and relevance in retrieval-augmented generation workflows.
  • Researchers & Labs: Experiment with open, license-free models for layout analysis, document extraction, and instruction tuning.

How to Use Solar Mini?
  • Deploy On Device or Edge: Leverage the compact size for mobile and decentralized AI.
  • Integrate via Hugging Face/Poe: Run and customize with leading model frameworks or demo platforms.
  • Utilize for RAG Tasks: Combine with retrieval algorithms for improved, context-aware results.
  • Process Documents & Data: Extract tables, charts, and layouts using the built-in OCR and analysis modules.
What's so unique or special about Upstage - Solar Mini?
  • Compact Yet Powerful Architecture: Delivers top-tier benchmarks with under 30B parameters.
  • Depth Up-scaling (DUS): Efficient scaling methodology compatible with most LLM frameworks.
  • Fast Deployment and Customization: Reduced compute needs make on-device and edge AI practical.
  • Strong Performance in Korean and Multilingual QA: Instruction and alignment tuning for real-world language use.
  • Open Source License: Available under Apache 2.0 for broad experimentation and commercial use.
Things We Like
  • Exceptional speed and efficiency for real-time and on-device AI.
  • Benchmark performance rivals models nearly twice its size.
  • Easy to customize and deploy for diverse domains and languages.
  • Fully open source with a robust ecosystem for research and development.
Things We Don't Like
  • Smaller size may limit raw knowledge depth versus largest LLMs.
  • Continued tuning and integration required for some domain tasks.
  • Documentation and community support is newer than major closed models.
  • Primarily optimized for Korean and RAG use cases—other languages may need extra adaptation.
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Pricing
Paid

Developers

Custom

$0.15 / 1M tokens
Pay-as-you-go
Public models (See detailed pricing)
REST API
Public cloud
Help center

Enterprise

Custom

One-time installation + Subscription fee
All public models
Custom LLM and RAG
Custom key information extraction
Custom document classification
REST API
Custom integrations
Serverless (API)
Private cloud
On-premises
Upstage Fine-tuning Studio
Upstage Labeling Studio
Personal information masking
Usage and resource monitoring
SSO
24/7 priority support
99% uptime SLA
Dedicated success manager
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FAQs

Solar Mini is a compact, fast, and high-performing LLM under 30B parameters, open-sourced by Upstage.
It rivals GPT-3.5 in quality and outpaces models like Llama2 and Mistral 7B in speed and benchmarks.
Solar Mini supports on-device, edge, and decentralized application deployment with low compute needs.
Yes, it integrates well with retrieval-augmented generation for accurate, context-driven output.
Built-in modules for OCR, table, chart, and layout analysis enable rich document processing.
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This page was researched and written by the ATB Editorial Team. Our team researches each AI tool by reviewing its official website, testing features, exploring real use cases, and considering user feedback. Every page is fact-checked and regularly updated to ensure the information stays accurate, neutral, and useful for our readers.

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