tools
Solar Pro 2
Solar Pro 2 is Upstage’s 31B multilingual language model for reasoning, generation, and tool-integrated workflows.
In inglese
Solar Pro 2 handles multilingual generation, structured reasoning, document summarization, coding, logical deduction, and interactions with external tools. It supports English, Korean, and Japanese, with particular focus on Korean-language tasks.
It is intended for developers and enterprises building API-based applications and agent workflows. Access is provided through the Upstage Console/API, with usage priced by tokens; enterprise deployments and dedicated support may cost extra.
Features
- 31B-parameter language model for enterprise applications
- Chat Mode for fast responses and Reasoning Mode for multi-step tasks
- Supports English, Korean, and Japanese language processing
- Handles math, coding, summarization, and logical deduction
- Interacts with external tools for multi-step workflows
- Supports specialized legal, financial, and medical text
- Available through the Upstage Console API
Use cases
- Build multilingual chat and text-generation applications
- Solve complex math, coding, and logic tasks
- Summarize documents and answer questions about their contents
- Create agents that call external tools and services
- Analyze Korean legal, financial, or medical text
- Generate structured business deliverables from research workflows
Pros
Cons
Latest updates
- Solar Pro 4: The Agentic Model That Finishes the Job
Agentic LLM built for multi-step real work: tool calling, terminal tasks, and long-document reasoning.
- Solar Pro 3: Better reasoning at production scale
Improves reasoning and instruction-following for production workloads while maintaining efficiency.
- Solar Pro 2: Fluent. Reasoning. Frontier.
Solar Pro 2 supports multilingual processing, advanced reasoning, and real-world tool use.
- Extract structured data from any document—Information Extract API is live
Extract structured key data from unstructured text.
- Solar Pro 2 Preview: Small. Powerful. Now with reasoning.
A compact 31B model with hybrid reasoning mode, free to use until July 15 on the Upstage Console.
Capabilities
- Developer API — “Solar Pro 2 (30 req/sec)” source
Get it
Pricing
- Prices checked
- 2026-09-25
Solar Pro 2
- 0.15 1M tokens
- 0.015 1M tokens
- 0.6 1M tokens
- High-performance enterprise LLM for complex reasoning and generation
- Input
- Input(Cached)
- Output