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Solar Pro 4 Thinking

solar-pro Reasoning Tool Calling Structured Output

Upstage's flagship model, specialized for agentic use

Providers 1
Released Aug 6, 2026
Input Modalities text
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
NanoGPT upstage/solar-pro4:thinking $0.03/MTok $0.12/MTok 524.3K 131.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output