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Upstage: Solar Pro 4
solar-pro4
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...
Modalities
Input
text
Output
text
Pricing
Cost per 1 million tokens
Input
$0.108
Output
$0.432
Model Specs
Context Window
524,288Max Output
131,072Release Date
2026-08-10Knowledge Cutoff
Capabilities
Reasoning
Tool Calling
Vision
Last Updated: 2026-08-10
Provider: