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Upstage: Solar Pro 4

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...

Text
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Specification
Model ID
upstage/solar-pro4
Modality
Text >text
Context
524.3K tokens
Input
$0.090/1M
Output
$0.360/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • No vision support listed
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Text inputs. Returns Text outputs.

Supported parameters

frequency_penaltyinclude_reasoningmax_tokensparallel_tool_callspresence_penaltyreasoningreasoning_effortresponse_formatstructured_outputstemperaturetool_choicetoolstop_p

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