All Models

Solar Pro 4

solar-proReasoningTool CallingStructured Output

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...

Providers5
ReleasedAug 6, 2026
Input Modalitiestext
Output Modalitiestext
Tarsk Usecoding

Benchmarks

28.2
Intelligence Index
52.7
Coding Index

Available Providers (5)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
NanoGPTupstage/solar-pro4$0.03/MTok$0.12/MTok524.3K131.1K
LLMTRupstage/solar-pro4$0.03/MTok$0.12/MTok524.3K131.1K
OpenRouterupstage/solar-pro4$0.09/MTok$0.36/MTok524.3K131.1K
Kilo Gatewayupstage/solar-pro4$0.30/MTok$1.20/MTok524.3K131.1K
Upstagesolar-pro4$0.30/MTok$1.20/MTok524.3K131.1K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output