Upstage · Model identity
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...
1pricing route
What published route metadata supports
CachingReasoningStructured outputTool use
Input modalities
Text
Supported API parameters
frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningresponse_formatstructured_outputstemperaturetool_choicetoolstop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-08-10
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare Solar Pro 4 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | upstage/solar-pro4 | $0.03 | $0.006 | $0.12 | 524K | OpenRouter API ↗ |
Tracking since Aug 26, 2026
No verified price changes have been recorded since tracking began on Aug 26, 2026. The Aug 26, 2026 catalog is the baseline; LLMPrice does not invent or backfill older prices.
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