Models / upstage
Solar Pro 4
by upstage ·
upstage/solar-pro4Solar 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...
reasoningtool-usereleased 2026-08-10
Legal score · raw
-
not yet benchmarked
Context
524K
max output 131K
Input
$0.19
per 1M tokens
Output
$0.75
per 1M tokens
Suite cost
-
no run recorded
Prompt caching
Grounded answers re-send the same retrieved authority every turn, so a cached read is what a long matter actually costs. Prices are per 1M tokens, from the provider’s own catalog.
Cache read
$0.04
5.0x cheaper than uncached
Uncached input
$0.19
per 1M tokens
Capabilities
Modalities
in text
out text
Request parameters it accepts
frequency_penaltyinclude_reasoningmax_tokensparallel_tool_callspresence_penaltyreasoningreasoning_effortresponse_formatstructured_outputstemperaturetool_choicetoolstop_p
Benchmark results
This model has not been run through the suite yet. See Humanity's Last Lawsuit for the benchmark models are ranked on.