Solar Pro 4

by Upstage · upstage/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...

Input / 1M tokens
$0.15
Output / 1M tokens
$0.60
Context
524K

Specs

Input price$0.15 / 1M tokens
Output price$0.60 / 1M tokens
Cached input$0.03 / 1M tokens
Context window524K tokens
Max output131K tokens
Readstext
Writestext
Tool callingYes
ReasoningYes
ListedAug 10, 2026

List prices in USD, updated Oct 30, 2026. Providers may charge differently.

Providers

2 providers serve this model, as of Oct 30, 2026, 18:12 UTC.

Providers serving this model, sorted by price
ProviderContextMax outputInput / 1MOutput / 1MCache read / 1MUptime (30 min)Latency (median)Throughput (median)SupportsStatus
Upstage524K131K$0.15$0.60$0.03100%1.95 s56 tok/sNormal
UpstageFastest524K131K$0.15$0.60$0.03100%713 ms85 tok/sNormal

"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.