Upstage: Solar Pro 4

NEW

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...

524K context·$0.03 in·$0.12 out·Aug 2026 release·Reasoning, Tools / functions, Web search

Available on

OpenRouter

Providers

Where Upstage: Solar Pro 4 runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutputCache read

OpenRouter

upstage/solar-pro4

524K

$0.03

$0.12

$0.01

Usage mix in Big-AGI: OpenRouter 100%Specs as reported by each service · usage over the last 2 days · refreshed hourly