Solar Pro 4
by Upstage
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
Models
Solar Pro 4
Added 3 Sept 2026
Overview
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...
How to use / API access
Call via OpenRouter with model id `upstage/solar-pro4`.
- openrouter ·
upstage/solar-pro4Docs
OpenRouter id: upstage/solar-pro4
Benchmarks
- Intelligence Index (artificial-analysis): 28.2 index
- Coding Index (artificial-analysis): 52.7 index
- Design Arena webapps (other): 1103 elo · #35
- Design Arena 3d (other): 1180 elo · #56
- Design Arena codecategories (other): 1183 elo · #63
- Design Arena dataviz (other): 1179 elo · #65
Notes
Solar Pro 4 is listed in the EDNA Models directory from the OpenRouter catalogue.
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