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...
Upstage: Solar Pro 4 — Upstage. Context window 524,288 tokens. API pricing (per 1M tokens): Input $0.09, Output $0.36. License: Open-Weights.
| Provider | Upstage |
|---|---|
| API model ID | upstage/solar-pro4 |
| Tier | Frontier |
| Context window | 524,288 tokens |
| Max output | 131,072 tokens |
| License | Open-Weights |
| API pricing (per 1M tokens) · Input | $0.09 |
| API pricing (per 1M tokens) · Output | $0.36 |