Upstage: Solar Pro 4
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...
Modalities
In / Out Price
$0.09 / $0.36 per 1M
Context
524K
Released
Aug 10, 2026
Knowledge Cutoff
—
Pricing
What Reroute charges per unit. No markup on inference — you pay the carrier's price, metered from the carrier's own usage numbers.
Input tokens
$0.09 / M
Output tokens
$0.36 / M
Cache read
$0.018 / M
By provider
Each carrier sets its own price. The router weighs these against uptime when it picks one.
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Discount |
|---|---|---|---|---|---|
| Upstage | $0.09 | $0.36 | $0.018 | — | 70% |
| Upstage | $0.09 | $0.36 | $0.018 | — | 70% |