Upstage models
Upstage publishes 2 models available on Zeplik. Pricing, context windows and capabilities below come straight from the live registry Zeplik routes and bills against.
All 2 Upstage models
Solar Pro 4General purpose
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 ctx1.3 cr/M outAugust 2026
Solar Pro 3General purpose
Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...
131K ctx6.6 cr/M outJanuary 2026
Pricing at a glance
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Solar Pro 4 | 524K | 0.33 | 1.3 | August 2026 |
| Solar Pro 3 | 131K | 1.7 | 6.6 | January 2026 |
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