Upstage

3 models · latest Sep 2026

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3 models

Solar Mini 4

Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context wind

Closed$0.05/$0.20524K tokensSep 2026

Solar Pro 4

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 workflow

Closed$0.09/$0.36524K tokensAug 2026

Solar Pro 3

Upstage

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 d

Closed$0.15/$0.60131K tokensJan 2026

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