See how Upstage's models evolved by answering the same challenge across generations.
Upstage builds Solar, a series of efficient LLMs optimized for on-device and enterprise deployment.
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Jan 2026 – Jan 2026
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 for Korean with English and Japanese support. Note: Deprecating March 2, 2026.