3 models
Ranked by Intelligence Index
Reasoning Tools JSON 28.2

Upstage's flagship model, specialized for agentic use

upstage/solar-pro4 2026-08-06 524.288K context $0.3/M input $1.2/M output
6 providers
Reasoning Tools JSON 24.1

Upstage's compact, cost-efficient model for agentic use

upstage/solar-mini4 2026-09-22 524.288K context $0.1/M input $0.4/M output
4 providers
7.8

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...

upstage/solar-pro-3 131.072K context $0.15/M input $0.6/M output