Solar Pro 3
Upstage
upstage/solar-pro-3Solar Pro 3 is Upstage's efficient large language model, building on Solar Pro 2 with Upstage's SnapPO reinforcement learning framework to sharpen step-by-step reasoning in math, code, and agentic tasks. It roughly doubles agentic benchmark performance over its predecessor while keeping the same API and serving footprint, with strong multilingual (notably Korean) support.
Cost rate
0.1x
Context
131K
Released
Jan 27, 2026
Input
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Output
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Support
ReasoningTool callingStructured outputs
Best at
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Performance
Median latency and throughput measured across recent requests.
Throughput152 tok/s
Latency