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Solar Pro 3

Released at: January 27, 2026

API StatusAvailable for integration
Context Window128,000 tokens
Input Price / MTok$0.15
Output Price / MTok$0.60

Model Overview

Upstage · Active Model

  • Long-Context
  • API Available
  • Vetted Benchmarks
  • Production Ready

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...

Developer
Upstage
Release Date
January 27, 2026
Context Window
128,000 tokens≈ 171 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$0.15per million tokens
Output Cost
$0.60per million tokens
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Vetted Benchmarks

MMLU(estimated)Score: 86.2% (Top 36%)
HumanEval(estimated)Score: 85.4% (Top 41%)
MATH(estimated)Score: 66.6% (Top 38%)
MT-Bench(estimated)Score: 9.0 (Top 29%)
GPQA(estimated)Score: 48.0% (Top 27%)
HellaSwag(estimated)Score: 87.2% (Top 24%)

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