AI model · Upstage
Solar Pro 3
Model ID: upstage/solar-pro-3
- Input
- $0.15 per 1M tokens
- Output
- $0.60 per 1M tokens
- Context
- 131K tokens at once
- Max output
- 118K tokens per reply
- Released
- 27 Jan 2026 Upstage
What it can do
- YesReasoning
- YesTool calling
- NoImage input
- NoOpen weights
- NoFree to use
Takes text; gives text.
How its listing describes it
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.
Sources
- Upstage: Solar Pro 3 on OpenRouter — read 2 Oct 2026