by Upstage

Upstage: Solar Pro 3.

text open weights 128K ctx
Cheapest input
$0.15/M
on OpenRouter
Cheapest output
$0.6/M
on OpenRouter
Hosted equiv.
~$0.22/hr
@ 100 tok/s on OpenRouter

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 effici

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $0.15 $0.6 Launch ↗
FAQ

Frequently asked.

How do I run Upstage: Solar Pro 3?
Upstage: Solar Pro 3 is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access Upstage: Solar Pro 3?
Upstage: Solar Pro 3 is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Upstage: Solar Pro 3?
API pricing starts at $0.15/M input tokens and $0.6/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Upstage: Solar Pro 3 open-source or proprietary?
Upstage: Solar Pro 3 is open-weight under the license. You can download and self-host it.