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OpenSmartRoute
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Upstage

Vendor

Upstage models

2 models in the reference catalogue, vendor list prices per million tokens. 0 are routable on this deployment today.

Models

2

0 routable here

Cheapest (blended)

$0.05

Solar Pro 4

Median list price

$0.16

3:1 input to output per 1M tokens

Strongest

-

no published benchmarks

Every Upstage model

Newest first. Prices are the vendor's published rates per million tokens; click a model for the full specification.

ModelReleasedContextInput / 1MOutput / 1MIntelligenceCapabilities
Solar Pro 4upstage/solar-pro4Aug 10, 2026524K$0.03$0.12-
reasoning tools
Solar Pro 3upstage/solar-pro-3Jan 27, 2026131K$0.15$0.60-
reasoning tools

Frequently asked

What is the cheapest Upstage model?
Solar Pro 4 at $0.03 per 1M input tokens and $0.12 per 1M output tokens (vendor list price).
Which Upstage model has the largest context window?
Solar Pro 4 accepts 524K tokens of context.
How do I route to Upstage models with OpenSmartRoute?
Declare a target in targets.yaml with metadata.model set to the catalogue id (for example upstage/solar-pro4); the router scores it against every other target on cost, quality, latency and your policies for each request.

Route Upstage with everything else

OpenSmartRoute picks the cheapest model that meets your quality bar per request, so a Upstage flagship handles hard prompts while small models take the rest. Price a workload or try a routing decision live.