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Solar Pro 4

Solar Pro 4 is Upstage's cost-efficient large language model with a 524K context window, built for long-horizon tasks and agentic workflows.

Providers
Capabilities
OpenRouter
openrouter-byok
$0
$0
—
Unavailable
AIHubMix
aihubmix-byok
$0
$0
$0
Unavailable
Usage analytics

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API & code
Uptime & Health
No uptime data yet

These providers haven't been health-probed for this model yet. The router still routes around upstreams that fail live requests — uptime fills in once probe history accrues.

Share cards
Solar Pro 4 share card
Solar Pro 4
OpenRouter upstream share card
OpenRouter upstream
AIHubMix upstream share card
AIHubMix upstream
Credits
Use your own key

Run Solar Pro 4 on your own key — your requests are billed by the provider. Pool callers pay AnyRouter credits.

No BYOK keys configured for this model yet.

Share a key with the pool to earn credits for every request it serves, covering your plan cost.

Text generation
Context length524,288 tokens
Max output419,430 tokens
ArchitectureTransformer
Categorytext
ReleasedAug 10, 2026
Modalities
Capabilities