F24 SALES / MODEL
Upstage🇰🇷
Solar Mini 4
Upstage's compact model is designed for document extraction, classification and structured JSON output. It activates 3 billion of 35 billion parameters, with optional reasoning for requests that involve several steps or tool calls.
Free aggregator routes
These are the aggregator routes recorded in the current or last published catalog. Each route keeps its exact model ID and thinking information.
The creator describes limited-time free Hermes Agent access starting October 5, 2026. Nous currently lists Solar Mini 4 as free; continued free availability is not established.
Limits above: Nous Portal. Available gateway routes are listed below.
The supplied Nous route upstage/solar-mini4:free and the official Nous listing identify Solar Mini 4 by Upstage, matching the creator's announcement and solar-mini4 Chat API alias. The gateway does not establish a pinned checkpoint revision. Solar Mini 4 is distinct from the known Solar Pro 4 entry; no known sibling requires identity merging or display grouping.
Nous Portal
Info- Thinking
- Supported
- Effort levels
- max · xhigh · high · medium · low · minimal · none
- Control
- Can be toggled
- Default
- Disabled
- Default effort
- medium
upstage/solar-mini4:freeModel sources
Use it through LiteLLM
Import the current LiteLLM-compatible YAML and use the exact model ID shown above. The catalog is generated from the same reviewed scan data as the download.
Download LiteLLM YAML