Solar Pro 4 is a large language model from Upstage. It is suited for agentic workflows, office productivity, document-intensive work, and coding.
Details
| Field | Value |
|---|---|
| id | upstage/solar-pro4 |
| family | solar |
| modality | text->text |
| context_length | 524288 |
| max_output_tokens | 131072 |
| release_date | 2026-08-10 |
| is_open_weights | no |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | no |
| input_modalities | text |
| output_modalities | text |