---
name: 'Upstage: Solar Pro 4'
slug: solar-pro4
type: LLM
providers:
  - openrouter
description: >-
  Solar Pro 4 is a large language model from Upstage. It is suited for agentic
  workflows, office productivity, document-intensive work, and coding.
tags:
  - llm
is_open_source: false
context_window: 524288
max_output: 131072
pricing:
  - image: 0
    input: 0.03
    output: 0.12
    provider: openrouter
release_date: '2024-01-01'
openrouter_id: upstage/solar-pro4
capabilities:
  audio: false
  vision: false
  tool_use: false
  citations: false
  reasoning: false
---
Upstage: Solar Pro 4 is a LLM model.
Solar Pro 4 is a large language model from Upstage. It is suited for agentic workflows, office productivity, document-intensive work, and coding.