Parameters
Undisclosed
Context Length
524K
Modality
Text
Architecture
Undisclosed
License
Proprietary
Release Date
10 Aug 2026
Knowledge Cutoff
-
API Pricing (per 1M)
Input: $0.30 · Output: $1.20
Rank
#90
| Benchmark | Score | Rank |
|---|---|---|
Professional Knowledge | 0.863 | 7 |
Graduate-Level QA | 0.89 | 28 |
Agentic Index | 0.34 | 51 |
Agent Arena | -15.52 | 52 |
Web Development | 1371 | 76 |
Coding Index | 0.53 | 82 |
Intelligence Index | 0.28 | 83 |
General Text | 1376 | 112 |
Overall Rank
#90
Coding Rank
#99
Solar Pro 4 is a cost-efficient large language model from Upstage featuring a 524K token context window. It is built for long-horizon enterprise tasks, agentic workflows, and document-intensive operations.
Architecture specifications are undisclosed for proprietary models.
The Solar model family developed by Upstage.
Assistant
Online