Parameters
Undisclosed
Context Length
524K
Modality
Text
Architecture
Undisclosed
License
Proprietary
Release Date
10 Aug 2026
Knowledge Cutoff
-
API Pricing (per 1M)
Input: $0.15 · Output: $0.60
Rank
#118
| Benchmark | Score | Rank |
|---|---|---|
Professional Knowledge | 0.863 | 8 |
Graduate-Level QA | 0.89 | 28 |
Agentic Index | 0.29 | 63 |
Agent Arena | -20.25 | 66 |
Web Development | 1370 | 90 |
Intelligence Index | 0.27 | 109 |
General Text | 1387 | 132 |
Overall Rank
#118
Coding Rank
#140
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.
Assistant
Online