Upstage
Solar Pro 4
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...
Upstage model releasesModel Snapshot
ReleaseAug 6, 2026
Context524,288
Overall
Rank #127 across 687
28.2
Coding
Rank #135 across 330
52.7
Blended Price
Rank #153 across 432
$0.525/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed50 tok/s
First Token1.24s
Max Output131,072
Pricing
Blended$0.525/M
Input$0.300/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 28.2 | #127 |
| Artificial Analysis Coding Index | coding | 52.7 | #135 |
| GPQA | reasoning | 89.1% | #85 |
| Humanity's Last Exam | reasoning | 29.2% | #136 |
| SciCode |