Upstage's Solar Pro 4 is a long-context language model for agentic workflows, office productivity, document-intensive work, and coding. This variant keeps reasoning disabled for faster direct responses.
Added Aug 11, 2026
Context Window
524.3K
Max Output
131.1K
Avg output tokens (7d)
574 tokens
Input Price (Auto)
$0.030/1M
Output Price (Auto)
$0.12/1M
Cache Read (Auto)
$0.0060/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
32.7
Coding Index
52.7
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
89.1%
Better than 86% of models compared
HLE
Humanity's Last Exam
29.2%
Better than 81% of models compared
AA-LCR
Long context reasoning evaluation
74.0%
Better than 75% of models compared
GDPval-AA
Economically valuable tasks
35.0%
CritPt
Research-level physics reasoning
5.4%
Coding
SciCode
Python programming for scientific computing
44.6%
Better than 34% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
18.9%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
24.4%
Last updated Sep 7, 2026
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