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
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
28.2
Coding Index
52.7
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
9.1%
Better than 38% of models compared
GDPval-AA (unversioned / legacy)
Legacy fallback · Economically valuable tasks
33.6%
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
5.6%
Better than 31% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
74.0%
Better than 75% of models compared
Reasoning
HLE
Humanity's Last Exam
29.2%
Better than 81% of models compared
CritPt
Research-level physics reasoning
5.4%
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
0.5%
Better than 40% of models compared
SciCode
Python programming for scientific computing
44.6%
Better than 42% 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%
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
89.1%
Better than 86% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
74.0%
Better than 75% of models compared
Last updated Sep 20, 2026
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