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)
257 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
28.2
Coding Index
52.7
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
9.1%
Better than 33% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
5.6%
Better than 28% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
74.0%
Better than 71% of models compared
Reasoning
HLE
Humanity's Last Exam
29.2%
Better than 77% of models compared
CritPt
Research-level physics reasoning
5.4%
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
0.5%
Better than 35% of models compared
SciCode
Python programming for scientific computing
44.6%
Better than 37% 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 71% of models compared
Last updated Oct 1, 2026
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