Solar Pro 2 is Upstage's language model. A professional-grade LLM from Upstage in the Solar 2 series, designed for high-quality reasoning and enterprise language tasks.
Specifications
Canonical IDupstage-solar-2-pro
TypeLanguage
StatusActive
CreatorUpstageUpstage
Input ModalitiesText
Output ModalitiesText
Benchmarks
Intelligence Index
7.8
#337
Math Index
30.0
#178
MMLU-Pro
0.8
#165
GPQA
0.6
#289
HLE
0.0
#416
LiveCodeBench
0.4
#160
AIME
0.4
#63
IFBench
0.3
#296
Time to First Token
0.00s
#199
SciCode
0.2
#303
MATH-500
0.9
#69
AIME 2025
0.3
#178
LCR
0.0
#399
TerminalBench Hard
0.0
#270
TAU2
0.3
#225
Output TPS
0.0
#472

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Solar Pro 3128K$0.150$0.600Available
Solar Pro 2Current
Solar Pro 2Available
Solar Pro 2 PreviewAvailable
Solar Pro 2Available
Solar ProAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Solar Open 100B
Solar Large
Solar MiniMini
Solar MiniMini

Model IDs

solar-pro-2
solar-pro-2-preview
solar-pro-2-preview-reasoning
solar-pro-2-reasoning
upstage-solar-2-pro