Solar Pro 3 is Upstage's language model with a 128K context window, starting at $0.150 / 1M input and $0.600 / 1M output. Upstage's Solar Pro 3 Mixture-of-Experts LLM with 102B total parameters and 12B active parameters per forward pass, balancing high performance with efficient inference.
Specifications
Canonical IDupstage-solar-3-pro
TypeLanguage
StatusActive
CreatorUpstageUpstage
Providers
Context Window128K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 4 months ago
Benchmarks
Intelligence Index
25.9
#167
Coding Index
13.3
#257
GPQA
0.7
#167
HLE
0.1
#137
IFBench
0.7
#45
Time to First Token
0.00s
#192
SciCode
0.2
#296
LCR
0.3
#216
TerminalBench Hard
0.1
#214
TAU2
0.9
#75
Output TPS
0.0
#464

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities4/13
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·

Pricing by Provider

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
OpenRouter logo
OpenRouter
upstage/solar-pro-3
$0.150$0.600$0.015

Cost Calculator

Preset:

Versions

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

Other models

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

Model IDs