Solar Pro 3 is Upstage's language model with a 131K context window and up to 118K output tokens, starting at $0.15 / 1M input and $0.6 / 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 Window131K tokens
Max Output118K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 9 months ago
Benchmarks
Intelligence Index
#397
Coding Index
#166
GPQA
#251
HLE
#246
IFBench
#56
Time to First Token
#453
SciCode
#391
LCR
#313
TerminalBench Hard
#242
TAU2
#91
Output TPS
#68

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities6/13
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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
OpenRouter logo
OpenRouter
upstage/solar-pro-3
$0.15$0.6$0.015

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Solar Pro 4524K$0.090$0.360Available
Solar Pro 3131K$0.150$0.600Current
Solar Pro 2————Available
Solar Pro 2————Available
Solar Pro 2————Available
Solar Pro 2 Preview————Available
Solar Pro————Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Solar Mini 4Mini524K$0.050$0.200
Solar Open2 250B—————
Solar Open 100B—————
Solar Large—————
Solar MiniMini————
Solar MiniMini————

Model IDs

openrouter/upstage/solar-pro-3
solar-pro-3
upstage-solar-3-pro
upstage/solar-pro-3