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 · 7 months ago
Benchmarks
Intelligence Index
#282
Coding Index
#158
GPQA
#241
HLE
#218
IFBench
#57
Time to First Token
#478
SciCode
#368
LCR
#287
TerminalBench Hard
#241
TAU2
#92
Output TPS
#47

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

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$0.030$0.120Available
Solar Pro 3131K$0.150$0.600Current
Solar Pro 2Available
Solar Pro 2Available
Solar Pro 2 PreviewAvailable
Solar Pro 2Available
Solar ProAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Solar Open2 250B
Solar Open 100B
Solar Large
Solar MiniMini
Solar MiniMini

Model IDs

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