Upstage: Solar Pro 3

Upstage: Solar Pro 3

upstage · Released Jan 27, 2026 Efficient
49.4
Our Score

Performance Profile

Intelligence4.7Technical3.6Value7.8Content3.5
Intelligence 4.7/10
Technical 3.6/10
Content 3.5/10
Value 7.8/10

Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized..

$0.15 / 1M
Input Price
$0.60 / 1M
Output Price
128,000 tokens
Context Window

Capabilities

Tool Use Function Calling

Architecture

ModalityText → Text
TokenizerOther

Performance Indices

Source: Artificial Analysis

25.9 Intelligence Index
13.3 Coding Index
46.9 Agentic Index

Benchmark Scores

Intelligence

GPQA Diamond 72.4% Graduate-level scientific reasoning
HLE 10.1% Humanity's Last Exam
SciCode 24.7% Scientific computing

Technical

TerminalBench Hard 7.6% Agentic terminal tasks
τ²-Bench 86.3% Conversational agent benchmark

Content

IFBench 71.2% Instruction following
LCR 27% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Upstage: Solar Pro 3 stack up?

Compare side-by-side with other efficient models.

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Model Information

OpenRouter ID upstage/solar-pro-3
Providerupstage
Release Date January 27, 2026
Context Length128,000 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.15 $0.000150
Output $0.60 $0.000600

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

1,354ms
Best Latency (TTFT)
3 tok/s
Best Throughput
0/1
Active Endpoints
Available via: Upstage