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Solar Pro 2 (Preview) (Reasoning)
Preview reasoning-enhanced version of Solar Pro 2, showcasing Upstage's latest advances in Korean-first global AI. Features hybrid reasoning modes and global performance benchmarks while maintaining compact 31B architecture with powerful reasoning capabilities. Free access until July 15, 2025, allowing users to experience next-generation Korean AI reasoning and multilingual processing.
Intelligence(Medium)
Speed(Slow)
Input Supported Modalities
Yes
Is Reasoning Model
64,000
Context Window
-
Maximum Output Tokens
-
Knowledge Cutoff
Pricing
- /M tokens
Input
- /M tokens
Output
- /M tokens
Blended Price
Quick Simple Comparison
Solar Pro 2
Solar Pro 2 (Reasoning)
Solar Pro 2 (Preview)
Basic Parameters
Solar Pro 2 (Preview) (Reasoning)Technical Parameters
Parameter Count
Not Announced
Context Length
64.00k tokens
Training Data Cutoff
Open Source Category
Proprietary
Multimodal Support
Text Only
Throughput
Release Date
2025-05-20
Response Speed
0 tokens/s
Benchmark Scores
Below is the performance of Solar Pro 2 (Preview) (Reasoning) in various standard benchmark tests. These tests evaluate the model's capabilities in different tasks and domains.
Intelligence Index
50.76
Large Language Model Intelligence Level
Coding Index
31.34
Indicator of AI model performance on coding tasks
Math Index
78.17
Capability indicator in solving mathematical problems, mathematical reasoning, or performing math-related tasks
MMLU Pro
76.8
Massive Multitask Multimodal Understanding - Testing understanding of text, images, audio, and video
GPQA
57.8
Graduate Physics Questions Assessment - Testing advanced physics knowledge with diamond science-level questions
HLE
5.7
The model's comprehensive average score on the Hugging Face Open LLM Leaderboard
LiveCodeBench
46.2
Specific evaluation focused on assessing large language models' ability in real-world code writing and solving programming competition problems
SciCode
16.4
The model's capability in code generation for scientific computing or specific scientific domains
HumanEval
-
Score achieved by the AI model on the specific HumanEval benchmark test set
Math 500 Score
90
Score on the first 500 larger, more well-known mathematical benchmark tests
AIME Score
66.3
An indicator measuring an AI model's ability to solve high-difficulty mathematical competition problems (specifically AIME level)
GPT 5 Mini
openai
￥1.8
Input tokens/million
￥14.4
Output tokens/million
400k
Context Length
GPT 5 Standard
openai
￥63
Input tokens/million
￥504
Output tokens/million
400k
Context Length
GPT 5 Nano
openai
￥0.36
Input tokens/million
￥2.88
Output tokens/million
400k
Context Length
GPT 5
openai
￥9
Input tokens/million
￥72
Output tokens/million
400k
Context Length
GLM 4.5
chatglm
￥0.43
Input tokens/million
￥1.01
Output tokens/million
131k
Context Length
Gemini 2.0 Flash Lite (Preview)
google
￥0.58
Input tokens/million
￥2.16
Output tokens/million
1M
Context Length
Gemini 1.0 Pro
google
￥3.6
Input tokens/million
￥10.8
Output tokens/million
33k
Context Length
Qwen2.5 Coder Instruct 32B
alibaba
￥0.65
Input tokens/million
￥0.65
Output tokens/million
131k
Context Length