Solar Pro 2 (Non-reasoning)

Fast, focused, and above-average intelligence for non-reasoning tasks.

Solar Pro 2 (Non-reasoning)

Solar Pro 2 is a high-speed, non-reasoning model from Upstage, offering above-average intelligence for focused text generation and processing tasks.

Non-ReasoningHigh SpeedAbove Average IntelligenceText-to-Text66k ContextUpstageProprietary

Solar Pro 2 (Non-reasoning) stands out as a robust offering from Upstage, specifically engineered for tasks that demand high throughput and efficient text generation without complex logical inference. This model excels in scenarios where rapid content production, summarization, or data extraction are paramount. Its performance metrics, particularly in output speed and latency, position it as a strong contender for applications requiring quick responses and high-volume processing.

Benchmarked across critical performance indicators, Solar Pro 2 demonstrates an impressive median output speed of 124 tokens per second, significantly faster than the average for comparable models. This speed is complemented by a low latency of just 1.20 seconds to the first token, making it highly responsive. Such characteristics are invaluable for real-time applications, interactive user experiences, and batch processing where time is a critical factor.

In terms of intelligence, Solar Pro 2 scores 30 on the Artificial Analysis Intelligence Index, placing it comfortably above the average of 28 for its class. This indicates a strong capability in understanding and generating relevant text, even for a non-reasoning model. While it is noted for being somewhat verbose, generating 12M tokens during evaluation compared to an average of 11M, this verbosity can be an advantage in tasks requiring detailed or expansive outputs, provided it is managed effectively.

The model supports text input and output, featuring a substantial 66k token context window. This large context allows it to process and generate longer pieces of text, maintain coherence over extended dialogues, or handle complex documents without losing track of the broader narrative. This makes it suitable for a wide array of text-based applications, from content creation to sophisticated data processing pipelines.

From a pricing perspective, Solar Pro 2 is positioned with an input token price of $0.50 per 1M tokens and an output token price of $0.50 per 1M tokens. While its input token price is considered expensive compared to the average, its output token price is moderately priced. The blended price of $0.50 per 1M tokens (based on a 3:1 ratio) reflects a balanced cost structure, but users should be mindful of the input cost for token-heavy prompts. Overall, Solar Pro 2 offers a compelling blend of speed, intelligence, and context for non-reasoning tasks, making it a valuable asset for developers and businesses leveraging the Upstage ecosystem.

Scoreboard

Intelligence

30 (#30 / 77 / 77)

Above average for non-reasoning models, scoring 30 on the Artificial Analysis Intelligence Index against an average of 28.
Output speed

124.4 tokens/s

Significantly faster than the average of 93 tokens/s, ensuring rapid content generation.
Input price

$0.50 per 1M tokens

Considered expensive compared to the average input price of $0.25 for similar models.
Output price

$0.50 per 1M tokens

Moderately priced, aligning well with the average output price of $0.60.
Verbosity signal

12M tokens

Somewhat verbose, generating 12M tokens during evaluation compared to an average of 11M.
Provider latency

1.20 seconds

Low time to first token (TTFT), contributing to a highly responsive user experience.

Technical specifications

Spec Details
Owner Upstage
License Proprietary
Context Window 66k tokens
Input Type Text
Output Type Text
Model Type Non-reasoning
API Provider Upstage
Blended Price $0.50 per 1M tokens (3:1 blend)
Input Token Price $0.50 per 1M tokens
Output Token Price $0.50 per 1M tokens
Intelligence Index Score 30 / 77
Median Output Speed 124.4 tokens/s
Latency (TTFT) 1.20 seconds
Total Evaluation Cost $24.07 (on Intelligence Index)

What stands out beyond the scoreboard

Where this model wins
  • Exceptional Output Speed: With a median of 124.4 tokens/s, Solar Pro 2 is one of the fastest models in its class, ideal for high-throughput applications.
  • Low Latency: A TTFT of 1.20 seconds ensures quick responses, enhancing user experience in interactive scenarios.
  • Above-Average Intelligence (Non-reasoning): Scores 30 on the Intelligence Index, demonstrating strong text generation and understanding capabilities for its category.
  • Generous Context Window: A 66k token context window allows for processing and generating longer, more coherent texts and handling complex documents.
  • Reliable Upstage Integration: Seamlessly integrates within the Upstage ecosystem, offering consistent performance and support.
Where costs sneak up
  • Higher Input Token Price: At $0.50 per 1M tokens, the input price is notably above the average, potentially increasing costs for applications with lengthy prompts.
  • Verbosity Factor: While sometimes beneficial, its tendency to be verbose (12M tokens generated vs. 11M average) can lead to higher output token consumption and thus increased costs if not carefully managed.
  • Non-Reasoning Limitation: As a non-reasoning model, it's not suitable for tasks requiring complex logical inference, problem-solving, or deep analytical capabilities, which might necessitate using a more expensive reasoning model.
  • Blended Price Considerations: The 3:1 blended price might mask higher costs if your application has a different input-to-output token ratio, especially if input tokens dominate.
  • Proprietary Lock-in: Being a proprietary model from Upstage, switching providers or leveraging open-source alternatives might involve significant refactoring.

Provider pick

Choosing the right model involves balancing performance, cost, and specific application requirements. For Solar Pro 2, its strengths lie in speed and non-reasoning intelligence within the Upstage ecosystem. Here's how it stacks up for various priorities:

Priority Pick Why Tradeoff to accept
Priority Pick Why Tradeoff
Maximum Output Speed Upstage (Solar Pro 2) Unmatched 124.4 tokens/s and low latency make it ideal for high-throughput generation. Higher input token cost compared to some alternatives.
Cost-Effective Non-Reasoning Alternative (e.g., smaller, open-source model) If budget is the absolute top priority and slightly lower performance is acceptable. Likely lower intelligence score, slower output speed, and smaller context window.
Balanced Performance & Cost Upstage (Solar Pro 2) Offers a strong blend of speed and above-average intelligence for its class, with a moderate blended price. Input token price can be a factor for very long prompts.
Large Context Processing Upstage (Solar Pro 2) The 66k context window is excellent for handling extensive documents or maintaining long conversational threads. Verbosity might lead to higher output token usage for some tasks.
Upstage Ecosystem Integration Upstage (Solar Pro 2) Native integration and optimization within the Upstage platform for seamless development and deployment. Proprietary nature means less flexibility for multi-cloud or open-source strategies.

Note: 'Alternative' models are hypothetical and represent general categories that might offer different trade-offs depending on specific market offerings.

Real workloads cost table

Understanding the real-world cost implications of using Solar Pro 2 requires looking at typical application scenarios. The following examples illustrate estimated costs based on the model's pricing and performance characteristics, assuming a 3:1 input-to-output token ratio for the blended price.

Scenario Input Output What it represents Estimated cost
Scenario Input Output What it represents Estimated Cost
Product Description Generation 500 tokens (product features) 1,500 tokens (description) Generating marketing copy for e-commerce listings. $0.0010 per description
Short Article Summarization 5,000 tokens (article text) 1,000 tokens (summary) Condensing news articles or reports for quick consumption. $0.0030 per summary
Customer Support Response Draft 1,000 tokens (customer query, history) 2,000 tokens (draft response) Assisting agents by drafting initial replies to common inquiries. $0.0015 per response
Data Extraction (Structured Text) 10,000 tokens (document scan) 500 tokens (extracted data) Pulling specific fields from invoices or legal documents. $0.0050 per document
Content Rephrasing/Paraphrasing 2,000 tokens (original text) 2,500 tokens (rephrased text) Rewriting content for different tones or audiences. $0.0015 per rephrase
Large Document Analysis (Chunked) 60,000 tokens (document chunk) 5,000 tokens (analysis notes) Processing large reports in segments within the context window. $0.0325 per chunk

These examples highlight that while Solar Pro 2's input price is higher, its efficiency and speed can still make it cost-effective for many non-reasoning tasks, especially where output volume is high or latency is critical. Careful prompt engineering and output management are key to optimizing costs.

How to control cost (a practical playbook)

Optimizing the cost of using Solar Pro 2 involves strategic prompt design and understanding its unique characteristics. Here are key strategies to maximize efficiency and minimize expenditure:

Manage Input Token Length

Given Solar Pro 2's higher input token price, it's crucial to be concise with your prompts. Avoid unnecessary context or verbose instructions that don't directly contribute to the desired output.

  • Prune Prompts: Remove redundant phrases, filler words, or overly detailed examples that the model doesn't strictly need.
  • Reference External Data: Instead of including large datasets directly in the prompt, consider referencing external knowledge bases or using retrieval-augmented generation (RAG) techniques if applicable.
  • Iterative Prompting: For complex tasks, break them down into smaller, sequential prompts rather than one massive input, especially if intermediate results can be summarized.
Control Output Verbosity

Solar Pro 2 is noted for its verbosity. While this can be beneficial for detailed outputs, it can also lead to higher costs if not managed. Explicitly guide the model on desired output length and format.

  • Specify Length Constraints: Use clear instructions like "Summarize in 3 sentences," "Generate a 100-word description," or "Provide bullet points only."
  • Format Guidance: Request specific formats (e.g., JSON, bulleted lists, short paragraphs) to encourage conciseness.
  • Post-Processing: Implement post-processing steps to trim or filter excessive output if the model consistently generates more than needed.
Leverage High Output Speed

The model's exceptional output speed is a significant advantage. Design your workflows to capitalize on this for high-volume tasks.

  • Batch Processing: Group multiple, independent requests into batches to maximize throughput and reduce overhead.
  • Real-Time Applications: Utilize its low latency for interactive applications where quick responses are critical, such as chatbots or dynamic content generation.
  • Scalable Architectures: Design your system to scale horizontally, allowing you to process more requests concurrently and fully utilize the model's speed.
Optimize Context Window Usage

The 66k context window is powerful but should be used judiciously to balance cost and performance.

  • Strategic Context Inclusion: Only include information in the context that is directly relevant to the current task. Avoid stuffing the context with irrelevant historical data.
  • Summarize History: For long-running conversations or document processing, periodically summarize past interactions or document sections to keep the context window lean.
  • Chunking Large Documents: For documents exceeding 66k tokens, implement a chunking strategy, processing sections sequentially and potentially summarizing each chunk before feeding it into the next.

FAQ

What kind of tasks is Solar Pro 2 best suited for?

Solar Pro 2 (Non-reasoning) is ideal for tasks requiring high-speed text generation and processing without complex logical inference. This includes content creation (e.g., product descriptions, marketing copy), summarization, data extraction from structured text, rephrasing, and drafting responses in customer support or communication applications. Its speed and context window make it excellent for high-throughput and real-time scenarios.

How does its 'non-reasoning' nature affect its capabilities?

As a non-reasoning model, Solar Pro 2 excels at pattern recognition, text generation, and understanding based on its training data, but it does not perform complex logical deduction, problem-solving, or deep analytical tasks that require multi-step reasoning. For tasks like mathematical calculations, complex code debugging, or strategic planning, a reasoning-capable model would be more appropriate.

Is Solar Pro 2 cost-effective despite its higher input price?

Yes, Solar Pro 2 can be highly cost-effective, especially for applications that prioritize speed and require above-average intelligence for non-reasoning tasks. While its input token price is higher, its moderate output price and exceptional output speed can lead to overall efficiency gains. Strategic prompt engineering to minimize input tokens and control output verbosity is key to optimizing costs.

What is the significance of its 66k context window?

A 66k token context window allows Solar Pro 2 to process and generate significantly longer pieces of text while maintaining coherence. This is crucial for tasks involving lengthy documents, extended conversations, or complex data inputs where the model needs to retain a broad understanding of the information provided. It reduces the need for frequent summarization or chunking compared to models with smaller context windows.

How does Solar Pro 2 compare to other models in terms of speed?

Solar Pro 2 is notably fast, with a median output speed of 124.4 tokens per second, which is significantly above the average of 93 tokens per second for comparable models. This makes it one of the leading choices for applications where rapid content generation and low latency (1.20 seconds TTFT) are critical performance requirements.

What are the main considerations for integrating Solar Pro 2 into an application?

When integrating Solar Pro 2, consider its strengths in speed and non-reasoning intelligence for appropriate task mapping. Pay close attention to prompt engineering to manage input costs and control output verbosity. Leverage its large context window for complex documents, and design your application to capitalize on its high throughput for scalable solutions within the Upstage ecosystem.

Can Solar Pro 2 be used for multilingual tasks?

While the provided data doesn't explicitly detail multilingual capabilities, most modern large language models, including those from Upstage, are trained on diverse datasets and often support multiple languages. However, for critical multilingual applications, it's always recommended to test its performance thoroughly with your specific language pairs and use cases to ensure accuracy and fluency.


Subscribe