Grok 3 mini Reasoning (high) (Reasoning, High)

xAI's Grok 3 mini: High Reasoning, High Speed

Grok 3 mini Reasoning (high) (Reasoning, High)

A top-tier xAI model excelling in complex reasoning, offering exceptional speed and a large context window, with competitive pricing from its native provider.

High IntelligenceFast OutputComplex Reasoning1M Context WindowText & Image OutputProprietaryxAI Ecosystem

Grok 3 mini Reasoning (high) stands out as a formidable model from xAI, designed for demanding analytical tasks. It consistently ranks among the top performers in intelligence benchmarks, demonstrating a strong capacity for complex problem-solving and nuanced understanding. This model combines its intellectual prowess with impressive operational speed, making it a compelling choice for applications requiring both depth and efficiency. While its pricing structure is generally competitive, especially when sourced directly from xAI, users should be mindful of its notable verbosity, which can influence overall cost.

Scoring an impressive 57 on the Artificial Analysis Intelligence Index, Grok 3 mini Reasoning (high) significantly surpasses the average model score of 36, placing it at #13 out of 134 models evaluated. This high ranking underscores its advanced capabilities in processing and generating insightful responses. However, its performance on this index also revealed a high degree of verbosity, generating 110 million tokens compared to an average of 30 million. This characteristic, while indicative of thoroughness, requires careful consideration for cost-sensitive applications.

From a pricing perspective, Grok 3 mini Reasoning (high) offers a nuanced value proposition. The input token price is $0.30 per 1 million tokens, which is somewhat above the average of $0.25, positioning it as moderately expensive for ingesting data. Conversely, its output token price of $0.50 per 1 million tokens is quite competitive, falling below the average of $0.80. The blended price from xAI is particularly attractive at $0.35 per million tokens. The total cost to evaluate Grok 3 mini Reasoning (high) on the Intelligence Index amounted to $73.83, reflecting the balance of its token pricing and the volume of tokens generated.

Beyond its core intelligence and pricing, Grok 3 mini Reasoning (high) boasts an average output speed of 177.8 tokens per second, securing its position as a notably fast model at #22 out of 134. It supports text input and is capable of generating both text and image outputs, offering versatility for multimodal applications. Furthermore, its substantial 1 million token context window allows for the processing of extensive inputs, enabling deeper contextual understanding and more comprehensive responses, which is crucial for complex reasoning tasks.

Scoreboard

Intelligence

57 (#13 / 134)

A top performer, scoring 57 on the Intelligence Index, well above the average of 36. This reflects 4 out of 4 units for Intelligence.
Output speed

177.8 tokens/s

Notably fast, ranking #22 overall. This model achieves 4 out of 4 units for Speed, with xAI Fast reaching 193 t/s.
Input price

$0.30 $/M tokens

Somewhat expensive, at $0.30/M tokens (average: $0.25). Earns 3 out of 4 units for Input Price.
Output price

$0.50 $/M tokens

Moderately priced, at $0.50/M tokens (average: $0.80). Earns 2 out of 4 units for Output Price.
Verbosity signal

110M tokens

Very verbose, generating 110M tokens during evaluation (average: 30M). This contributes 4 out of 4 units for Verbosity.
Provider latency

0.35 s

Lowest observed time to first token, achieved via Azure. xAI offers 0.52s, and xAI Fast 0.56s.

Technical specifications

Spec Details
Owner xAI
License Proprietary
Context Window 1M tokens
Input Modalities Text
Output Modalities Text, Image
Intelligence Index Score 57 (Rank #13 / 134)
Average Output Speed 177.8 tokens/s (Rank #22 / 134)
Input Token Price $0.30 / 1M tokens (Rank #79 / 134)
Output Token Price $0.50 / 1M tokens (Rank #36 / 134)
Verbosity (Intelligence Index) 110M tokens (Rank #97 / 134)
Lowest Latency Observed 0.35s (via Azure)
Total Evaluation Cost $73.83 (for Intelligence Index)

What stands out beyond the scoreboard

Where this model wins
  • Exceptional Intelligence: Ranks among the top models for complex reasoning and analytical capabilities, scoring 57 on the Intelligence Index.
  • High Output Speed: Delivers responses quickly, with an average of 177.8 tokens/s, making it suitable for high-throughput applications.
  • Large Context Window: A 1 million token context window allows for processing extensive inputs and maintaining deep contextual understanding.
  • Competitive Blended Price (xAI): When sourced directly from xAI, it offers a very attractive blended price of $0.35/M tokens.
  • Multimodal Output: Capable of generating both text and image outputs, adding versatility to its applications.
Where costs sneak up
  • High Verbosity: The model's tendency to generate extensive outputs (110M tokens in evaluation) can significantly increase overall token costs, especially for verbose tasks.
  • Input Token Price: At $0.30/M tokens, its input price is somewhat higher than the average, which can add up for applications with large input volumes.
  • Provider Price Discrepancies: While xAI offers competitive pricing, other providers like xAI Fast have significantly higher output token prices ($4.00/M tokens), impacting cost-effectiveness.
  • Latency Variability: While Azure offers excellent latency, other providers might introduce higher delays, which could be critical for real-time applications.
  • Proprietary Lock-in: Being a proprietary model from xAI, users are tied to their ecosystem and pricing structures, limiting flexibility.

Provider pick

Choosing the right API provider for Grok 3 mini Reasoning (high) can significantly impact performance and cost. While xAI offers the native and often most balanced option, other providers like Microsoft Azure can excel in specific areas such as latency.

Consider your primary objective – whether it's raw speed, minimal latency, or the lowest possible cost – to make an informed decision from the available providers.

Priority Pick Why Tradeoff to accept
Lowest Blended Price xAI Offers the lowest overall cost at $0.35/M tokens, with competitive input and output pricing. Slightly higher latency (0.52s) compared to Azure.
Highest Output Speed xAI Fast Achieves the fastest output speed at 193 t/s, ideal for high-throughput needs. Significantly higher blended price ($1.45/M tokens) and output token price ($4.00/M tokens).
Lowest Latency Azure Provides the quickest time to first token at 0.35s, crucial for real-time interactions. Higher blended price and lower output speed (133 t/s) compared to xAI.
Lowest Input Token Price xAI Offers the best input token price at $0.30/M tokens. Input price is still slightly above the market average.
Lowest Output Token Price xAI Provides the most economical output tokens at $0.50/M tokens. Output price from xAI Fast is considerably higher.
Balanced Performance xAI A strong all-rounder, balancing good speed (179 t/s), reasonable latency (0.52s), and the best overall pricing. Not the absolute fastest or lowest latency option available.

Note: Blended prices are calculated based on a 50/50 input/output token split. Actual costs may vary based on your specific usage patterns.

Real workloads cost table

Understanding the real-world cost implications of Grok 3 mini Reasoning (high) requires looking beyond raw token prices. Its high verbosity, while contributing to thoroughness, can significantly impact the total cost for various applications. Below are estimated costs for common scenarios, assuming a 50/50 input/output token split and using xAI's blended pricing ($0.35/M tokens).

These estimates provide a practical perspective on how Grok 3 mini Reasoning (high)'s characteristics translate into operational expenses for different use cases.

Scenario Input Output What it represents Estimated cost
Complex Document Analysis 100k tokens (e.g., legal brief) 250k tokens (detailed summary, Q&A) Analyzing and summarizing large, intricate documents. $0.12
Advanced Code Generation 50k tokens (complex requirements) 150k tokens (multi-file code, explanations) Generating extensive, well-commented code for specific functionalities. $0.07
Creative Content Generation 20k tokens (detailed prompt) 80k tokens (long-form article, story) Producing verbose, high-quality creative content or marketing copy. $0.03
Research & Synthesis 75k tokens (multiple research papers) 200k tokens (synthesized report, insights) Consolidating information from various sources into a comprehensive report. $0.10
Customer Support Automation 5k tokens (complex query history) 15k tokens (detailed resolution, follow-up) Handling intricate customer inquiries requiring extensive context and detailed responses. $0.007
Educational Content Creation 30k tokens (curriculum outline) 100k tokens (lesson plans, explanations) Developing detailed educational materials or interactive learning modules. $0.04

Grok 3 mini Reasoning (high)'s cost-effectiveness is highly dependent on the verbosity required by the task. For applications where detailed, extensive outputs are valuable, its competitive output token price from xAI can make it a strong contender, despite its higher input cost. However, for tasks where conciseness is paramount, careful prompt engineering to manage output length will be crucial to optimize costs.

How to control cost (a practical playbook)

Optimizing costs for Grok 3 mini Reasoning (high) involves strategic choices in provider selection, prompt engineering, and output management. Given its high intelligence and verbosity, a thoughtful approach can significantly enhance its cost-effectiveness without compromising performance.

Here are key strategies to help you manage and reduce your operational expenses while leveraging the full power of this advanced model.

Strategic Provider Selection

Choosing the right API provider is paramount for cost optimization, as pricing can vary significantly.

  • Prioritize xAI for Blended Price: For most general use cases, xAI offers the most competitive blended price ($0.35/M tokens), making it the default choice for cost-conscious users.
  • Consider Azure for Latency-Critical Tasks: If low latency is your absolute top priority, Azure's 0.35s TTFT might justify its higher blended cost. Evaluate if the performance gain outweighs the price difference.
  • Avoid xAI Fast for Cost-Sensitivity: While xAI Fast offers the highest output speed, its significantly higher output token price ($4.00/M tokens) makes it less suitable for cost-optimized workflows unless raw speed is the sole, non-negotiable requirement.
Prompt Engineering for Verbosity Control

Grok 3 mini Reasoning (high) is notably verbose. Controlling output length through prompt engineering is crucial for cost management.

  • Specify Output Length: Explicitly instruct the model on desired output length (e.g., "Summarize in 3 sentences," "Provide a concise answer," "Limit response to 200 words").
  • Use Role-Playing: Assign a role that implies conciseness (e.g., "Act as a concise executive assistant").
  • Iterative Refinement: For complex tasks, consider breaking them down. Get a high-level answer first, then ask for specific details if needed, rather than one massive output.
  • Leverage System Prompts: Utilize system prompts to set a global instruction for conciseness across multiple interactions.
Output Management & Post-Processing

Even with careful prompting, some verbosity might occur. Implement strategies to manage and process outputs efficiently.

  • Token Counting & Monitoring: Integrate token counting into your application to monitor actual usage and identify verbose patterns. Set alerts for unusually high token counts.
  • Output Truncation: If strict length limits are necessary, implement client-side or server-side truncation of model outputs. Be cautious not to cut off critical information.
  • Caching Strategies: For frequently asked questions or common requests, cache model responses to avoid regenerating the same content and incurring repeated costs.
Batch Processing & Asynchronous Calls

For non-real-time applications, batching requests can improve efficiency and potentially reduce costs.

  • Group Similar Queries: Combine multiple, independent queries into a single API call if the provider supports it, or process them in batches.
  • Asynchronous Processing: For tasks that don't require immediate responses, use asynchronous calls to manage throughput and potentially leverage off-peak pricing if available.
  • Optimize Input Context: While Grok 3 mini has a large context window, only include truly relevant information to avoid unnecessary input token costs.

FAQ

What is Grok 3 mini Reasoning (high) best suited for?

Grok 3 mini Reasoning (high) is best suited for applications requiring advanced analytical capabilities, complex problem-solving, detailed content generation, and deep contextual understanding. Its high intelligence score and large context window make it ideal for tasks like legal document analysis, scientific research synthesis, advanced code generation, and intricate customer support.

How does its intelligence compare to other models?

Grok 3 mini Reasoning (high) scores 57 on the Artificial Analysis Intelligence Index, placing it significantly above the average model score of 36 and ranking it #13 out of 134 models. This indicates superior performance in reasoning and understanding compared to most comparable models.

What are the main cost considerations for this model?

The primary cost considerations are its somewhat expensive input token price ($0.30/M tokens) and its high verbosity (110M tokens generated during evaluation). While its output token price ($0.50/M tokens) is competitive, the sheer volume of output can drive up costs. Strategic provider choice (xAI offers the best blended price) and careful prompt engineering to control output length are crucial for cost optimization.

Can Grok 3 mini Reasoning (high) generate images?

Yes, Grok 3 mini Reasoning (high) supports multimodal output, meaning it can generate both text and image content. This capability enhances its versatility for applications requiring visual elements alongside textual explanations or creative outputs.

What is its context window size?

Grok 3 mini Reasoning (high) features a substantial 1 million token context window. This allows the model to process and retain a vast amount of information within a single interaction, enabling more coherent, contextually aware, and comprehensive responses for complex tasks.

Which provider offers the best performance for Grok 3 mini Reasoning (high)?

Performance varies by provider based on your priority:

  • For lowest blended price: xAI ($0.35/M tokens)
  • For highest output speed: xAI Fast (193 t/s)
  • For lowest latency: Microsoft Azure (0.35s)
xAI generally offers a balanced performance across speed, latency, and cost.
Is Grok 3 mini Reasoning (high) suitable for real-time applications?

Yes, it can be suitable for real-time applications, especially when using providers like Azure which offer very low latency (0.35s). Its high output speed also contributes to quick response times. However, for extremely latency-sensitive scenarios, careful benchmarking with your specific workload and chosen provider is recommended.


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