Llama 3 8B (instruct)

Cost-Effective, High-Throughput 8B Model

Llama 3 8B (instruct)

A highly optimized open-source model, Llama 3 8B Instruct excels in cost-efficiency and speed for a wide range of non-reasoning generative tasks.

Open-Source8B ParametersInstruction-TunedCost-EffectiveLow LatencyHigh Throughput

The Llama 3 8B Instruct model, developed by Meta, represents a significant advancement in the landscape of open-source language models. Designed for efficiency and performance, this 8-billion parameter model is instruction-tuned, making it particularly adept at following directives and generating coherent, contextually relevant responses. While it may not lead in complex reasoning benchmarks, its strength lies in its ability to deliver reliable output at a highly competitive price point and impressive speeds, making it an attractive option for a myriad of practical applications.

Our comprehensive analysis of Llama 3 8B Instruct across various API providers—including Novita, Amazon Bedrock, Replicate, and Deepinfra—reveals a nuanced picture of its real-world performance. We've benchmarked key metrics such as time to first token (latency), output speed (tokens per second), and pricing structures (blended, input, and output token costs). This detailed evaluation helps to identify optimal providers based on specific operational priorities, from minimizing latency to maximizing throughput or achieving the lowest overall cost.

Despite its position at the lower end of the Artificial Analysis Intelligence Index, scoring 7 out of 55, Llama 3 8B Instruct distinguishes itself through its exceptional value proposition. It is particularly well-suited for tasks that do not demand deep reasoning or extensive knowledge recall beyond its February 2023 cutoff, such as content generation, summarization, and basic conversational AI. Its 8k token context window further supports a broad array of use cases where moderate input and output lengths are common.

The model's average output speed of 68.1 tokens per second, while slightly below the overall average for all models benchmarked, is highly competitive within its class. Coupled with its moderately priced token costs—$0.04 per 1 million input tokens and $0.15 per 1 million output tokens—Llama 3 8B Instruct stands out as a pragmatic choice for developers and businesses looking to deploy powerful AI capabilities without incurring prohibitive expenses. The ongoing evolution of Llama 3 endpoints, with some providers transitioning to Llama 3.1, underscores the dynamic nature of this ecosystem and the continuous pursuit of improved performance.

Scoreboard

Intelligence

7 (#47 / 55 / 8B Parameters)

Among the least intelligent models, but highly effective for non-reasoning tasks and content generation.
Output speed

68.1 tokens/s

Slower than the overall average (93 t/s), but competitive and efficient for its size class.
Input price

$0.04 per 1M tokens

Moderately priced, offering excellent value for high-volume input processing.
Output price

$0.15 per 1M tokens

Moderately priced, providing a cost-effective solution for generative outputs.
Verbosity signal

N/A

Data not available for this specific metric in current benchmarks.
Provider latency

0.31s s (Deepinfra)

Exceptional low latency, with Deepinfra leading for time to first token.

Technical specifications

Spec Details
Model Name Llama 3 8B Instruct
Developer Meta
License Open
Parameters 8 Billion
Model Type Instruction-Tuned
Context Window 8k tokens
Knowledge Cutoff February 2023
Intelligence Index Score 7 / 55
Average Output Speed 68.1 tokens/s
Average Input Price $0.04 / 1M tokens
Average Output Price $0.15 / 1M tokens
Primary Use Cases Content Generation, Summarization, Chatbots, Code Assistance

What stands out beyond the scoreboard

Where this model wins
  • Exceptional Cost-Efficiency: Among the most affordable models for its capabilities, making it ideal for budget-conscious deployments.
  • High Throughput for its Class: Delivers competitive output speeds, especially when optimized with the right provider, suitable for high-volume tasks.
  • Low Latency Performance: Achieves impressive time-to-first-token, crucial for real-time interactive applications.
  • Open-Source Flexibility: Benefits from an open license, fostering community innovation and allowing for greater customization and deployment options.
  • Strong Instruction Following: Its instruction-tuned nature ensures reliable and accurate responses to prompts, reducing the need for extensive prompt engineering.
  • Versatile for Non-Reasoning Tasks: Excels in content generation, summarization, and basic conversational AI where deep reasoning isn't the primary requirement.
Where costs sneak up
  • Limited Complex Reasoning: Not designed for highly complex logical deduction or multi-step reasoning, which could lead to suboptimal results in advanced analytical tasks.
  • Context Window Constraints: The 8k token context window, while adequate for many tasks, can be a limitation for very long documents or extended conversations.
  • Knowledge Cutoff: Information is limited to February 2023, meaning it cannot provide current events or up-to-date factual information without external RAG systems.
  • Provider Variability: Performance metrics like latency and speed vary significantly across API providers, requiring careful selection and testing to achieve desired outcomes.
  • Potential for Hallucinations: Like many generative models, it can occasionally produce factually incorrect or nonsensical information, necessitating robust validation in critical applications.

Provider pick

Selecting the right API provider for Llama 3 8B Instruct can significantly impact your application's performance and cost-effectiveness. Our benchmarks highlight distinct advantages for each provider across key metrics.

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

Priority Pick Why Tradeoff to accept
Lowest Latency Deepinfra Consistently delivers the fastest Time To First Token (TTFT) at 0.31s, crucial for interactive applications. Output speed (48 t/s) is lower than Amazon or Novita.
Highest Throughput Amazon Bedrock Offers the highest output speed at 84 tokens/s, ideal for batch processing and high-volume generation. Significantly higher blended price ($0.38/M tokens) compared to other providers.
Best Blended Value Deepinfra / Novita Both offer the lowest blended price at $0.04/M tokens, making them highly cost-effective. Deepinfra has lower output speed; Novita has higher latency. Choose based on your speed/latency priority.
Balanced Performance Novita Good balance of output speed (73 t/s) and very low blended price ($0.04/M tokens), with moderate latency. Latency (0.73s) is higher than Deepinfra and Amazon.
Developer-Friendly Replicate Offers a competitive output speed (66 t/s) and moderate latency (0.43s), often favored for ease of integration. Higher blended price ($0.10/M tokens) than Deepinfra or Novita.

Note: Some providers are actively deprecating Llama 3 endpoints in favor of Llama 3.1. Always verify endpoint availability and pricing directly with the provider.

Real workloads cost table

Understanding the real-world cost of using Llama 3 8B Instruct involves more than just looking at per-token prices. Here are several common scenarios with estimated costs, based on the model's average input price of $0.04/M tokens and output price of $0.15/M tokens.

These examples illustrate how the model's efficiency translates into tangible savings for various generative tasks.

Scenario Input Output What it represents Estimated cost
Short Email Draft 200 tokens 150 tokens Generating a concise, professional email response. $0.0000305
Blog Post Outline 500 tokens 300 tokens Creating a structured outline for a blog article. $0.000065
Customer Service Response 300 tokens 200 tokens Automating a standard reply to a customer inquiry. $0.000042
Code Snippet Generation 100 tokens 100 tokens Producing a small, functional block of code. $0.000019
Product Description 400 tokens 250 tokens Crafting a compelling description for an e-commerce item. $0.0000535
Summarize Article (Medium) 2000 tokens 200 tokens Condensing a medium-length article into key points. $0.00011

These examples demonstrate that Llama 3 8B Instruct offers extremely low per-use costs for typical generative tasks. Even with thousands of requests, the total expenditure remains highly manageable, making it an excellent choice for scaling applications.

How to control cost (a practical playbook)

Optimizing the cost of using Llama 3 8B Instruct involves strategic choices in prompt design, provider selection, and usage patterns. Here are key strategies to maximize efficiency and minimize expenditure.

Prompt Engineering for Brevity

Since both input and output tokens incur costs, crafting concise yet effective prompts is paramount. Avoid unnecessary verbosity in your instructions and guide the model to produce equally brief, high-value outputs.

  • Be Direct: State your request clearly and without preamble.
  • Use Examples: Provide few-shot examples to guide the model's output format and length.
  • Specify Length: Explicitly ask for short answers, summaries, or specific word/sentence counts.
Strategic Provider Selection

As our benchmarks show, provider pricing varies significantly. Align your choice with your primary cost driver (input vs. output tokens) and overall budget.

  • For Lowest Blended Cost: Consider Deepinfra or Novita.
  • For High Output Volume: Compare Amazon's higher output speed against its higher price.
  • For Latency-Sensitive Apps: Deepinfra offers the best TTFT, which can indirectly save costs by improving user experience and reducing abandonment.
Batch Processing for Throughput

For non-interactive tasks, batching multiple requests can improve overall throughput and potentially reduce per-request overhead, depending on the provider's API.

  • Group Similar Tasks: Combine prompts that require similar processing for efficiency.
  • Monitor Provider Limits: Be aware of rate limits and concurrent request limits to optimize batch sizes.
Implement Caching Mechanisms

For frequently requested or static content, caching model responses can drastically reduce API calls and associated costs.

  • Identify Common Queries: Cache responses for popular FAQs, standard greetings, or repetitive content.
  • Set Expiration Policies: Implement intelligent caching with appropriate expiration times to balance freshness and cost savings.
Output Filtering and Truncation

If the model tends to be verbose, implement post-processing to truncate or filter outputs to the desired length, ensuring you only pay for what you truly need.

  • Define Max Lengths: Set a maximum token count for generated responses in your application logic.
  • Remove Boilerplate: Filter out any repetitive or unnecessary introductory/concluding phrases.

FAQ

What is Llama 3 8B Instruct?

Llama 3 8B Instruct is an 8-billion parameter language model developed by Meta. It is specifically instruction-tuned, meaning it's optimized to follow human instructions and generate helpful, relevant responses, making it suitable for a wide array of generative AI tasks.

How does Llama 3 8B compare to larger Llama 3 models?

The 8B variant is the smallest in the Llama 3 family, designed for efficiency and speed. While it may not match the reasoning capabilities or extensive knowledge of larger models like Llama 3 70B, it offers a superior balance of performance and cost for tasks that don't require deep, complex reasoning.

Is Llama 3 8B suitable for complex reasoning tasks?

No, Llama 3 8B Instruct is not primarily designed for complex reasoning. Our Intelligence Index score of 7/55 places it at the lower end for such capabilities. It excels in generative tasks like content creation, summarization, and basic Q&A where direct instruction following is key, rather than intricate logical deduction.

What is the context window for Llama 3 8B?

Llama 3 8B Instruct has an 8,000-token context window. This means it can process and generate text based on approximately 8,000 tokens of input and previous conversation history, which is sufficient for many common applications.

What is the knowledge cutoff date for Llama 3 8B?

The model's training data includes information up to February 2023. It will not have knowledge of events or developments that occurred after this date, unless supplemented by external data through techniques like Retrieval Augmented Generation (RAG).

Is Llama 3 8B an open-source model?

Yes, Llama 3 8B is released under an open license by Meta. This allows developers and organizations to use, modify, and deploy the model for a wide range of applications, fostering innovation within the AI community.

How can I achieve the lowest latency with Llama 3 8B?

Based on our benchmarks, Deepinfra offers the lowest Time To First Token (TTFT) for Llama 3 8B at 0.31 seconds. If low latency is critical for your application, Deepinfra would be the recommended provider.

Are there any deprecation notices for Llama 3 endpoints?

Yes, some API providers are beginning to deprecate their Llama 3 endpoints in favor of newer Llama 3.1 endpoints. It is always advisable to check with your chosen provider for the latest information regarding model availability and recommended versions to ensure long-term compatibility and access to the most up-to-date models.


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