Mixtral 8x7B (instruct)

A cost-effective, high-throughput MoE model

Mixtral 8x7B (instruct)

Mixtral 8x7B Instruct offers a compelling balance of speed and cost-efficiency for high-volume, non-reasoning tasks, despite its lower intelligence ranking.

Open License33k ContextMixture of ExpertsHigh ThroughputCost-EffectiveNon-Reasoning

Mixtral 8x7B Instruct, developed by Mistral AI, stands out as a powerful open-source Mixture of Experts (MoE) model designed for efficiency and speed. While it may not lead in complex reasoning tasks, its architecture allows for exceptional throughput and competitive pricing, making it a strong contender for applications requiring rapid generation and processing of large volumes of text.

Benchmarking across various API providers reveals a nuanced performance profile. Providers like Deepinfra and Amazon Bedrock demonstrate impressive output speeds, reaching up to 95 tokens per second, while Together.ai and Amazon offer the lowest latencies, crucial for interactive applications. This variability underscores the importance of provider selection based on specific workload requirements.

Despite its 'lower intelligence' ranking compared to more advanced reasoning models, Mixtral 8x7B Instruct excels in its niche. It's particularly well-suited for tasks such as content generation, summarization, translation, and code completion where raw speed and cost-effectiveness are paramount. Its 33k token context window further enhances its utility for handling substantial inputs and generating comprehensive outputs.

From a cost perspective, Mixtral 8x7B Instruct positions itself as a budget-friendly option among open-weight models of similar scale. With input token prices as low as $0.45 per million and output token prices around $0.54 per million from top providers, it offers significant savings for high-volume deployments. This blend of performance and affordability makes Mixtral 8x7B Instruct a strategic choice for developers looking to optimize their LLM infrastructure without compromising on speed.

Scoreboard

Intelligence

3 (31 / 33 / 33)

Mixtral 8x7B Instruct scores at the lower end of the Artificial Analysis Intelligence Index, indicating it's less suited for complex reasoning tasks compared to top-tier models.
Output speed

95 tokens/s

Deepinfra leads with 95 tokens/s, making Mixtral 8x7B Instruct one of the fastest models for raw output generation.
Input price

$0.45 USD per 1M tokens

Amazon offers the lowest input price at $0.45/M tokens, making it highly competitive for input-heavy workloads.
Output price

$0.54 USD per 1M tokens

Deepinfra provides the most cost-effective output tokens at $0.54/M, ideal for verbose generation tasks.
Verbosity signal

N/A Output tokens from Intelligence Index

Verbosity metrics are not available for this model, but its high output speed suggests it can handle generating extensive content efficiently.
Provider latency

0.25 seconds (TTFT)

Together.ai delivers the lowest Time To First Token (TTFT) at 0.25s, crucial for responsive user experiences.

Technical specifications

Spec Details
Owner Mistral AI
License Open
Context Window 33,000 tokens
Architecture Mixture of Experts (MoE)
Parameters 8x7B (47B total, 13B active)
Model Type Instruct (fine-tuned for instructions)
Training Data Diverse web data, filtered for quality
Language English, with multilingual capabilities
Reasoning Capability Limited (non-reasoning focus)
Typical Use Cases Content generation, summarization, code completion, translation
Quantization Support Available via some providers
API Access Amazon Bedrock, Together.ai, Deepinfra, others

What stands out beyond the scoreboard

Where this model wins
  • **Exceptional Throughput:** Achieves very high output speeds, making it ideal for generating large volumes of text quickly.
  • **Cost-Effectiveness:** Offers highly competitive pricing for both input and output tokens, especially for high-volume use cases.
  • **Low Latency:** Provides fast Time To First Token (TTFT) from certain providers, enhancing responsiveness for interactive applications.
  • **Large Context Window:** A 33k token context window allows for processing and generating substantial amounts of information.
  • **Open-Source Flexibility:** Benefits from an open license, fostering community innovation and diverse deployment options.
  • **Strong for Non-Reasoning Tasks:** Excels in tasks like summarization, translation, and content creation where complex reasoning is not the primary requirement.
Where costs sneak up
  • **Limited Reasoning:** Not designed for complex analytical or multi-step reasoning tasks, which could lead to suboptimal results if misapplied.
  • **Provider Variability:** Performance and pricing can differ significantly between API providers, requiring careful benchmarking.
  • **Token Price Fluctuations:** While generally cost-effective, prices can vary, and unexpected usage patterns might lead to higher-than-anticipated costs.
  • **Intelligence Index Ranking:** Its lower ranking on intelligence indices means it may struggle with nuanced or abstract prompts.
  • **Output Quality for Complex Tasks:** For highly creative or deeply analytical outputs, its quality might not match more expensive, reasoning-focused models.

Provider pick

Choosing the right API provider for Mixtral 8x7B Instruct depends heavily on your primary optimization goal: speed, latency, or cost. Each provider offers a distinct advantage, making a tailored selection crucial for maximizing efficiency and minimizing expenditure.

Priority Pick Why Tradeoff to accept
**Balanced Performance** Amazon Bedrock Offers a strong blend of good output speed (80 t/s), low latency (0.33s), and competitive blended pricing ($0.51/M tokens). Slightly higher output token price than Deepinfra.
**Max Output Speed** Deepinfra Delivers the fastest output speed (95 t/s) and the lowest output token price ($0.54/M tokens), ideal for high-volume generation. Slightly higher latency than Together.ai and Amazon.
**Lowest Latency** Together.ai Provides the lowest Time To First Token (TTFT) at 0.25s, critical for real-time applications and user interaction. Higher blended price ($0.60/M tokens) and slower output speed compared to Deepinfra and Amazon.
**Lowest Input Cost** Amazon Bedrock Offers the most economical input token price ($0.45/M tokens), beneficial for applications with extensive input contexts. Output token price is higher than Deepinfra and Together.ai.

Note: Performance metrics and pricing are subject to change and may vary based on region, specific API configurations, and real-time load. Always verify with the provider.

Real workloads cost table

Understanding the real-world cost implications of Mixtral 8x7B Instruct requires evaluating common scenarios. The following examples illustrate how different usage patterns can impact your budget, using average pricing from the most competitive providers.

Scenario Input Output What it represents Estimated cost
**Blog Post Generation** 2,000 tokens (prompt) 5,000 tokens (article) Generating a detailed blog post from a brief outline. ~$0.0035
**Customer Support Summary** 10,000 tokens (chat transcript) 500 tokens (summary) Summarizing a long customer service interaction for agents. ~$0.0050
**Code Completion (Large File)** 15,000 tokens (code context) 1,000 tokens (suggested code) Assisting developers with completing functions or modules. ~$0.0072
**Multilingual Translation** 3,000 tokens (source text) 3,500 tokens (translated text) Translating a document from one language to another. ~$0.0029
**Data Extraction (Structured)** 8,000 tokens (unstructured text) 1,500 tokens (extracted JSON) Extracting specific entities and formatting them into structured data. ~$0.0049
**Creative Writing Prompt** 500 tokens (story premise) 10,000 tokens (short story) Generating a creative narrative based on a user's prompt. ~$0.0056

These scenarios highlight Mixtral 8x7B Instruct's cost-efficiency, particularly for tasks involving substantial output generation. Its competitive token pricing makes it an attractive option for scaling content-heavy applications.

How to control cost (a practical playbook)

Optimizing costs with Mixtral 8x7B Instruct involves strategic choices in prompt engineering, provider selection, and usage patterns. Here are key strategies to maximize efficiency and minimize expenditure.

Choose the Right Provider for Your Priority

As demonstrated in the provider comparison, each API provider for Mixtral 8x7B Instruct has distinct strengths. If your application is latency-sensitive (e.g., chatbots), prioritize providers with the lowest TTFT. For batch processing or content generation, focus on providers offering the highest output speed and lowest output token prices. For input-heavy tasks like summarization of long documents, select providers with the cheapest input token rates.

  • **Latency-sensitive:** Together.ai
  • **High throughput/low output cost:** Deepinfra
  • **Balanced/low input cost:** Amazon Bedrock
Optimize Prompt Length and Structure

While Mixtral 8x7B Instruct has a generous 33k context window, every input token costs money. Design your prompts to be concise yet informative, providing only the necessary context for the model to generate a high-quality response. Avoid redundant information or overly verbose instructions. For tasks requiring extensive context, consider techniques like retrieval-augmented generation (RAG) to dynamically fetch and insert only relevant snippets, rather than passing entire databases.

  • Keep prompts focused and direct.
  • Leverage RAG for large knowledge bases.
  • Experiment with prompt templates to find the most efficient structure.
Manage Output Token Generation

Output tokens often cost more than input tokens. Control the length of the model's response by setting appropriate `max_tokens` parameters in your API calls. For tasks like summarization, specify the desired length (e.g., "summarize in 3 sentences"). For creative generation, guide the model towards a specific output format or length to prevent unnecessary verbosity, which directly impacts cost.

  • Set `max_tokens` to prevent overly long responses.
  • Explicitly request desired output length in prompts.
  • Iterate on prompts to refine output conciseness.
Batch Processing for Efficiency

For non-interactive tasks, consider batching multiple requests together. While not all providers offer explicit batching APIs, you can often achieve similar efficiency gains by sending multiple requests concurrently (within rate limits) or by processing a queue of tasks. This can amortize overheads and potentially benefit from provider-side optimizations for sustained load, especially with high-throughput models like Mixtral 8x7B.

  • Group similar tasks for concurrent processing.
  • Utilize asynchronous API calls where possible.
  • Monitor provider rate limits to avoid throttling.

FAQ

What is Mixtral 8x7B Instruct?

Mixtral 8x7B Instruct is an open-source Mixture of Experts (MoE) large language model developed by Mistral AI. It's fine-tuned to follow instructions effectively and is known for its high performance, speed, and cost-efficiency, particularly for tasks that don't require deep reasoning.

How does Mixtral 8x7B compare to other models in terms of intelligence?

Based on the Artificial Analysis Intelligence Index, Mixtral 8x7B Instruct ranks at the lower end (3 out of 4 units, 31st out of 33 models). This indicates it is less capable of complex reasoning, problem-solving, or nuanced understanding compared to top-tier, more expensive models. It excels in generating text quickly and cost-effectively for more straightforward tasks.

What are the best use cases for Mixtral 8x7B Instruct?

Mixtral 8x7B Instruct is ideal for high-volume, non-reasoning tasks such as content generation (blog posts, articles), summarization, translation, code completion, data extraction, and chatbots where speed and cost are critical. Its large context window also makes it suitable for processing and generating longer texts.

Which API provider is best for Mixtral 8x7B Instruct?

The best provider depends on your specific needs:

  • **For maximum output speed and lowest output cost:** Deepinfra (95 t/s, $0.54/M output tokens).
  • **For lowest latency (TTFT):** Together.ai (0.25s).
  • **For a balance of performance and lowest input cost:** Amazon Bedrock ($0.45/M input tokens).

Always benchmark providers for your specific workload.

Is Mixtral 8x7B Instruct expensive to use?

Compared to many other large language models, Mixtral 8x7B Instruct is considered quite cost-effective. With input token prices as low as $0.45 per million and output token prices around $0.54 per million from competitive providers, it offers significant value for high-volume applications, especially given its high throughput.

What is the context window size for Mixtral 8x7B Instruct?

Mixtral 8x7B Instruct features a substantial 33,000-token context window. This allows it to process and generate relatively long pieces of text, making it versatile for tasks requiring extensive input or detailed output.

What does 'Mixture of Experts (MoE)' mean for Mixtral 8x7B?

Mixture of Experts (MoE) is an architectural design where the model consists of multiple 'expert' sub-networks. For any given input, only a subset of these experts is activated, leading to more efficient computation. This allows Mixtral 8x7B to achieve high performance with fewer active parameters per inference, contributing to its speed and cost-efficiency.


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