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Mixtral 8x7B Instruct v0.1

Mistral AI's sparse mixture-of-experts model with 8x7B parameters, instruction-tuned for multilingual dialogue, code generation, and complex reasoning tasks.

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about

Mixtral 8x7B Instruct, licensed under Apache 2.0, is a powerful language model with a large context window. It's great at simulated dialogues and general language understanding, making it perfect for customer service chatbots and interactive storytelling. However, it might struggle with more specialized tasks.

Licenseapache-2.0

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faqs

What is Mixtral 8x7B Instruct?

Mixtral 8x7B Instruct is Mistral AI's mixture-of-experts model that uses 8 expert networks of 7 billion parameters each, activating 2 experts per token. It is available through hosted inference providers and on Hugging Face under the Apache 2.0 license.

How good is Mixtral 8x7B?

Mixtral 8x7B matches or exceeds GPT-3.5 Turbo and Llama 2 70B on most benchmarks while using fewer active parameters. Its MoE architecture delivers strong reasoning and coding performance at efficient compute cost.

Context window(in thousands)
32768

Use cases for Mixtral 8x7B Instruct v0.1

  1. Cost-efficient multilingual generation: With 46.7B total parameters but only 12.9B active per token, it matches Llama 2 70B quality across benchmarks while using roughly 5x less compute per inference.
  2. High-quality open-source chat: Scoring 8.30 on MT-Bench and 1121 on Arena ELO at release, it outperformed Claude 2.1 and GPT-3.5 Turbo on human preference evaluations.
  3. Long-context dialogue and analysis: The 32K context window with sparse expert routing enables extended multi-turn conversations and document analysis without the memory overhead of dense 70B models.

Quality

Arena Elo1114
MMLU70.6
MT Bench8.3

Mixtral 8x7B Instruct scores 70.6% on MMLU and 8.30 on MT-Bench, surpassing GPT-3.5 Turbo (70.0% MMLU, 7.94 MT-Bench) on both measures on the same sheet. With only 12.9B of its 46.7B parameters active per token, it achieves this quality at roughly one-fifth the compute cost of a dense 70B model. Its Arena ELO of 1,114 places it above GPT-3.5 Turbo (1,105) as well.

Claude-Sonnet-4-20250514

1138

GPT-3.5 Turbo-0613

1117

Mixtral 8x7B Instruct v0.1

1114

GPT-3.5 Turbo-0125

1106

GPT-3.5 Turbo

1105

pricing

The cost per 1,000 tokens for running the model with Telnyx Inference is $0.0003. For instance, analyzing 1,000,000 customer chats, assuming each chat is 1,000 tokens long, would cost $300.

What's Twitter saying?

  • Developers praise Mixtral 8x7B Instruct for outperforming Llama 2 70B and matching GPT-3.5 in benchmarks like math, code, and MT-Bench, with 6x faster inference.
  • Tech commentators highlight its Sparse Mixture-of-Experts efficiency, activating only 13B of 47B parameters for low VRAM use and strong multilingual performance.
  • Community users on forums note quantized versions (e.g., 3-bit) run well on consumer hardware like M-series Macs, though 2-bit needs improvements.
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  • Is Mixtral 8x7B free?

    Yes, Mixtral 8x7B is released under the Apache 2.0 license for free commercial use. Weights are available on Hugging Face, and hosted inference is available through multiple providers.

    How does Mixtral compare to Mistral 7B?

    Mixtral 8x7B significantly outperforms Mistral 7B on reasoning and complex tasks due to its larger effective parameter count. It activates roughly 13B parameters per token compared to Mistral 7B's 7.3B, available through the same inference platforms.

    What hardware does Mixtral 8x7B need?

    Mixtral 8x7B requires approximately 90GB of VRAM at full precision, or 24-48GB with quantization. For production use, hosted inference avoids GPU provisioning overhead.

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