Mixtral 8x22B
Mistral's largest open-weights MoE — 141B total / 39B active, Apache 2.0
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mistral.ai/news/mixtral-8x22bAbout Mixtral 8x22B
Mistral AI's largest open-weights mixture-of-experts model, released April 17, 2024. Mixtral 8x22B uses a sparse MoE architecture with 141B total parameters and ~39B active per token (8 groups of 22B, routing 2 experts per token). At launch it was the strongest open-weight model on reasoning, math, and coding benchmarks — outperforming LLaMA 3 70B and GPT-3.5 Turbo on most tasks. Supports 64k token context, natively multilingual (English, French, German, Italian, Spanish), with function calling and JSON mode. Weights released under Apache 2.0 on Hugging Face.
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Key Features
Mixtral 8x22B Pros & Cons
✅ Pros
- +Best open-weight performance at launch — top of open-source leaderboards on reasoning, MATH, and coding
- +MoE efficiency: 141B total params with only ~39B active means faster tokens-per-second than a comparably-performing dense model
- +Apache 2.0 license — fully permissive, fine-tune and deploy without restrictions
- +64k context window covers long-document tasks most 2024 open models couldn't handle
- +Multilingual out-of-the-box across five European languages
⚠️ Cons
- −Heavy self-hosting requirements: needs ~4× A100 80GB GPUs or equivalent for inference
- −Superseded for most use cases by Mistral Small 4 and newer open-weight models
- −No multimodal / vision support — text-only
- −Commercial API has been deprecated in favor of newer Mistral models on La Plateforme
Who Is Mixtral 8x22B Best For?
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