{
  "slug": "xiaomi-mimo-v2-flash-309b",
  "order": 30,
  "name": "Xiaomi MiMo-V2-Flash (309B)",
  "baseTitle": "Xiaomi MiMo-V2-Flash 309B",
  "company": "Xiaomi",
  "country": "China",
  "flag": "🇨🇳",
  "date": "2025-12-16",
  "decoderType": "Sparse MoE",
  "attention": "5:1 sliding-window/global attention",
  "layerMix": "40 sliding-window + 8 global",
  "scale": "309B total, 15B active (4.9% active)",
  "totalParams": 309000000000,
  "activeParams": 15000000000,
  "context": "262,144",
  "contextTokens": 262144,
  "license": "MIT License",
  "kvCacheText": "144 KiB",
  "kvCacheKiB": 144,
  "kvCacheLevel": "Moderate",
  "summary": "Large MoE model that pushes sliding-window attention harder than most contemporaries.",
  "keyDetail": "Uses an unusually small 128-token local window plus multi-token prediction.",
  "image": {
    "full": "https://sebastianraschka.com/llm-architecture-gallery/images/architectures/xiaomi-mimo-v2-flash-309b.webp",
    "thumb": "https://sebastianraschka.com/llm-architecture-gallery/images/architectures/thumbnails/xiaomi-mimo-v2-flash-309b.webp",
    "alt": "Figure 52: Xiaomi MiMo-V2-Flash 309B",
    "width": 960,
    "height": 938
  },
  "articleUrl": "https://magazine.sebastianraschka.com/p/the-big-llm-architecture-comparison#%C2%A719-xiaomi-mimo-v2-flash",
  "links": [
    {
      "label": "View in article",
      "href": "https://magazine.sebastianraschka.com/p/the-big-llm-architecture-comparison#%C2%A719-xiaomi-mimo-v2-flash",
      "title": null
    },
    {
      "label": "config.json",
      "href": "https://huggingface.co/XiaomiMiMo/MiMo-V2-Flash/blob/main/config.json",
      "title": "XiaomiMiMo/MiMo-V2-Flash"
    },
    {
      "label": "Tech report",
      "href": "https://arxiv.org/pdf/2601.02780",
      "title": null
    }
  ],
  "concepts": [
    {
      "slug": "swa",
      "label": "SWA",
      "name": "Sliding Window Attention",
      "url": "https://llm-atlas-7or.pages.dev/concepts/swa/"
    },
    {
      "slug": "moe",
      "label": "MoE",
      "name": "Mixture of Experts",
      "url": "https://llm-atlas-7or.pages.dev/concepts/moe/"
    },
    {
      "slug": "mtp",
      "label": "MTP",
      "name": "Multi-Token Prediction",
      "url": "https://llm-atlas-7or.pages.dev/concepts/mtp/"
    }
  ],
  "aai": {
    "v4": {
      "label": "AA Intelligence Index v4.3.2",
      "total": 16,
      "profile": {
        "Scientific": 4.3
      },
      "url": "https://artificialanalysis.ai/models/mimo-v2-flash"
    }
  },
  "sourceUrl": "https://sebastianraschka.com/llm-architecture-gallery/#card-xiaomi-mimo-v2-flash-309b",
  "family": "moe",
  "url": "https://llm-atlas-7or.pages.dev/models/xiaomi-mimo-v2-flash-309b/",
  "markdownUrl": "https://llm-atlas-7or.pages.dev/models/xiaomi-mimo-v2-flash-309b.md"
}