{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "@id": "https://requesty.ai/data/oss-family-share-jan-apr-2026",
  "id": "oss-family-share-jan-apr-2026",
  "slug": "oss-family-share-jan-apr-2026",
  "title": "Family share within OSS-routed traffic, Nov 2025 - Apr 2026",
  "shortTitle": "OSS family share",
  "topic": "agentic",
  "abstract": "Which open-weight AI model is most popular in 2026? On the Requesty gateway, OSS-routed traffic went from Qwen-dominated in late 2025 (34-38% share in Nov-Dec) to DeepSeek-dominated in January 2026 (77% after the R1 launch), and back to a genuinely diversified state by April (DeepSeek 47%, Kimi 17%, MiniMax 15%). Qwen collapsed from 38% to under 4% almost overnight when DeepSeek R1 shipped.",
  "whyItMatters": "Open-source LLM leadership rotates on a months-not-years timescale: the \"best open model\" changes with each new release, and the long tail diversifies fast once any single model loses its lead. For teams hard-coding OSS choices into prompts or routing rules, that means yesterday's default is often already wrong. Kimi K2 quintupling in three months is the clearest current example.",
  "questions": [
    "Which open-source LLM is most popular in 2026?",
    "Has DeepSeek overtaken Qwen for open-weight traffic?",
    "How fast does open-source AI model leadership change?",
    "Is Kimi K2 gaining real production traction?"
  ],
  "period": "Nov 2025 - Apr 2026",
  "updated": "2026-05-10",
  "license": "CC BY 4.0",
  "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
  "caveats": [
    "OSS is defined as traffic routed through open-source aggregator providers (not frontier APIs). The boundary is imperfect."
  ],
  "keyFindings": [
    "Qwen (Alibaba): 34% in Nov, 38% in Dec, then collapsed to under 4% from January onward. DeepSeek R1 launch killed Qwen share overnight.",
    "DeepSeek: 10% in Nov, exploded to 77% in Jan (R1 launch), declining since to 47% in Apr.",
    "Kimi (Moonshot): volatile. 10% Nov, 16% Dec, collapsed to 2% Jan, back to 17% Apr.",
    "MiniMax: 14% Nov, near-zero Dec, recovered to 15% by Apr.",
    "The OSS tier went from concentrated (one family >33%) to diversified (no family >47%) in six months."
  ],
  "columns": [
    {
      "key": "month",
      "label": "Month",
      "unit": "count"
    },
    {
      "key": "deepseek",
      "label": "DeepSeek",
      "unit": "percent"
    },
    {
      "key": "minimax",
      "label": "MiniMax",
      "unit": "percent"
    },
    {
      "key": "kimi",
      "label": "Kimi (Moonshot)",
      "unit": "percent"
    },
    {
      "key": "mistral",
      "label": "Mistral",
      "unit": "percent"
    },
    {
      "key": "glm",
      "label": "GLM (Zhipu)",
      "unit": "percent"
    },
    {
      "key": "qwen",
      "label": "Qwen (Alibaba)",
      "unit": "percent"
    },
    {
      "key": "llama",
      "label": "Llama (Meta)",
      "unit": "percent"
    },
    {
      "key": "gptOss",
      "label": "GPT-OSS (OpenAI)",
      "unit": "percent"
    }
  ],
  "rows": [
    {
      "month": "November",
      "deepseek": 0.1029,
      "minimax": 0.1359,
      "kimi": 0.0964,
      "mistral": 0.0866,
      "glm": 0.1401,
      "qwen": 0.3364,
      "llama": 0.0251,
      "gptOss": 0.0764
    },
    {
      "month": "December",
      "deepseek": 0.1743,
      "minimax": 0.0048,
      "kimi": 0.1582,
      "mistral": 0.1359,
      "glm": 0.0749,
      "qwen": 0.3755,
      "llama": 0.0211,
      "gptOss": 0.0544
    },
    {
      "month": "January",
      "deepseek": 0.767,
      "minimax": 0.0639,
      "kimi": 0.0173,
      "mistral": 0.0647,
      "glm": 0.0317,
      "qwen": 0.0385,
      "llama": 0.0068,
      "gptOss": 0.0102
    },
    {
      "month": "February",
      "deepseek": 0.6375,
      "minimax": 0.0539,
      "kimi": 0.0703,
      "mistral": 0.1189,
      "glm": 0.0639,
      "qwen": 0.0338,
      "llama": 0.01,
      "gptOss": 0.0119
    },
    {
      "month": "March",
      "deepseek": 0.6517,
      "minimax": 0.1396,
      "kimi": 0.0439,
      "mistral": 0.0499,
      "glm": 0.0752,
      "qwen": 0.0161,
      "llama": 0.0157,
      "gptOss": 0.008
    },
    {
      "month": "April",
      "deepseek": 0.4668,
      "minimax": 0.1458,
      "kimi": 0.1675,
      "mistral": 0.0965,
      "glm": 0.0671,
      "qwen": 0.0172,
      "llama": 0.0301,
      "gptOss": 0.009
    }
  ],
  "rowKey": "month",
  "citation": {
    "apa": "Requesty (2026). Family share within OSS-routed traffic, Nov 2025 - Apr 2026. Requesty Data. https://requesty.ai/data/oss-family-share-jan-apr-2026",
    "bibtex": "@misc{requesty_oss_family_share_jan_apr_2026,\n  author       = {{Requesty}},\n  title        = {Family share within OSS-routed traffic, Nov 2025 - Apr 2026},\n  year         = {2026},\n  howpublished = {\\url{https://requesty.ai/data/oss-family-share-jan-apr-2026}},\n  note         = {Requesty Data}\n}"
  },
  "permalink": "https://requesty.ai/data/oss-family-share-jan-apr-2026",
  "downloads": {
    "json": "https://requesty.ai/data/oss-family-share-jan-apr-2026/data.json",
    "csv": "https://requesty.ai/data/oss-family-share-jan-apr-2026/data.csv",
    "markdown": "https://requesty.ai/data/oss-family-share-jan-apr-2026.md"
  },
  "citedIn": [],
  "image": "https://requesty.ai/data/oss-family-share-jan-apr-2026/opengraph-image",
  "source": {
    "organization": "Requesty",
    "url": "https://requesty.ai"
  }
}