{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "@id": "https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026",
  "id": "finish-reason-by-model-october-2026",
  "slug": "finish-reason-mix-by-model-october-2026",
  "title": "finish_reason mix per model, October 2026",
  "shortTitle": "Finish reason by model",
  "topic": "agentic",
  "abstract": "Which models are used most for tool calling? In October 2026 deepseek-v4.1-flash-1017 ended 73% of successful completions with tool_calls, the highest among the busiest models. gpt-4.1-mini was at 0%, used almost entirely for plain completions.",
  "whyItMatters": "Models with a high tool_calls share are the ones teams run inside agents. A low share points to chat, extraction or batch use.",
  "questions": [
    "Which LLM is used most for tool calling?",
    "What is the finish_reason mix by model?",
    "Which models are used for agents?"
  ],
  "period": "Oct 2026",
  "updated": "2026-11-11",
  "license": "CC BY 4.0",
  "licenseUrl": "https://creativecommons.org/licenses/by/4.0/",
  "caveats": [
    "Region suffixes are merged into one model. Private and customer-specific models are excluded."
  ],
  "keyFindings": [
    "deepseek-v4.1-flash-1017: 73% tool_calls.",
    "gemini-3.8-flash: 63% tool_calls.",
    "deepseek-v4.1-flash: 58% tool_calls.",
    "glm-5.3-flash: 48% tool_calls.",
    "gpt-6-luna: 27% tool_calls."
  ],
  "columns": [
    {
      "key": "model",
      "label": "Model",
      "unit": "count"
    },
    {
      "key": "tool_calls",
      "label": "tool_calls",
      "unit": "percent"
    },
    {
      "key": "stop",
      "label": "stop",
      "unit": "percent"
    },
    {
      "key": "length",
      "label": "length",
      "unit": "percent"
    }
  ],
  "rows": [
    {
      "model": "deepseek-v4.1-flash-1017",
      "tool_calls": 0.7288,
      "stop": 0.2557,
      "length": 0.0155
    },
    {
      "model": "gemini-3.8-flash",
      "tool_calls": 0.6313,
      "stop": 0.3499,
      "length": 0.0188
    },
    {
      "model": "deepseek-v4.1-flash",
      "tool_calls": 0.5778,
      "stop": 0.4056,
      "length": 0.0166
    },
    {
      "model": "glm-5.3-flash",
      "tool_calls": 0.4834,
      "stop": 0.4374,
      "length": 0.0792
    },
    {
      "model": "gpt-6-luna",
      "tool_calls": 0.2717,
      "stop": 0.723,
      "length": 0.0053
    },
    {
      "model": "claude-opus-5-5",
      "tool_calls": 0.252,
      "stop": 0.7276,
      "length": 0.0203
    },
    {
      "model": "gpt-5.6-luna",
      "tool_calls": 0.2476,
      "stop": 0.7459,
      "length": 0.0065
    },
    {
      "model": "claude-sonnet-5",
      "tool_calls": 0.2395,
      "stop": 0.6631,
      "length": 0.0974
    },
    {
      "model": "deepseek-v4-flash-0731",
      "tool_calls": 0.0822,
      "stop": 0.9029,
      "length": 0.0149
    },
    {
      "model": "gemma-4-26B-A4B-it",
      "tool_calls": 0.0329,
      "stop": 0.9668,
      "length": 0.0003
    },
    {
      "model": "gemini-3.5-flash-lite",
      "tool_calls": 0.0192,
      "stop": 0.9806,
      "length": 0.0002
    },
    {
      "model": "gemma-4-31B-it",
      "tool_calls": 0.0098,
      "stop": 0.9898,
      "length": 0.0004
    },
    {
      "model": "gemini-2.5-flash-lite",
      "tool_calls": 0.0046,
      "stop": 0.9932,
      "length": 0.0022
    },
    {
      "model": "gpt-4.1-mini",
      "tool_calls": 0.0037,
      "stop": 0.9959,
      "length": 0.0005
    }
  ],
  "rowKey": "model",
  "citation": {
    "apa": "Requesty (2026). finish_reason mix per model, October 2026. Requesty Data. https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026",
    "bibtex": "@misc{requesty_finish_reason_mix_by_model_october_2026,\n  author       = {{Requesty}},\n  title        = {finish\\_reason mix per model, October 2026},\n  year         = {2026},\n  howpublished = {\\url{https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026}},\n  note         = {Requesty Data}\n}"
  },
  "permalink": "https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026",
  "downloads": {
    "json": "https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026/data.json",
    "csv": "https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026/data.csv",
    "markdown": "https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026.md"
  },
  "citedIn": [],
  "image": "https://www.requesty.ai/data/finish-reason-mix-by-model-october-2026/opengraph-image",
  "source": {
    "organization": "Requesty",
    "url": "https://www.requesty.ai"
  }
}