{
  "api_version": "1",
  "updated": "2026-10-17",
  "latest_event": "2026-10-15",
  "rights": "© Frontier Log, all rights reserved.",
  "event": {
    "slug": "2025-11-06-kimi-k2-thinking",
    "date": "2025-11-06",
    "lab": "moonshot",
    "kind": "model",
    "importance": "major",
    "title": "Kimi K2 Thinking",
    "detail": "Open-source thinking model that reasons step by step while using tools, with native INT4 inference.",
    "tags": [
      "open-weights"
    ],
    "related": [],
    "source": "https://www.kimi.ai/blog/kimi-k2-thinking",
    "source_title": "Introducing Kimi K2 Thinking",
    "source_archived": null,
    "source_http_status": null,
    "url": "https://frontierlog.ai/event/2025-11-06-kimi-k2-thinking",
    "image": "https://frontierlog.ai/og/2025-11-06-kimi-k2-thinking.png",
    "models": [
      {
        "slug": "kimi-k2-thinking",
        "name": "Kimi K2 Thinking",
        "lab": "moonshot",
        "date": "2025-11-06",
        "flagship": false,
        "event": "https://frontierlog.ai/event/2025-11-06-kimi-k2-thinking",
        "results": [
          {
            "id": "kimi-k2-thinking:hle:no-tools:1",
            "model": "kimi-k2-thinking",
            "model_name": "Kimi K2 Thinking",
            "model_date": "2025-11-06",
            "event": "https://frontierlog.ai/event/2025-11-06-kimi-k2-thinking",
            "benchmark": "hle",
            "benchmark_name": "Humanity's Last Exam",
            "setting": "no-tools",
            "setting_name": "No tools",
            "score": 23.9,
            "unit": "%",
            "printed": "23.9",
            "reported_by": "moonshot",
            "label": "K2 Thinking",
            "source": "https://www.kimi.ai/blog/kimi-k2-thinking",
            "source_title": "Introducing Kimi K2 Thinking",
            "source_date": "2025-11-06",
            "where": "'Full Evaluations' table, row 'Humanity's Last Exam (Text-only)', sub-row 'no tools', column 'K2 Thinking'",
            "own": true,
            "primary": true,
            "parallel": false,
            "notes": "text-only subset: the row label reads 'Humanity's Last Exam (Text-only)'. 96k thinking-token budget (footnote 1b); INT4 precision",
            "human_verified": true,
            "human_verified_on": "2026-10-17"
          },
          {
            "id": "kimi-k2-thinking:browsecomp:default:1",
            "model": "kimi-k2-thinking",
            "model_name": "Kimi K2 Thinking",
            "model_date": "2025-11-06",
            "event": "https://frontierlog.ai/event/2025-11-06-kimi-k2-thinking",
            "benchmark": "browsecomp",
            "benchmark_name": "BrowseComp",
            "setting": "default",
            "setting_name": "",
            "score": 60.2,
            "unit": "%",
            "printed": "60.2",
            "reported_by": "moonshot",
            "label": "K2 Thinking",
            "source": "https://www.kimi.ai/blog/kimi-k2-thinking",
            "source_title": "Introducing Kimi K2 Thinking",
            "source_date": "2025-11-06",
            "where": "'Full Evaluations' table, row 'BrowseComp' (Agentic Search Tasks), 'w/ tools', column 'K2 Thinking'",
            "own": true,
            "primary": true,
            "parallel": false,
            "notes": "search, code-interpreter and web-browsing tools; up to 300 steps, 24k reasoning tokens per step; context management hides all previous tool outputs when input exceeds 256k (footnote 4e); Hugging Face blocked",
            "human_verified": true,
            "human_verified_on": "2026-10-17"
          }
        ]
      }
    ]
  }
}