{
  "api_version": "1",
  "updated": "2026-10-17",
  "latest_event": "2026-10-15",
  "rights": "© Frontier Log, all rights reserved.",
  "event": {
    "slug": "2025-12-09-devstral-2",
    "date": "2025-12-09",
    "lab": "mistral",
    "kind": "model",
    "importance": "major",
    "title": "Devstral 2",
    "detail": "Open-weights 123B dense coding model for code agents, with a 256K context window, released with the 24B Devstral Small 2 and the Mistral Vibe CLI.",
    "tags": [
      "open-weights"
    ],
    "related": [],
    "source": "https://mistral.ai/news/devstral-2-vibe-cli/",
    "source_title": "Introducing: Devstral 2 and Mistral Vibe CLI.",
    "source_archived": null,
    "source_http_status": null,
    "url": "https://frontierlog.ai/event/2025-12-09-devstral-2",
    "image": "https://frontierlog.ai/og/2025-12-09-devstral-2.png",
    "models": [
      {
        "slug": "devstral-2",
        "name": "Devstral 2",
        "lab": "mistral",
        "date": "2025-12-09",
        "flagship": false,
        "event": "https://frontierlog.ai/event/2025-12-09-devstral-2",
        "results": [
          {
            "id": "devstral-2:swe-bench-verified:default:1",
            "model": "devstral-2",
            "model_name": "Devstral 2",
            "model_date": "2025-12-09",
            "event": "https://frontierlog.ai/event/2025-12-09-devstral-2",
            "benchmark": "swe-bench-verified",
            "benchmark_name": "SWE-bench Verified",
            "setting": "default",
            "setting_name": "",
            "score": 72.2,
            "unit": "%",
            "printed": "72.2%",
            "reported_by": "mistral",
            "label": "Devstral 2",
            "source": "https://mistral.ai/news/devstral-2-vibe-cli/",
            "source_title": "Introducing: Devstral 2 and Mistral Vibe CLI.",
            "source_date": "2025-12-09",
            "where": "body text, paragraph introducing Devstral 2 as a 123B-parameter dense transformer ('It reaches … on SWE-bench Verified')",
            "own": true,
            "primary": true,
            "parallel": false,
            "notes": "the highlights list repeats the same figure",
            "human_verified": true,
            "human_verified_on": "2026-10-17"
          }
        ]
      }
    ]
  }
}