{
  "api_version": "1",
  "updated": "2026-10-23",
  "latest_event": "2026-10-22",
  "rights": "© Frontier Log, all rights reserved.",
  "event": {
    "slug": "2025-09-05-sonoma-dusk-alpha",
    "date": "2025-09-05",
    "provider": "openrouter",
    "kind": "model",
    "importance": "minor",
    "title": "Sonoma Dusk Alpha (stealth)",
    "detail": "Faster sibling of Sonoma Sky, 2M context; revealed as an early test version of Grok 4 Fast.",
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      "stealth"
    ],
    "related": [
      {
        "slug": "2025-09-05-sonoma-sky-alpha",
        "date": "2025-09-05",
        "provider": "openrouter",
        "title": "Sonoma Sky Alpha (stealth)",
        "url": "https://frontierlog.ai/event/2025-09-05-sonoma-sky-alpha"
      }
    ],
    "source": "https://openrouter.ai/openrouter/sonoma-dusk-alpha",
    "source_title": "Sonoma Dusk Alpha",
    "source_archived": null,
    "source_http_status": null,
    "followups": [],
    "revealed_as": null,
    "stealth_previews": [],
    "reveal_source": "https://openrouter.ai/openrouter/sonoma-dusk-alpha",
    "url": "https://frontierlog.ai/event/2025-09-05-sonoma-dusk-alpha",
    "image": "https://frontierlog.ai/og/2025-09-05-sonoma-dusk-alpha.png",
    "stories": []
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}