{
  "api_version": "1",
  "updated": "2026-10-18",
  "latest_event": "2026-10-17",
  "rights": "© Frontier Log, all rights reserved.",
  "event": {
    "slug": "2025-11-21-gigachat-3-ultra-preview",
    "date": "2025-11-21",
    "lab": "sber",
    "kind": "model",
    "importance": "major",
    "title": "GigaChat 3 Ultra Preview",
    "detail": "Open mixture-of-experts (MoE) model with 702B total and about 36B active parameters, natively trained on Russian, under the MIT license.",
    "tags": [
      "open-weights"
    ],
    "related": [],
    "source": "https://habr.com/ru/companies/sberdevices/articles/968904/",
    "source_title": "GigaChat 3 Ultra Preview — тяжёлый open source",
    "source_archived": null,
    "source_http_status": null,
    "url": "https://frontierlog.ai/event/2025-11-21-gigachat-3-ultra-preview",
    "image": "https://frontierlog.ai/og/2025-11-21-gigachat-3-ultra-preview.png"
  }
}