{
  "api_version": "1",
  "updated": "2026-11-05",
  "latest_event": "2026-11-04",
  "rights": "© Frontier Log, all rights reserved.",
  "provider": {
    "slug": "sber",
    "name": "Sber",
    "type": "lab",
    "coverage": "milestones",
    "url": "https://frontierlog.ai/provider/sber",
    "summary": null,
    "based_in": {
      "text": "Moscow, Russia",
      "source": "https://developers.sber.ru/docs/ru/policies/privacy-policy"
    },
    "founded": {
      "text": "2019",
      "source": "https://sberdevices.ru/about/"
    },
    "website": "https://www.sberbank.com/",
    "channels": [
      {
        "kind": "Docs",
        "url": "https://developers.sber.ru/docs/ru/gigachat/overview"
      }
    ],
    "events": 1,
    "events_api": "https://frontierlog.ai/api/v1/events?provider=sber&importance=all",
    "latest_events": [
      {
        "slug": "2025-11-21-gigachat-3-ultra-preview",
        "date": "2025-11-21",
        "provider": "sber",
        "importance": "major",
        "title": "GigaChat 3 Ultra Preview",
        "headline": "Sber releases 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": [
          "model-releases",
          "open-weights"
        ],
        "related": [],
        "source": "https://habr.com/ru/companies/sberdevices/articles/968904/",
        "models": [
          "gigachat-3-lightning",
          "gigachat-3-ultra-preview"
        ],
        "source_title": "GigaChat 3 Ultra Preview — тяжёлый open source",
        "source_archived": null,
        "source_http_status": null,
        "source_quote": "GigaChat 3 Ultra Preview — наш флагман с 702 млрд параметров (и около 36 млрд активных)",
        "followups": [],
        "successor": null,
        "predecessors": [],
        "revealed_as": null,
        "stealth_previews": [],
        "reveal_source": 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"
      }
    ],
    "flagship": null,
    "models": [
      {
        "slug": "gigachat-3-lightning",
        "name": "GigaChat 3 Lightning",
        "lab": "sber",
        "date": "2025-11-21",
        "source": "https://habr.com/ru/companies/sberdevices/articles/968904/",
        "source_title": "GigaChat 3 Ultra Preview — тяжёлый open source",
        "flagship": false,
        "event": "https://frontierlog.ai/event/2025-11-21-gigachat-3-ultra-preview",
        "releases": [],
        "variant_of": null,
        "made_by": "Sber",
        "url": "https://frontierlog.ai/model/gigachat-3-lightning",
        "results": 2,
        "price": [],
        "context": {
          "from": "2025-11-21",
          "listed": false,
          "window_tokens": 256000,
          "input_tokens": null,
          "output_tokens": null,
          "tiers": [],
          "printed": {
            "window": "256 тысяч",
            "input": null,
            "output": null
          },
          "notes": "",
          "sources": [
            "https://habr.com/ru/companies/sberdevices/articles/968904/"
          ],
          "check": "double_entry"
        }
      },
      {
        "slug": "gigachat-3-ultra-preview",
        "name": "GigaChat 3 Ultra Preview",
        "lab": "sber",
        "date": "2025-11-21",
        "source": "https://habr.com/ru/companies/sberdevices/articles/968904/",
        "source_title": "GigaChat 3 Ultra Preview — тяжёлый open source",
        "flagship": false,
        "event": "https://frontierlog.ai/event/2025-11-21-gigachat-3-ultra-preview",
        "releases": [],
        "variant_of": null,
        "made_by": "Sber",
        "url": "https://frontierlog.ai/model/gigachat-3-ultra-preview",
        "results": 2,
        "price": [],
        "context": null
      }
    ],
    "benchmarks": [
      {
        "slug": "mmlu-pro",
        "name": "MMLU-Pro",
        "setting": "default",
        "url": "https://frontierlog.ai/benchmark/mmlu-pro",
        "api": "https://frontierlog.ai/api/v1/benchmarks/mmlu-pro?lab=sber"
      },
      {
        "slug": "livecodebench-no-release",
        "name": "LiveCodeBench, no release named",
        "setting": "window-unstated",
        "url": "https://frontierlog.ai/benchmark/livecodebench-no-release/window-unstated",
        "api": "https://frontierlog.ai/api/v1/benchmarks/livecodebench-no-release?lab=sber"
      },
      {
        "slug": "gsm8k",
        "name": "GSM8K",
        "setting": "default",
        "url": "https://frontierlog.ai/benchmark/gsm8k",
        "api": "https://frontierlog.ai/api/v1/benchmarks/gsm8k?lab=sber"
      }
    ],
    "stories": [
      {
        "slug": "china-vs-the-rest",
        "title": "Where China's Open Models Lead and Trail",
        "date": "2026-10-17",
        "url": "https://frontierlog.ai/stories/china-vs-the-rest"
      }
    ]
  }
}