{
  "ledger_version": "1.1.0",
  "model_id": "mistralai-mistral-large-4-1t-a52b",
  "created_at": "2026-10-30T06:50:13+00:00",
  "snapshots": [
    {
      "snapshot_id": "f12dabdc0c1e-a5751b3d1d",
      "observed_at": "2026-10-30T06:50:13+00:00",
      "kind": "observed-baseline",
      "repository_sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
      "evidence_hash": "a5751b3d1df9879a0b21a45cd899eb99fb5489d6c858d17aa393324fa8b05230",
      "verification_mode": "full-field-verification",
      "full_verified_at": "2026-10-30",
      "source_repository": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
      "sources": [
        {
          "type": "model_repository",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
          "tier": "primary"
        },
        {
          "type": "model_api",
          "url": "https://huggingface.co/api/models/mistralai/Mistral-Large-4-1T-A52B",
          "tier": "primary"
        },
        {
          "type": "model_card",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/README.md",
          "tier": "primary",
          "available": true
        },
        {
          "type": "config",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/config.json",
          "tier": "primary",
          "available": true
        },
        {
          "type": "license",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/LICENSE",
          "tier": "primary-or-declared"
        }
      ],
      "fields": {
        "identity": {
          "name": "Mistral Large 4 (1T-A52B)",
          "developer": "Mistral AI",
          "family": "Mistral Large 4",
          "variant": "1T-A52B"
        },
        "model": {
          "parameters": "1050B total / 52B active (publisher-declared)",
          "total_parameters_billions": 1050,
          "context_tokens": 1048576,
          "context_display": "1,048,576 tokens",
          "modality": "Text and images → text"
        },
        "license": {
          "name": "Mistral Ecosystem Open-Weight License v26.10",
          "id": "mistral-ecosystem-open-weight-license",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/LICENSE",
          "commercial_use_status": "allowed-with-conditions",
          "commercial_use_label": "Commercial use under Mistral Ecosystem Open-Weight License conditions; operating a paid Model-as-a-Service requires a separate commercial agreement with Mistral."
        },
        "weights": {
          "repository": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
          "access": "public",
          "file_count": 55,
          "exact_files": [
            "consolidated-00001-of-00054.safetensors",
            "consolidated-00002-of-00054.safetensors",
            "consolidated-00003-of-00054.safetensors",
            "consolidated-00004-of-00054.safetensors",
            "consolidated-00005-of-00054.safetensors",
            "consolidated-00006-of-00054.safetensors",
            "consolidated-00007-of-00054.safetensors",
            "consolidated-00008-of-00054.safetensors",
            "consolidated-00009-of-00054.safetensors",
            "consolidated-00010-of-00054.safetensors",
            "consolidated-00011-of-00054.safetensors",
            "consolidated-00012-of-00054.safetensors",
            "consolidated-00013-of-00054.safetensors",
            "consolidated-00014-of-00054.safetensors",
            "consolidated-00015-of-00054.safetensors",
            "consolidated-00016-of-00054.safetensors",
            "consolidated-00017-of-00054.safetensors",
            "consolidated-00018-of-00054.safetensors",
            "consolidated-00019-of-00054.safetensors",
            "consolidated-00020-of-00054.safetensors",
            "consolidated-00021-of-00054.safetensors",
            "consolidated-00022-of-00054.safetensors",
            "consolidated-00023-of-00054.safetensors",
            "consolidated-00024-of-00054.safetensors",
            "consolidated-00025-of-00054.safetensors",
            "consolidated-00026-of-00054.safetensors",
            "consolidated-00027-of-00054.safetensors",
            "consolidated-00028-of-00054.safetensors",
            "consolidated-00029-of-00054.safetensors",
            "consolidated-00030-of-00054.safetensors",
            "consolidated-00031-of-00054.safetensors",
            "consolidated-00032-of-00054.safetensors",
            "consolidated-00033-of-00054.safetensors",
            "consolidated-00034-of-00054.safetensors",
            "consolidated-00035-of-00054.safetensors",
            "consolidated-00036-of-00054.safetensors",
            "consolidated-00037-of-00054.safetensors",
            "consolidated-00038-of-00054.safetensors",
            "consolidated-00039-of-00054.safetensors",
            "consolidated-00040-of-00054.safetensors",
            "consolidated-00041-of-00054.safetensors",
            "consolidated-00042-of-00054.safetensors",
            "consolidated-00043-of-00054.safetensors",
            "consolidated-00044-of-00054.safetensors",
            "consolidated-00045-of-00054.safetensors",
            "consolidated-00046-of-00054.safetensors",
            "consolidated-00047-of-00054.safetensors",
            "consolidated-00048-of-00054.safetensors",
            "consolidated-00049-of-00054.safetensors",
            "consolidated-00050-of-00054.safetensors",
            "consolidated-00051-of-00054.safetensors",
            "consolidated-00052-of-00054.safetensors",
            "consolidated-00053-of-00054.safetensors",
            "consolidated-00054-of-00054.safetensors",
            "consolidated.safetensors.index.json"
          ],
          "formats": [
            "Safetensors"
          ],
          "precision": []
        },
        "lineage": {
          "base_models": [],
          "base_status": "not-declared"
        },
        "training": {
          "recipe_status": "training-described-in-model-card",
          "data_status": "described-in-model-card",
          "datasets": []
        },
        "runtime": {
          "signals": [
            "SGLang",
            "Transformers",
            "llama.cpp",
            "transformers",
            "vLLM"
          ]
        },
        "hardware": {
          "weight_only_gb": null,
          "status": "unknown-not-independently-measured"
        },
        "hub": {
          "sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
          "created_at": "2026-09-30T18:35:13.000Z",
          "last_modified": "2026-10-29T14:51:07.000Z"
        }
      }
    },
    {
      "snapshot_id": "f12dabdc0c1e-36e775317b",
      "observed_at": "2026-10-30T14:17:59+00:00",
      "kind": "observed-change",
      "repository_sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
      "evidence_hash": "36e775317b1a20624610f7e006812ea5498eb6a46407707737523061ceff1f82",
      "verification_mode": "repository-revision-unchanged",
      "full_verified_at": "2026-10-30",
      "source_repository": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
      "sources": [
        {
          "type": "model_repository",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
          "tier": "primary"
        },
        {
          "type": "model_api",
          "url": "https://huggingface.co/api/models/mistralai/Mistral-Large-4-1T-A52B",
          "tier": "primary"
        },
        {
          "type": "model_card",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/README.md",
          "tier": "primary",
          "available": true
        },
        {
          "type": "config",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/config.json",
          "tier": "primary",
          "available": true
        },
        {
          "type": "license",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/LICENSE",
          "tier": "primary-or-declared"
        }
      ],
      "fields": {
        "identity": {
          "name": "Mistral Large 4 (1T-A52B)",
          "developer": "Mistral AI",
          "family": "Mistral Large 4",
          "variant": "1T-A52B"
        },
        "model": {
          "parameters": "1050B total / 52B active (publisher-declared)",
          "total_parameters_billions": 1050,
          "context_tokens": 1048576,
          "context_display": "1,048,576 tokens",
          "modality": "Text and images → text"
        },
        "license": {
          "name": "Mistral Ecosystem Open-Weight License v26.10",
          "id": "mistral-ecosystem-open-weight-license",
          "url": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B/blob/main/LICENSE",
          "commercial_use_status": "allowed-with-conditions",
          "commercial_use_label": "Commercial use under Mistral Ecosystem Open-Weight License conditions; operating a paid Model-as-a-Service requires a separate commercial agreement with Mistral."
        },
        "weights": {
          "repository": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
          "access": "public",
          "file_count": 55,
          "exact_files": [
            "consolidated-00001-of-00054.safetensors",
            "consolidated-00002-of-00054.safetensors",
            "consolidated-00003-of-00054.safetensors",
            "consolidated-00004-of-00054.safetensors",
            "consolidated-00005-of-00054.safetensors",
            "consolidated-00006-of-00054.safetensors",
            "consolidated-00007-of-00054.safetensors",
            "consolidated-00008-of-00054.safetensors",
            "consolidated-00009-of-00054.safetensors",
            "consolidated-00010-of-00054.safetensors",
            "consolidated-00011-of-00054.safetensors",
            "consolidated-00012-of-00054.safetensors",
            "consolidated-00013-of-00054.safetensors",
            "consolidated-00014-of-00054.safetensors",
            "consolidated-00015-of-00054.safetensors",
            "consolidated-00016-of-00054.safetensors",
            "consolidated-00017-of-00054.safetensors",
            "consolidated-00018-of-00054.safetensors",
            "consolidated-00019-of-00054.safetensors",
            "consolidated-00020-of-00054.safetensors",
            "consolidated-00021-of-00054.safetensors",
            "consolidated-00022-of-00054.safetensors",
            "consolidated-00023-of-00054.safetensors",
            "consolidated-00024-of-00054.safetensors",
            "consolidated-00025-of-00054.safetensors",
            "consolidated-00026-of-00054.safetensors",
            "consolidated-00027-of-00054.safetensors",
            "consolidated-00028-of-00054.safetensors",
            "consolidated-00029-of-00054.safetensors",
            "consolidated-00030-of-00054.safetensors",
            "consolidated-00031-of-00054.safetensors",
            "consolidated-00032-of-00054.safetensors",
            "consolidated-00033-of-00054.safetensors",
            "consolidated-00034-of-00054.safetensors",
            "consolidated-00035-of-00054.safetensors",
            "consolidated-00036-of-00054.safetensors",
            "consolidated-00037-of-00054.safetensors",
            "consolidated-00038-of-00054.safetensors",
            "consolidated-00039-of-00054.safetensors",
            "consolidated-00040-of-00054.safetensors",
            "consolidated-00041-of-00054.safetensors",
            "consolidated-00042-of-00054.safetensors",
            "consolidated-00043-of-00054.safetensors",
            "consolidated-00044-of-00054.safetensors",
            "consolidated-00045-of-00054.safetensors",
            "consolidated-00046-of-00054.safetensors",
            "consolidated-00047-of-00054.safetensors",
            "consolidated-00048-of-00054.safetensors",
            "consolidated-00049-of-00054.safetensors",
            "consolidated-00050-of-00054.safetensors",
            "consolidated-00051-of-00054.safetensors",
            "consolidated-00052-of-00054.safetensors",
            "consolidated-00053-of-00054.safetensors",
            "consolidated-00054-of-00054.safetensors",
            "consolidated.safetensors.index.json"
          ],
          "formats": [
            "Safetensors"
          ],
          "precision": []
        },
        "lineage": {
          "base_models": [],
          "base_status": "not-declared"
        },
        "training": {
          "recipe_status": "training-described-in-model-card",
          "data_status": "described-in-model-card",
          "datasets": []
        },
        "runtime": {
          "signals": [
            "SGLang",
            "Transformers",
            "llama.cpp",
            "transformers",
            "vLLM"
          ]
        },
        "hardware": {
          "weight_only_gb": {
            "bf16_fp16": 2100.0,
            "fp8_int8": 1050.0,
            "int4": 525.0
          },
          "status": "estimated"
        },
        "hub": {
          "sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
          "created_at": "2026-09-30T18:35:13.000Z",
          "last_modified": "2026-10-29T14:51:07.000Z"
        }
      }
    }
  ],
  "diffs": [
    {
      "diff_id": "b84f09eb608d85e7",
      "observed_at": "2026-10-30T14:17:59+00:00",
      "from_snapshot": "f12dabdc0c1e-a5751b3d1d",
      "to_snapshot": "f12dabdc0c1e-36e775317b",
      "from_repository_sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
      "to_repository_sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
      "change_count": 4,
      "changes": [
        {
          "field": "hardware.status",
          "before": "unknown-not-independently-measured",
          "after": "estimated"
        },
        {
          "field": "hardware.weight_only_gb.bf16_fp16",
          "before": null,
          "after": 2100.0
        },
        {
          "field": "hardware.weight_only_gb.fp8_int8",
          "before": null,
          "after": 1050.0
        },
        {
          "field": "hardware.weight_only_gb.int4",
          "before": null,
          "after": 525.0
        }
      ],
      "change_id": "omw:change:v1:mistralai-mistral-large-4-1t-a52b:b84f09eb608d85e7",
      "change_categories": [
        "derived-hardware"
      ],
      "change_impact": "metadata",
      "material_change_count": 0,
      "change_summary": "derived-hardware"
    }
  ],
  "model_name": "Mistral Large 4 (1T-A52B)",
  "developer": "Mistral AI",
  "source_repository": "https://huggingface.co/mistralai/Mistral-Large-4-1T-A52B",
  "current_repository_sha": "f12dabdc0c1e99e7f7924461a6f308859b05af4d",
  "last_registry_check": "2026-10-30",
  "last_full_field_verification": "2026-10-30",
  "status": "active",
  "snapshot_count": 2,
  "diff_count": 1,
  "history_url": "https://openmodelweights.com/models/mistralai-mistral-large-4-1t-a52b/history/",
  "diff_url": "https://openmodelweights.com/diff/mistralai-mistral-large-4-1t-a52b/"
}