{
  "ledger_version": "1.0.0",
  "model_id": "voyageai-voyage-4-nano",
  "created_at": "2026-10-02T13:45:41+00:00",
  "snapshots": [
    {
      "snapshot_id": "67fabc9bef01-fb846902f9",
      "observed_at": "2026-10-02T13:45:41+00:00",
      "kind": "observed-baseline",
      "repository_sha": "67fabc9bef010dabc5f6024aa1b1b6b93410426f",
      "evidence_hash": "fb846902f9180e119d5ab010a960cfd3a9980be80fed2c2c9676e5438fc3f8ea",
      "verification_mode": "full-field-verification",
      "full_verified_at": "2026-10-02",
      "source_repository": "https://huggingface.co/voyageai/voyage-4-nano",
      "sources": [
        {
          "type": "model_repository",
          "url": "https://huggingface.co/voyageai/voyage-4-nano",
          "tier": "primary"
        },
        {
          "type": "model_api",
          "url": "https://huggingface.co/api/models/voyageai/voyage-4-nano",
          "tier": "primary"
        },
        {
          "type": "model_card",
          "url": "https://huggingface.co/voyageai/voyage-4-nano/blob/main/README.md",
          "tier": "primary",
          "available": true
        },
        {
          "type": "config",
          "url": "https://huggingface.co/voyageai/voyage-4-nano/blob/main/config.json",
          "tier": "primary",
          "available": true
        }
      ],
      "fields": {
        "identity": {
          "name": "voyage-4-nano",
          "developer": "voyageai",
          "family": "voyage-4-nano",
          "variant": "voyage-4-nano"
        },
        "model": {
          "parameters": "0.346452B",
          "total_parameters_billions": 0.346451968,
          "context_tokens": 40960,
          "context_display": "40,960 tokens",
          "modality": "Embeddings / features"
        },
        "license": {
          "name": "Apache-2.0",
          "id": "apache-2.0",
          "url": "https://huggingface.co/voyageai/voyage-4-nano/blob/main/LICENSE.txt",
          "commercial_use_status": "allowed",
          "commercial_use_label": "Commercial use allowed under Apache-2.0 conditions"
        },
        "weights": {
          "repository": "https://huggingface.co/voyageai/voyage-4-nano",
          "access": "public",
          "file_count": 1,
          "exact_files": [
            "model.safetensors"
          ],
          "formats": [
            "Safetensors"
          ],
          "precision": [
            "bf16"
          ]
        },
        "lineage": {
          "base_models": [],
          "base_status": "not-declared"
        },
        "training": {
          "recipe_status": "training-described-in-model-card",
          "data_status": "not-disclosed-in-standard-metadata-or-obvious-model-card-section",
          "datasets": []
        },
        "runtime": {
          "signals": [
            "Transformers",
            "sentence-transformers",
            "vLLM"
          ]
        },
        "hardware": {
          "weight_only_gb": {
            "bf16_fp16": 0.69,
            "fp8_int8": 0.35,
            "int4": 0.17
          },
          "status": "estimated"
        },
        "hub": {
          "sha": "67fabc9bef010dabc5f6024aa1b1b6b93410426f",
          "created_at": "2026-01-06T00:15:08.000Z",
          "last_modified": "2026-03-02T04:56:15.000Z"
        }
      }
    }
  ],
  "diffs": [],
  "model_name": "voyage-4-nano",
  "developer": "voyageai",
  "source_repository": "https://huggingface.co/voyageai/voyage-4-nano",
  "current_repository_sha": "67fabc9bef010dabc5f6024aa1b1b6b93410426f",
  "last_registry_check": "2026-10-03",
  "last_full_field_verification": "2026-10-03",
  "status": "active",
  "snapshot_count": 1,
  "diff_count": 0,
  "history_url": "https://openmodelweights.com/models/voyageai-voyage-4-nano/history/",
  "diff_url": "https://openmodelweights.com/diff/voyageai-voyage-4-nano/"
}
