{
  "id": "sentence-transformers-all-mpnet-base-v2",
  "name": "all-mpnet-base-v2",
  "developer": "Sentence Transformers",
  "family": "all-mpnet-base-v2",
  "variant": "all-mpnet-base-v2",
  "model": {
    "parameters": "0.109487B",
    "total_parameters_billions": 0.109486978,
    "context": {
      "value": 514,
      "display": "514 tokens",
      "status": "verified",
      "evidence": [
        {
          "source": "config.json",
          "detail": "max_position_embeddings"
        }
      ]
    },
    "modality": "Text embeddings",
    "tags": [
      "sentence-transformers",
      "pytorch",
      "onnx",
      "safetensors",
      "openvino",
      "mpnet",
      "fill-mask",
      "feature-extraction",
      "sentence-similarity",
      "transformers",
      "text-embeddings-inference",
      "en",
      "dataset:s2orc",
      "dataset:flax-sentence-embeddings/stackexchange_xml",
      "dataset:ms_marco",
      "dataset:gooaq",
      "dataset:yahoo_answers_topics",
      "dataset:code_search_net",
      "dataset:search_qa",
      "dataset:eli5"
    ]
  },
  "weights": {
    "status": "verified-available",
    "repository": "https://huggingface.co/sentence-transformers/all-mpnet-base-v2",
    "access": "public",
    "exact_files": [
      "model.safetensors",
      "onnx/model.onnx",
      "onnx/model_O1.onnx",
      "onnx/model_O2.onnx",
      "onnx/model_O3.onnx",
      "onnx/model_O4.onnx",
      "onnx/model_qint8_arm64.onnx",
      "onnx/model_qint8_avx512.onnx",
      "onnx/model_qint8_avx512_vnni.onnx",
      "onnx/model_quint8_avx2.onnx",
      "openvino/openvino_model.bin",
      "openvino/openvino_model_qint8_quantized.bin",
      "pytorch_model.bin"
    ],
    "file_count": 13,
    "formats": [
      "Safetensors",
      "PyTorch",
      "ONNX"
    ],
    "precision_availability": {
      "bf16": {
        "available": false,
        "status": "verified"
      },
      "fp16": {
        "available": false,
        "status": "verified"
      },
      "fp8": {
        "available": false,
        "status": "verified"
      },
      "int8": {
        "available": false,
        "status": "verified"
      },
      "int4": {
        "available": false,
        "status": "verified"
      },
      "gguf": {
        "available": false,
        "status": "verified"
      }
    },
    "dtype_evidence": [
      "F32",
      "I64"
    ],
    "evidence": [
      {
        "source": "https://huggingface.co/api/models/sentence-transformers/all-mpnet-base-v2",
        "type": "Hugging Face model API siblings"
      }
    ]
  },
  "license": {
    "id": "apache-2.0",
    "name": "Apache-2.0",
    "url": null,
    "status": "verified",
    "commercial_use": {
      "status": "allowed",
      "label": "Commercial use allowed under Apache-2.0 conditions",
      "basis": null
    },
    "repository_license_files": [],
    "verification": {
      "status": "metadata-only",
      "checked_at": "2026-10-02",
      "source": null
    }
  },
  "hardware": {
    "status": "estimated",
    "weight_only_gb": {
      "bf16_fp16": 0.22,
      "fp8_int8": 0.11,
      "int4": 0.05
    },
    "note": "Weight-only decimal-GB estimate from total parameter count; excludes KV cache, activations, runtime overhead, optimizer state and sharding."
  },
  "lineage": {
    "family": "all-mpnet-base-v2",
    "variant": "all-mpnet-base-v2",
    "base_model": {
      "status": "not-declared",
      "models": [],
      "relation": null,
      "evidence": []
    }
  },
  "training_assets": {
    "training_recipe": {
      "status": "recipe-or-training-files-present",
      "files": [
        "train_script.py"
      ],
      "links": [
        "https://huggingface.co/microsoft/mpnet-base"
      ],
      "evidence": [
        "README.md"
      ]
    },
    "data_disclosure": {
      "status": "dataset-metadata-declared",
      "datasets": [
        "s2orc",
        "flax-sentence-embeddings/stackexchange_xml",
        "ms_marco",
        "gooaq",
        "yahoo_answers_topics",
        "code_search_net",
        "search_qa",
        "eli5",
        "snli",
        "multi_nli",
        "wikihow",
        "natural_questions",
        "trivia_qa",
        "embedding-data/sentence-compression",
        "embedding-data/flickr30k-captions",
        "embedding-data/altlex",
        "embedding-data/simple-wiki",
        "embedding-data/QQP",
        "embedding-data/SPECTER",
        "embedding-data/PAQ_pairs",
        "embedding-data/WikiAnswers"
      ],
      "evidence": [
        {
          "source": "model-card metadata",
          "field": "datasets"
        }
      ]
    },
    "evaluations": "Not classified by automated verifier",
    "intermediate_checkpoints": "Not classified by automated verifier"
  },
  "sources": [
    {
      "type": "model_repository",
      "url": "https://huggingface.co/sentence-transformers/all-mpnet-base-v2",
      "tier": "primary"
    },
    {
      "type": "model_api",
      "url": "https://huggingface.co/api/models/sentence-transformers/all-mpnet-base-v2",
      "tier": "primary"
    },
    {
      "type": "model_card",
      "url": "https://huggingface.co/sentence-transformers/all-mpnet-base-v2/blob/main/README.md",
      "tier": "primary",
      "available": true
    },
    {
      "type": "config",
      "url": "https://huggingface.co/sentence-transformers/all-mpnet-base-v2/blob/main/config.json",
      "tier": "primary",
      "available": true
    }
  ],
  "verification": {
    "level": "field-verified",
    "checked_at": "2026-10-03",
    "checked_at_iso": "2026-10-03T10:18:29+00:00",
    "method": "Hugging Face API + repository file list + model card + config.json",
    "mode": "repository-revision-unchanged",
    "full_verified_at": "2026-10-02",
    "readme_accessible": true,
    "config_accessible": true,
    "fields": {
      "license": "verified",
      "commercial_use": "classified",
      "context": "verified",
      "weight_files": "verified",
      "formats": "verified",
      "base_model": "not-declared",
      "training_recipe": "recipe-or-training-files-present",
      "data_disclosure": "dataset-metadata-declared",
      "runtime_support": "source-derived-not-runtime-tested"
    },
    "history": [
      {
        "date": "2026-10-03",
        "event": "Repository revision check",
        "detail": "Official Hugging Face repository SHA unchanged; prior field evidence retained."
      },
      {
        "date": "2026-10-02",
        "event": "Repository revision check",
        "detail": "Official Hugging Face repository SHA unchanged; prior field evidence retained."
      },
      {
        "date": "2026-10-02",
        "event": "Field-by-field verification",
        "detail": "Checked Hugging Face API metadata, exact repository file list, model card and config when accessible."
      },
      {
        "date": "2026-10-02",
        "event": "Registry record created",
        "detail": "Previous verification level: discovered-pending."
      }
    ]
  },
  "discovery": {
    "source": "Hugging Face public model index",
    "repo_id": "sentence-transformers/all-mpnet-base-v2",
    "rank": 120,
    "downloads": 19694562,
    "likes": 1381,
    "last_modified": "2025-08-19T10:14:25+00:00",
    "created_at": "2022-03-02T23:29:05+00:00",
    "library_name": "sentence-transformers",
    "pipeline_tag": "sentence-similarity",
    "discovered_at": "2026-10-03T10:18:27+00:00",
    "pinned": false
  },
  "runtime_support": {
    "declared_library": "sentence-transformers",
    "pipeline_tag": "sentence-similarity",
    "declared": [
      "ONNX Runtime",
      "Transformers",
      "sentence-transformers"
    ],
    "mentioned_in_model_card": [],
    "artifact_signals": [
      "ONNX artifact present"
    ],
    "tested_by_openmodelweights": false
  },
  "hub": {
    "last_modified": "2025-08-19T10:14:25.000Z",
    "created_at": "2022-03-02T23:29:05.000Z",
    "downloads": 19694562,
    "likes": 1381,
    "sha": "e8c3b32edf5434bc2275fc9bab85f82640a19130",
    "library_name": "sentence-transformers",
    "pipeline_tag": "sentence-similarity",
    "tags": [
      "sentence-transformers",
      "pytorch",
      "onnx",
      "safetensors",
      "openvino",
      "mpnet",
      "fill-mask",
      "feature-extraction",
      "sentence-similarity",
      "transformers",
      "text-embeddings-inference",
      "en",
      "dataset:s2orc",
      "dataset:flax-sentence-embeddings/stackexchange_xml",
      "dataset:ms_marco",
      "dataset:gooaq",
      "dataset:yahoo_answers_topics",
      "dataset:code_search_net",
      "dataset:search_qa",
      "dataset:eli5",
      "dataset:snli",
      "dataset:multi_nli",
      "dataset:wikihow",
      "dataset:natural_questions",
      "dataset:trivia_qa",
      "dataset:embedding-data/sentence-compression",
      "dataset:embedding-data/flickr30k-captions",
      "dataset:embedding-data/altlex",
      "dataset:embedding-data/simple-wiki",
      "dataset:embedding-data/QQP",
      "dataset:embedding-data/SPECTER",
      "dataset:embedding-data/PAQ_pairs",
      "dataset:embedding-data/WikiAnswers",
      "arxiv:1904.06472",
      "arxiv:2102.07033",
      "arxiv:2104.08727",
      "arxiv:1704.05179",
      "arxiv:1810.09305",
      "license:apache-2.0",
      "eval-results",
      "endpoints_compatible",
      "deploy:azure",
      "region:us"
    ]
  }
}