{
  "id": "qwen3guard-stream-4b",
  "name": "Qwen3Guard-Stream-4B",
  "developer": "Qwen",
  "family": "Qwen3Guard",
  "variant": "Stream-4B",
  "model": {
    "parameters": "4B",
    "total_parameters_billions": 4.0,
    "context": {
      "value": 8192,
      "display": "8,192 tokens",
      "status": "verified",
      "evidence": [
        {
          "source": "config.json",
          "detail": "max_position_embeddings"
        }
      ]
    },
    "modality": "Safety / feature extraction",
    "tags": [
      "safety / feature extraction",
      "qwen3guard"
    ]
  },
  "weights": {
    "status": "verified-available",
    "repository": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B",
    "access": "public",
    "exact_files": [
      "model-00001-of-00002.safetensors",
      "model-00002-of-00002.safetensors",
      "model.safetensors.index.json"
    ],
    "file_count": 3,
    "formats": [
      "Safetensors"
    ],
    "precision_availability": {
      "bf16": {
        "available": true,
        "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": [
      "BF16",
      "BFLOAT16"
    ],
    "evidence": [
      {
        "source": "https://huggingface.co/api/models/Qwen/Qwen3Guard-Stream-4B",
        "type": "Hugging Face model API siblings"
      }
    ]
  },
  "license": {
    "id": "apache-2.0",
    "name": "Apache-2.0",
    "url": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B/blob/main/LICENSE",
    "status": "verified",
    "commercial_use": {
      "status": "allowed",
      "label": "Commercial use allowed under Apache-2.0 conditions",
      "basis": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B/blob/main/LICENSE"
    },
    "repository_license_files": [
      "LICENSE"
    ],
    "verification": {
      "status": "license-file-checked",
      "checked_at": "2026-10-02",
      "source": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B/blob/main/LICENSE"
    }
  },
  "hardware": {
    "status": "estimated",
    "weight_only_gb": {
      "bf16_fp16": 8.0,
      "fp8_int8": 4.0,
      "int4": 2.0
    },
    "note": "Weight-only decimal-GB estimate from total parameter count; excludes KV cache, activations, runtime overhead, optimizer state and sharding."
  },
  "lineage": {
    "family": "Qwen3Guard",
    "variant": "Stream-4B",
    "parent": "not-yet-verified",
    "base_model": {
      "status": "declared",
      "models": [
        "Qwen/Qwen3-4B"
      ],
      "relation": null,
      "evidence": [
        {
          "source": "model-card metadata",
          "field": "base_model"
        }
      ]
    }
  },
  "training_assets": {
    "training_recipe": {
      "status": "not-disclosed-in-checked-repository",
      "files": [],
      "links": [],
      "evidence": []
    },
    "data_disclosure": {
      "status": "not-disclosed-in-standard-metadata-or-obvious-model-card-section",
      "datasets": [],
      "evidence": []
    },
    "evaluations": "Not classified by automated verifier",
    "intermediate_checkpoints": "Not classified by automated verifier"
  },
  "sources": [
    {
      "type": "model_repository",
      "url": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B",
      "tier": "primary"
    },
    {
      "type": "model_api",
      "url": "https://huggingface.co/api/models/Qwen/Qwen3Guard-Stream-4B",
      "tier": "primary"
    },
    {
      "type": "model_card",
      "url": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B/blob/main/README.md",
      "tier": "primary",
      "available": true
    },
    {
      "type": "config",
      "url": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B/blob/main/config.json",
      "tier": "primary",
      "available": true
    },
    {
      "type": "license",
      "url": "https://huggingface.co/Qwen/Qwen3Guard-Stream-4B/blob/main/LICENSE",
      "tier": "primary-or-declared"
    }
  ],
  "verification": {
    "level": "field-verified",
    "checked_at": "2026-10-03",
    "checked_at_iso": "2026-10-03T13:17:24+00:00",
    "method": "Hugging Face API + repository file list + model card + config.json",
    "readme_accessible": true,
    "config_accessible": true,
    "fields": {
      "license": "verified",
      "commercial_use": "classified",
      "context": "verified",
      "weight_files": "verified",
      "formats": "verified",
      "base_model": "declared",
      "training_recipe": "not-disclosed-in-checked-repository",
      "data_disclosure": "not-disclosed-in-standard-metadata-or-obvious-model-card-section",
      "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: source-linked."
      }
    ],
    "mode": "repository-revision-unchanged",
    "full_verified_at": "2026-10-02"
  },
  "runtime_support": {
    "declared_library": "Transformers",
    "pipeline_tag": "feature-extraction",
    "declared": [
      "Transformers"
    ],
    "mentioned_in_model_card": [
      "SGLang",
      "vLLM"
    ],
    "artifact_signals": [],
    "tested_by_openmodelweights": false
  },
  "hub": {
    "last_modified": "2026-09-27T02:00:18.000Z",
    "downloads": 556,
    "likes": 28,
    "sha": "0e281784acd1370a2527aece964bcb267927f799",
    "library_name": "transformers",
    "pipeline_tag": "feature-extraction",
    "tags": [
      "transformers",
      "safetensors",
      "qwen3",
      "feature-extraction",
      "custom_code",
      "arxiv:2510.14276",
      "base_model:Qwen/Qwen3-4B",
      "base_model:finetune:Qwen/Qwen3-4B",
      "license:apache-2.0",
      "text-embeddings-inference",
      "endpoints_compatible",
      "region:us"
    ],
    "created_at": "2025-09-23T11:49:13.000Z"
  },
  "discovery": {
    "source": "Open Model Weights curated seed",
    "pinned": true,
    "repo_id": "Qwen/Qwen3Guard-Stream-4B"
  }
}