{
  "id": "step37-flash-official",
  "title": "Step-3.7-Flash: official model and deployment card",
  "kind": "model",
  "source_type": "official_model_card",
  "summary": "Official Step 3.7 Flash card with serving examples and high-memory workstation options, including distinct engine paths.",
  "runtime": "vLLM / SGLang / Transformers / llama.cpp",
  "runtime_topics": [
    "vLLM",
    "SGLang",
    "Transformers",
    "llama.cpp"
  ],
  "hardware_topics": [
    "apple",
    "amd",
    "nvidia"
  ],
  "platform_topics": [],
  "model_label": "Step-3.7-Flash",
  "model_family": "Step",
  "model_id": "stepfun-ai/Step-3.7-Flash",
  "model_release_date": null,
  "model_artifact": {
    "id": "stepfun-ai/Step-3.7-Flash",
    "revision": "5f6244077ac62e04eec3f320501ff8c2b293373a",
    "format": null
  },
  "evidence_state": "source_reported",
  "site_reproduced": false,
  "record_type": "curated_reference",
  "performance_ranking_allowed": false,
  "metrics": null,
  "metrics_status": "site_metrics_unmeasured; attributed_source_figures_in_editorial.reported_results",
  "conditions": {
    "model_revision": "5f6244077ac62e04eec3f320501ff8c2b293373a",
    "weight_hash": null,
    "runtime_execution_revision": null,
    "input_tokens": null,
    "output_tokens": null,
    "concurrency": null,
    "cache_state": null,
    "quantization": null,
    "speculative_decoding": null,
    "temperature": null,
    "top_p": null
  },
  "reported_setup": {
    "system": null,
    "node_count": null,
    "parallelism": null,
    "kv_dtype": null,
    "context_limit_tokens": null,
    "experiment_date": null
  },
  "test_profiles": [],
  "deployment_options": [],
  "recipe_parameters": null,
  "measurement_scope": "official_capability_and_deployment",
  "notes": [
    "Local deployment sections distinguish vLLM, SGLang and Transformers.",
    "The card discusses high-memory Apple, AMD and NVIDIA workstation paths."
  ],
  "limitations": [
    "Hardware mentions are publisher guidance, not a Run AI Here compatibility test."
  ],
  "comparison_status": "not_comparable",
  "editorial_status": "source_derived_detailed_article",
  "public_benchmark_snapshot": false,
  "source": {
    "publisher": "stepfun-ai",
    "url": "https://huggingface.co/stepfun-ai/Step-3.7-Flash",
    "repository": "stepfun-ai/Step-3.7-Flash",
    "platform": "huggingface",
    "revision": "5f6244077ac62e04eec3f320501ff8c2b293373a",
    "document_path": "README.md",
    "pinned_url": "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md",
    "report_url": null,
    "document_sha256": "b0d04c993d40a28fff3ecac99045de502e75b0c0635e233f2aa8614783972519",
    "last_commit_at": "2026-06-03T04:11:57.000Z",
    "checked_on": "2026-10-17",
    "metadata_status": "checked"
  },
  "license": {
    "declared_spdx": "apache-2.0",
    "declared_name": null,
    "scope": "Publisher model-card declaration; inspect the linked LICENSE and artifact-specific terms."
  },
  "editorial": {
    "version": 1,
    "published_on": "2026-10-17",
    "modified_on": "2026-10-17",
    "byline": "Run AI Here editorial",
    "creation_method": "AI-assisted source reading and original editorial synthesis; no independent model execution.",
    "answer": "Official Step 3.7 Flash card with serving examples and high-memory workstation options, including distinct engine paths.",
    "sections": [
      {
        "heading": "What is included in Step 3.7 Flash?",
        "paragraphs": [
          "The publisher describes about 198B parameters in total, combining a 196B language backbone and a 1.8B vision encoder, with roughly 11B active parameters per token. The advertised context is 256K tokens and reasoning has low, medium and high levels. These architecture labels do not establish a local memory budget."
        ],
        "citations": [
          "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md#L17"
        ]
      },
      {
        "heading": "Is the advertised throughput a desktop benchmark?",
        "paragraphs": [
          "The introduction advertises up to 400 tokens per second, but does not identify a matching local workstation configuration in that sentence. We do not reuse it as a measured Spark, Apple or consumer-GPU result. Its capability scores also name distinct tasks and tool settings, such as SimpleVQA with search and V* with Python."
        ],
        "citations": [
          "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md#L17"
        ]
      },
      {
        "heading": "Which local engine paths are documented?",
        "paragraphs": [
          "The card separates vLLM, SGLang, Transformers and llama.cpp paths. Transformers is presented as a debugging and verification route. The vLLM recipe has explicit precision and multi-GPU choices; the existence of a llama.cpp section does not mean a generic GGUF or an arbitrary runtime revision supports the model."
        ],
        "citations": [
          "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md#L124"
        ]
      },
      {
        "heading": "What must be fixed before testing?",
        "paragraphs": [
          "Choose the exact weight format, reasoning level, parser and engine version, then retain prompt/output lengths and cache policy. A vision request also needs its image preprocessing and encoder placement. Keep a short load check separate from a timed or quality evaluation, and attribute all figures here to the publisher until an independent run exists."
        ],
        "citations": [
          "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md#L128"
        ]
      }
    ],
    "facts": [
      {
        "name": "Total / language / vision / active parameters",
        "value": "198B / 196B / 1.8B / approximately 11B",
        "classification": "publisher_declaration",
        "evidence_url": "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md#L17",
        "source_document_sha256": "b0d04c993d40a28fff3ecac99045de502e75b0c0635e233f2aa8614783972519"
      },
      {
        "name": "Published context / reasoning levels",
        "value": "256K / low, medium, high",
        "classification": "publisher_declaration",
        "evidence_url": "https://huggingface.co/stepfun-ai/Step-3.7-Flash/blob/5f6244077ac62e04eec3f320501ff8c2b293373a/README.md#L17",
        "source_document_sha256": "b0d04c993d40a28fff3ecac99045de502e75b0c0635e233f2aa8614783972519"
      }
    ],
    "reported_results": [],
    "source_document_sha256": "b0d04c993d40a28fff3ecac99045de502e75b0c0635e233f2aa8614783972519"
  }
}