{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-08",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.4",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "author": "stepfun",
    "category": "inference",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/step.json",
    "kind": "model",
    "listed": "indexed",
    "maker": "StepFun",
    "markdownUrl": "https://www.anchorterminal.com/tools/step.md",
    "modelCount": 1,
    "models": [
      {
        "contextTokens": 1000000,
        "id": "stepfun/step-5-preview",
        "input": [
          "image",
          "text",
          "video"
        ],
        "inputUsdPerM": 1,
        "maxOutput": 64000,
        "name": "Step 5 Preview",
        "outputUsdPerM": 2.7,
        "promptCaching": true,
        "reasoning": true,
        "released": "2026-10-08",
        "structuredOutputs": true,
        "tools": true
      }
    ],
    "name": "Step",
    "note": "Indexed from OpenRouter: facts and our own checks, not reviewed, so no score, grade or rank.",
    "pageJsonUrl": "https://www.anchorterminal.com/tools/step.json",
    "reviewed": false,
    "slug": "step",
    "source": "OpenRouter",
    "sourceUrl": "https://openrouter.ai/stepfun/step-5-preview",
    "summary": "Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...",
    "updatedAt": "2026-10-08T12:34:09Z",
    "url": "https://www.anchorterminal.com/tools/step",
    "vendor": "StepFun",
    "vendorUrl": "",
    "why": [
      "openrouter"
    ]
  }
}