{
  "calculator": "sec-filing-chunk-optimizer",
  "title": "SEC Filing Chunk Optimizer",
  "site": "AI Fin Hub",
  "input": {},
  "defaults_used": {
    "archetype_id": "10k-body",
    "chunk_size": 1024,
    "embedding_model_id": "openai-embed-3-small",
    "overlap_pct": 0.15,
    "query_reembed_count": 100,
    "strategy": "structural"
  },
  "result": {
    "archetype": {
      "id": "10k-body",
      "name": "10-K (full body)",
      "totalTokens": 91000,
      "structuralBoundaries": 12,
      "tableHeavy": true,
      "notes": "Form 10-K main document: business, risk factors, MD&A and financial statements, ~12 Items, dense tables in Items 7 and 8. Median of 15 recent 10-Ks sampled from EDGAR (2026-10-19)."
    },
    "embedding": {
      "id": "openai-embed-3-small",
      "name": "text-embedding-3-small",
      "vendor": "OpenAI",
      "usdPerMTokens": 0.02,
      "dim": 1536,
      "source": "https://developers.openai.com/api/docs/models/text-embedding-3-small"
    },
    "strategy": "structural",
    "chunkCount": 105,
    "avgTokens": 1018,
    "minTokens": 1024,
    "maxTokens": 1024,
    "tokensIngested": 106890,
    "embeddingCostOnce": 0.0021378,
    "embeddingCostPer100Queries": 0.00008,
    "warnings": [],
    "strategyNotes": "Respects Items / section headers / speaker turns. Preserves table blocks by keeping heading+table together. Chunk sizes are uneven but semantically clean."
  },
  "provenance": {
    "run": "https://aifinhub.io/api/run/sec-filing-chunk-optimizer",
    "page": "https://aifinhub.io/sec-filing-chunk-optimizer/",
    "methodology": "https://aifinhub.io/methodology/sec-filing-chunk-optimizer/",
    "contract": "https://aifinhub.io/contracts/sec-filing-chunk-optimizer.json",
    "engine": "https://aifinhub.io/engines/sec-filing-chunk-optimizer.js",
    "engine_sha256": "01081fca077dc4ac6756cc95a2c75e0ea5be91b500693e60b68cb59a21da3d94",
    "build": "9e8a56a16bda662ba90601b49561a2b176e9c379"
  },
  "disclaimer": "Planning estimates only — not financial, tax, or investment advice.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "cite": "AI Fin Hub, SEC Filing Chunk Optimizer (engine 01081fca077d), https://aifinhub.io/api/run/sec-filing-chunk-optimizer"
}