{
  "schema_version": "1.0",
  "surface_type": "tool_answer",
  "tool_id": "rag-reranking-cost-impact",
  "citation_question": "How much does reranking change agent cost when rerank depth changes?",
  "question": "How do rerank docs per request changes affect retrieval-heavy agent cost per user and break-even price?",
  "canonical_url": "https://www.unitcostai.com/tools/reranking-cost",
  "formula": "reranking_cost_per_request_usd = rerank_docs / 1000 * rerank_per_1k_docs; total_cost_delta_usd = cost_candidate_usd - cost_baseline_usd; break_even_delta_usd = break_even_candidate_usd - break_even_baseline_usd",
  "assumptions": [
    "Baseline and candidate runs share non-rerank assumptions",
    "Rerank docs per request is bounded at zero or above",
    "Reported deltas are candidate minus baseline"
  ],
  "example": "If baseline rerank docs/request=24 and candidate=12, rerank_docs_delta=-12 and reranking plus total cost deltas are computed from the paired model outputs.",
  "units": "Documents per request and USD deltas per active user-month",
  "pricing_context": {
    "context_type": "pricing_snapshot",
    "snapshot_id": "2026-06-21",
    "snapshot_date": "2026-06-21",
    "reference_url": "https://www.unitcostai.com/pricing"
  },
  "pricing_snapshot": {
    "snapshot_id": "2026-06-21",
    "snapshot_date": "2026-06-21",
    "pricing_reference_url": "https://www.unitcostai.com/pricing"
  }
}