{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-30T12:29:00.575278+00:00",
  "record_id": "VXI-EXT-ICE08-LANGSMITH-NONLINEAR-CUSTOM-COST-CALCULATION-01-v1",
  "record_kind": "external_reference",
  "title": "Does a generic per-token LangSmith price map cover every custom charging formula",
  "system": "LangChain",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does a generic per-token LangSmith price map cover every custom charging formula?",
  "near_questions": [
    "How should a custom non-linear model charge be recorded?",
    "Can a token price reproduce every tiered contract?",
    "When must a LangSmith client provide calculated costs?",
    "Does a generic model price settle a billing discrepancy?"
  ],
  "supported_claims": [
    {
      "claim": "LangSmith documents built-in support for specified Gemini stepwise pricing. For other non-linear models it directs clients to calculate cost and send the result in usage metadata.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Do not equate a linear estimate with a non-linear contracted charge without the applicable calculation evidence.",
    "Buyer implementation, live runtime enforcement, settled payment, verified deletion or certification are not established.",
    "No expanded capabilities or licences for existing INDEX executables."
  ],
  "public_summary": "LangSmith documents built-in support for specified Gemini stepwise pricing. For other non-linear models it directs clients to calculate cost and send the result in usage metadata.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Cost tracking",
    "source_url": "https://docs.langchain.com/langsmith/cost-tracking.md",
    "checked_on": "2026-10-30",
    "candidate_record_id": "VXI-EXT-ICE08-LANGSMITH-NONLINEAR-CUSTOM-COST-CALCULATION-01-v1",
    "candidate_record_sha256": "c63b8646dabbd2b5e7f692dcaa937ac80f3dc056c1637ef304109d1630911db7",
    "method": "Primary documentation reviewed for the published bounded statement.",
    "deployment_tested_by_varexis": false,
    "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "LangSmith documents built-in support for specified Gemini stepwise pricing. For other non-linear models it directs clients to calculate cost and send the result in usage metadata.",
    "required_buyer_context": "model; usage; charging formula; supplied cost metadata; provider bill scope. Buyer deployment not inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "decision_profile": {
    "schema": "varexis-vendor-evidence-review/1",
    "review_status": "documentation_review_only",
    "checked_on": "2026-10-30",
    "claim_to_check": "Does a generic per-token LangSmith price map cover every custom charging formula?",
    "documented_statement": {
      "status": "documented",
      "statement": "LangSmith documents built-in support for specified Gemini stepwise pricing. For other non-linear models it directs clients to calculate cost and send the result in usage metadata.",
      "source_ids": [
        "langsmith-cost"
      ]
    },
    "review_inference": {
      "status": "review_inference",
      "statement": "Does a generic per-token LangSmith price map cover every custom charging formula? Use the stated boundary to identify missing scope, source or outcome evidence before closing the review. Run-level non-linear calculation differs from selecting invoice cost bases. This is an operational review inference, not an observed deployment outcome.",
      "source_ids": [
        "langsmith-cost"
      ]
    },
    "buyer_evidence_required": [
      "model",
      "usage",
      "charging formula",
      "supplied cost metadata",
      "provider bill scope"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Do not equate a linear estimate with a non-linear contracted charge without the applicable calculation evidence."
    },
    "unknowns": "The buyer implementation, effective authority, source-data completeness and actual business outcomes were not inspected.",
    "unknown_finding": {
      "status": "unknown",
      "statement": "No buyer deployment or transaction was observed."
    },
    "evidence_sources": [
      {
        "source_id": "langsmith-cost",
        "url": "https://docs.langchain.com/langsmith/cost-tracking.md",
        "final_url": "https://docs.langchain.com/langsmith/cost-tracking.md",
        "captured_at_utc": "2026-10-30T12:14:28.900153+00:00",
        "status": 200,
        "content_type": "text/markdown; charset=utf-8",
        "bytes": 46319,
        "sha256": "52602523b909a6dfe8b33e7777fc0190d2b723cd9e2f385293170aeb00002c05",
        "title": "Cost tracking",
        "publisher": "LangChain",
        "checked_on": "2026-10-30",
        "capture_status": 200,
        "claim_review_completed": true,
        "hash_basis": "SHA-256 of captured HTTP response-body bytes; not a signature or factual guarantee.",
        "version_context": "Official SDK/service documentation captured 2026-10-30. Rolling documentation, not a pinned implementation release; recheck current version and configuration before reliance.",
        "rights_disposition": "Original bounded paraphrase with source attribution. Captured source body remains private; no source-body redistribution. Vendor documentation rights, code licences and marks are not transferred.",
        "reviewed_sections": [
          "Cost tracking",
          "Create a new or modify an existing model price entry",
          "LLM calls: Send costs directly"
        ]
      }
    ],
    "observed_deployment": false,
    "commercial_reliance_boundary": "Documentation supports only the stated boundary. Existing licensed checkers analyse supported supplied declarations locally; they do not inspect provider accounts, verify live behaviour, enforce decisions or certify compliance.",
    "paid_value": {
      "decision_context": "Does a generic per-token LangSmith price map cover every custom charging formula? Use the stated boundary to identify missing scope, source or outcome evidence before closing the review.",
      "free": "Complete source review, questions, provenance and limitations; free to read and save locally.",
      "single_request": "Unavailable for this publication-only record; historical saved retrieval is unchanged.",
      "evidence_receipt": "Unavailable for this publication-only record; no paid retrieval entitlement is added.",
      "excluded": [
        "Fresh source research",
        "Native provider integration or schema support",
        "Live inspection or runtime enforcement",
        "Payment settlement or verified deletion",
        "Certification or expanded licences"
      ],
      "integrity": "Hashes identify content versions; they do not prove factual truth or provide a signature."
    },
    "revalidation": {
      "trigger": "Recheck current primary documentation and the applicable API, service, account and configuration before reliance. No ongoing monitoring is included.",
      "specific_watch": "LLM calls: Send costs directly"
    },
    "buyer_relevance": "Does a generic per-token LangSmith price map cover every custom charging formula? Use the stated boundary to identify missing scope, source or outcome evidence before closing the review.",
    "refusal_conditions": [
      "Do not equate a linear estimate with a non-linear contracted charge without the applicable calculation evidence.",
      "Do not infer deployment conformance, authority or successful outcomes from source documentation."
    ],
    "decision_context": {
      "operator": "Agent platform operator or cost reviewer",
      "scenario": "Does a generic per-token LangSmith price map cover every custom charging formula?",
      "consequence": "Use the stated boundary to identify missing scope, source or outcome evidence before closing the review.",
      "confidence": "High for captured documentation; applicability and deployed behaviour unverified."
    },
    "novelty_review": {
      "candidate_id": "ICE08-028",
      "disposition": "EXTENSION",
      "nearest_record_id": "VXI-EXT-PROCUREMENT-FOCUS-BILLED-EFFECTIVE-COST-PERIOD-BASIS-01-v1",
      "nearest_record_url": "/varexis-index/records/focus-billed-effective-cost-period-basis.json",
      "nearest_record_sha256": "4b84758f698092801e1d7c4f2f71ae7da275ad247f4c84d698243a1767b11a06",
      "material_distinction": "Run-level non-linear calculation differs from selecting invoice cost bases.",
      "review_status": "PASS: implementing-agent source and duplication review"
    },
    "optional_selection": {
      "guide_id": "agent-run-cost-trace-evidence",
      "guide_url": "/index-guides/agent-run-cost-trace-evidence",
      "guide_manifest": "/varexis-index/decision-guides.json",
      "checker": {
        "product_id": "agent-audit-coverage",
        "price_gbp_excluding_vat": 79,
        "purchase_url": "/index-access?route=agentic_pack_audit_coverage_v1",
        "licence_scope": "Existing separate internal-use licence; subscriptions do not include the executable.",
        "benefit": "Optional local analysis of supported supplied declarations only; no native provider integration or verification is added."
      },
      "boundary": "Optional Audit Coverage only reconciles supported supplied event-chain declarations. It does not connect to these providers, calculate model charges, verify live permissions, export traces or enforce budgets."
    },
    "exact_access": {
      "endpoint": "/mcp/catalogue",
      "tool": "get_publication_record",
      "arguments": {
        "record_id": "VXI-EXT-ICE08-LANGSMITH-NONLINEAR-CUSTOM-COST-CALCULATION-01-v1"
      },
      "record_url": "/varexis-index/records/langsmith-nonlinear-custom-cost-calculation.json",
      "original_mcp_search": false,
      "paid_saved_retrieval": false
    }
  },
  "niche": {
    "niche_id": "ice08-audit",
    "label": "Audit, Provenance & Evidence Accountability",
    "classification_id": "audit",
    "classification_label": "Audit, Provenance & Evidence Accountability",
    "topic_id": "audit",
    "buyer_intent": "Does a generic per-token LangSmith price map cover every custom charging formula? Use the stated boundary to identify missing scope, source or outcome evidence before closing the review.",
    "comparison_role": "supplementary_discovery"
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "single_request",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "availability_endpoint": "/api/index/capabilities",
    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#langsmith-nonlinear-custom-cost-calculation",
  "machine_readable_record": "/varexis-index/records/langsmith-nonlinear-custom-cost-calculation.json"
}