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The configured source value 7 is provenance only and must never be described as the number of platforms studied.","The finalrankingtable is the sole authority for rank, platform mentions, platform share, average rank, and best rank. Ignore any conflicting value embedded in a entity evidence bundle.","The Consensus Ranking table must contain exactly one row per finalrankingtable entity, in that order, using that exact entityname. Never split one ranked entity into two product, model, SKU, or product-line rows, and never add another ranking row for a brand already listed. Put recommended products or plans inside that entity's ranked section.","Platform mentions count only ranking-discovery mentions. Do not substitute the number of platforms that later completed a fit assessment.","Citation IDs inside each entity bundle are local to that entity. Consolidate sources by URL using the supplied source catalog.","The URLs were collected from platform responses and were not independently validated by either writer stage.","Each fitreviewurlorplaceholder is the final site-relative CMS path for that entity's review. Link the entity name to that exact path exactly once in its ranked prose section, outside tables and headings. Never replace it with a run ID, report ID, UUID, or local output path.","Use the exact entity-namespaced citation IDs from the source catalog (e.g. e1:); never transfer a citation between entities."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Home Services Consensus Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-10-01 09:47:12.270491+00","research_date":"2026-09-30","source_snapshot_sha256":"bad531794012508035036e15184d86ee480cf86a3f4ee6f5d384bc145ebc53b1","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":17,"qualified_finalists":9,"ranking_unit":"Home warranty company or plan brand"},"schema_version":4,"summary":"First American Home Warranty is the consensus leader for luxury home high-end coverage, named by all 7 platforms studied (100.0% share) at an average listed position of 1.14. American Home Shield also appeared on all 7 platforms (100.0%) at an average position of 2.43, and Liberty Home Guard followed at 6 of 7 platforms (85.7%). The strongest alternatives for distinct buyer needs are American Home Shield for the highest published aggregate limit ($50,000) and pre-existing-condition tolerance, Liberty Home Guard for item-specific Pro-Series add-ons, and Super Home Warranty for a $10,000…","target_buyer":"A high net worth homeowner with a luxury property who needs high coverage caps and specialty brand technicians.","topic":{"base_category":"Home Warranty and Protection Plans","category_criteria":["coverage for premium appliance brands","high per-item payout caps","specialty contractor access","concierge service level"],"geography":"United States","slug":"best-premium-home-warranty-companies-for-luxury-homes-and-high-end-appliances","title":"Best Premium Home Warranty Companies for Luxury Homes and High-End Appliances","use_case":"luxury home high-end coverage"}}