{"citations":{"source_mix":{"company_owned":127,"independent":98,"unclear":18},"sources_referenced_by_questions":0,"support_mix":{"direct":171,"partial":60},"total_sources":243,"unique_domain_count":85},"claims":[{"claim_id":"claim-001","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platforms_analyzed","qualifier":"valid included platform responses","subject":"Best Walk-In Tubs With Air Jets","unit":"platforms","value":7},{"claim_id":"claim-002","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"Ella's Bubbles","unit":"rank","value":1},{"claim_id":"claim-003","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Ella's Bubbles","unit":"platforms","value":7},{"claim_id":"claim-004","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","openai","perplexity"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"KOHLER Walk-In Bath","unit":"rank","value":2},{"claim_id":"claim-005","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","grok","openai","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"KOHLER Walk-In Bath","unit":"platforms","value":6},{"claim_id":"claim-006","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","kimi","openai"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"American Standard Gelcoat Premium 30x52 Air Spa","unit":"rank","value":3},{"claim_id":"claim-007","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google","kimi","openai"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"American Standard Gelcoat Premium 30x52 Air Spa","unit":"platforms","value":5},{"claim_id":"claim-008","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"Safe Step","unit":"rank","value":4},{"claim_id":"claim-009","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","deepseek","google"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Safe Step","unit":"platforms","value":3},{"claim_id":"claim-010","confidence":"verified","observed_at":"2026-09-27","platform_support":["google","grok"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"ANZZI","unit":"rank","value":5},{"claim_id":"claim-011","confidence":"verified","observed_at":"2026-09-27","platform_support":["google","grok"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"ANZZI","unit":"platforms","value":2},{"claim_id":"claim-012","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","kimi"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"Walk-In Tubs of America Ultimate","unit":"rank","value":6},{"claim_id":"claim-013","confidence":"verified","observed_at":"2026-09-27","platform_support":["deepseek","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Walk-In Tubs of America Ultimate","unit":"platforms","value":2},{"claim_id":"claim-014","confidence":"verified","observed_at":"2026-09-27","platform_support":["google","perplexity"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"Meditub","unit":"rank","value":7},{"claim_id":"claim-015","confidence":"verified","observed_at":"2026-09-27","platform_support":["google","perplexity"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Meditub","unit":"platforms","value":2},{"claim_id":"claim-016","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","kimi"],"predicate":"final_consensus_rank","qualifier":"Gentle Air Massage Bathing","subject":"Independent Home Walk-In Tub with Air Therapy","unit":"rank","value":8},{"claim_id":"claim-017","confidence":"verified","observed_at":"2026-09-27","platform_support":["anthropic","kimi"],"predicate":"platform_mentions","qualifier":"out of 7","subject":"Independent Home Walk-In Tub with Air Therapy","unit":"platforms","value":2}],"content_scope":"aggregated facts, computed metrics, and retrieval summaries","entities":[{"average_rank":1,"best_rank":1,"entity_id":"entity-001","entity_type":"company","final_rank":1,"name":"Ella's Bubbles","platform_mentions":7,"platform_share":1},{"average_rank":4.666666666666667,"best_rank":2,"entity_id":"entity-002","entity_type":"company","final_rank":2,"name":"KOHLER Walk-In Bath","platform_mentions":6,"platform_share":0.8571428571428571},{"average_rank":2.4,"best_rank":2,"entity_id":"entity-003","entity_type":"company","final_rank":3,"name":"American Standard Gelcoat Premium 30x52 Air Spa","platform_mentions":5,"platform_share":0.7142857142857143},{"average_rank":6,"best_rank":4,"entity_id":"entity-004","entity_type":"company","final_rank":4,"name":"Safe Step","platform_mentions":3,"platform_share":0.42857142857142855},{"average_rank":4,"best_rank":2,"entity_id":"entity-005","entity_type":"company","final_rank":5,"name":"ANZZI","platform_mentions":2,"platform_share":0.2857142857142857},{"average_rank":4,"best_rank":3,"entity_id":"entity-006","entity_type":"company","final_rank":6,"name":"Walk-In Tubs of America Ultimate","platform_mentions":2,"platform_share":0.2857142857142857},{"average_rank":5,"best_rank":3,"entity_id":"entity-007","entity_type":"company","final_rank":7,"name":"Meditub","platform_mentions":2,"platform_share":0.2857142857142857},{"average_rank":8,"best_rank":8,"entity_id":"entity-008","entity_type":"company","final_rank":8,"name":"Independent Home Walk-In Tub with Air Therapy","platform_mentions":2,"platform_share":0.2857142857142857}],"identity":{"dataset_url":"https://aginginplaceindex.com/datasets/walk-in-tubs/gentle-air-massage-bathing.json","page_url":"https://aginginplaceindex.com/walk-in-tubs/gentle-air-massage-bathing","report_type":"best_of_index","study_id":"AIPI-STUDY-8D6A8F8F5C15","title":"Best Walk-In Tubs With Air Jets (2026)"},"limitations":["Exactly 7 platforms were included in this run: openai, anthropic, deepseek, grok, perplexity, kimi, google. 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":"Aging in Place 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":"2026-09-27 11:11:47.292379+00","research_date":"2026-09-27","source_snapshot_sha256":"1fdf744920e791ea372cb369144082f8707af3bd548fbec6064048dd6d1333c8","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":22,"qualified_finalists":8,"ranking_unit":"Walk-in tub model and manufacturer"},"schema_version":4,"summary":"Ella's Bubbles leads the September 2026 consensus ranking for Gentle Air Massage Bathing, followed by KOHLER Walk-In Bath and American Standard Gelcoat Premium 30x52 Air Spa. The current study includes 7 valid AI-platform responses and 8 qualifying entities. Compared with August 2026, the leader did not change. The current list added KOHLER Walk-In Bath, American Standard Gelcoat Premium 30x52 Air Spa, Walk-In Tubs of America Ultimate, and Independent Home Walk-In Tub with Air Therapy and removed American Standard Gelcoat Value Series 30 x 52-Inch Walk-In Tub and Kohler. This is an…","target_buyer":"Older adults who want a softer spa-style massage experience without high-pressure hydrotherapy jets","topic":{"base_category":"Walk-in tubs","category_criteria":["Air jet coverage","massage intensity settings","auto-purge drying cycle","seat comfort","noise level","cleaning requirements","fill/drain speed","total installed cost"],"geography":"United States","slug":"best-walk-in-tubs-with-air-jets","title":"Best Walk-In Tubs With Air Jets","use_case":"Gentle Air Massage Bathing"}}