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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":"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 21:28:24.106702+00","research_date":"2026-09-27","source_snapshot_sha256":"cad2a6a414a622476a3a4c0d7e99e378651d62ab0d76656119b7104cf73d265a","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":18,"qualified_finalists":7,"ranking_unit":"Large-button phone model and provider"},"schema_version":4,"summary":"Lively Jitterbug Flip2 leads the September 2026 consensus ranking for Large-Button Calling & Texting, followed by Consumer Cellular IRIS Easy Flip and Nokia 2780 Flip. The current study includes 7 valid AI-platform responses and 7 qualifying entities. Compared with August 2026, the leader changed. The current list added Nokia 2780 Flip, RAZ Memory Cell Phone, TCL Flip 4, Panasonic KX-TGM450S, and Easyfone Big-Button Bar Phone and removed MiniVision2+ Cell Phone, TCL FLIP 4 5G, and Sonim XP5plus. This is an immediately preceding-month comparison. Rank movement measures changes in this…","target_buyer":"Seniors with vision, dexterity, or memory challenges who need large tactile buttons and very simple phone controls","topic":{"base_category":"Senior technology","category_criteria":["Button size and spacing","high-contrast display","loudspeaker volume","charging dock usability","emergency contacts","hearing aid compatibility","battery life"],"geography":"United States","slug":"best-large-button-phones-for-seniors","title":"Best Large-Button Phones for Seniors","use_case":"Large-Button Calling & Texting"}}