AI Consensus Fit Review

Stannah for Budget-Friendly Stair Mobility - AI Consensus Fit Review

Stannah is a mixed fit for Budget-Friendly Stair Mobility.

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stairliftsPublished by Aging in Place Index to support informed aging-in-place decisions.

Answer Capsule

Stannah is a mixed fit for Budget-Friendly Stair Mobility. Of the 7 AI platforms that evaluated Stannah for this use case, 3 named it during the ranking stage (anthropic, deepseek, kimi), and 6 of 7 platforms rated its fit as "mixed" or "uncertain," with only google rating it "good." The strongest reason to consider Stannah is its lifetime motor-gearbox warranty on new direct purchases and its reputation for 20+ year product longevity, which reduces long-term cost of ownership. The main limitation is pricing transparency: Stannah requires personalized quotes, published estimates conflict (ranging from roughly $2,995 to $7,500 installed for straight models), and the company does not offer direct financing, making it difficult to classify as the lowest-cost option. Buyers prioritizing the absolute lowest upfront price will likely find cheaper alternatives from Bruno, AmeriGlide, or Savaria.

Research Snapshot

MetricValue
Platform mentions in ranking stage3 of 7 platforms (anthropic, deepseek, kimi)
Share of included platform responses42.9% (3 of 7)
Average listed rank5.67
Best listed rank5
Relevant product/model/planStannah Siena One Straight Stairlift; Stannah 600 Siena Straight Stairlift
Overall use-case fitMixed (6 of 7 platforms rated mixed or uncertain)
Research date2026-08-13

Why Stannah Qualified for This Study

Stannah qualified because 3 of 7 AI platforms named it during the ranking stage for budget-friendly stair mobility, meeting the minimum mention threshold of 2 platforms. The platforms identified Stannah's straight stairlift models—particularly the Siena One and Siena 600—as relevant to cost-conscious buyers seeking safe stair access. Stannah's inclusion reflects its status as an established stairlift manufacturer with a U.S. dealer network, not necessarily its positioning as a budget brand [1].

The Product, Model, Plan, or Service Most Relevant to Budget-Friendly Stair Mobility

The Stannah Siena One Straight Stairlift is the most frequently cited model for this use case, named by 5 of 7 platforms (anthropic, deepseek, google, grok, kimi). The Stannah 600 Siena Straight Stairlift was also identified as an entry-to-mid-range option [3]. The Stannah 260 was mentioned but primarily referenced as a curved model in some sources, creating uncertainty about its straight-stair relevance [4].

The Siena One is explicitly marketed by Stannah as its "economy model" and "low cost option," designed for secondary installations like basements and garages where basic features suffice [6]. It uses proven components from higher-end Siena models but eliminates customization options to reduce cost [6]. The Siena One features a 350-lb weight capacity, manual swivel seat, and standard safety sensors [6].

What the AI Platforms Agreed About

Strong agreement: Stannah is not the cheapest option. All 7 platforms that provided fit assessments characterized Stannah as positioned above the lowest-cost alternatives. Deepseek noted Stannah is "generally positioned as a premium brand" [9], while anthropic stated competitors like Bruno may undercut Stannah by $1,500–$2,000 on installed cost [10]. Kimi observed that direct-to-consumer alternatives like AmeriGlide Horizon ($1,695–$2,800) and Legacy II ($2,195) offer lower base prices [11].

Strong agreement: The lifetime motor-gearbox warranty is a genuine advantage. Multiple platforms cited Stannah's lifetime warranty on the carriage motor gearbox for new direct purchases, with 1-year parts and labor coverage [13]. Reconditioned units receive 10-year motor-gearbox coverage [13]. This warranty structure was described as exceeding industry standards [18].

Strong agreement: Professional installation is required. No platform identified a DIY installation option for Stannah. This contrasts with competitors like AmeriGlide and Legacy II, which offer self-installation to reduce costs [11]. Stannah's professional survey-and-install model adds to total cost but ensures proper fitting [19].

Majority agreement: Stannah offers strong standard safety features. Platforms cited seatbelts, safety edges/obstruction sensors, swivel seating, and battery backup as standard equipment [20]. The Siena One includes seat sensors, footrest sensors, and a retractable seat belt [22].

Majority agreement: Product longevity is a cost-of-ownership advantage. Stannah units average 18–22 years in active installs and routinely run 20+ years with maintenance, outperforming the industry average of 15–20 years [25]. This durability partially offsets the higher upfront cost.

Where the AI Platforms Disagreed or Were Uncertain

Pricing conflicts were significant. Published straight-stairlift price estimates varied widely across sources:

  • $2,995 base for Siena One (dealer-listed) [27]
  • $4,200 starting for Siena 600 straight [29]
  • $3,400–$5,500 published straight range [30]
  • $4,700 starting for straight installed [31]
  • $3,200–$7,500 typical straight range [33]
  • $5,000–$7,000 installed (deepseek estimate)
  • $2,500–$9,000 broad independent range [30]

OpenAI noted the conflicting ranges make Stannah "difficult to classify as the lowest-cost option" [34]. The $2,995 Siena One price may represent discounted or outlet pricing rather than standard retail [27].

Financing availability was disputed. ConsumerAffairs reported financing may be available, while Caring.com stated Stannah does not offer direct financing and relies on third-party lenders or dealer networks [35]. Stannah's official pages did not establish a universal U.S. financing plan [39]. Grok noted "financing available via dealers" [40], while kimi found no specific financing program mentioned [41].

Warranty terms varied by source and purchase channel. Stannah's U.S. website states lifetime motor warranty plus 1-year parts/labor, while UK sources cite a 2-year full warranty with 2 free annual services [42]. Dealer-purchased units may have different terms than direct purchases [39]. Reconditioned units carry 10-year motor coverage and 1-year parts/labor [44].

Model availability was uncertain. The Stannah 260 was primarily referenced as a curved model in some sources [45], while the Siena One's current U.S. availability was questioned—one source noted it appeared in a 2022 medical device database, and current 2026 status was unclear [46]. OpenAI flagged that "the supplied product names Stannah 260 Straight Stairlift and Siena One were not all confirmed as current U.S. offerings on the official pages checked" [47].

Perplexity could not verify core claims. Perplexity rated Stannah's fit as "uncertain," stating that no U.S.-specific pricing, installation fees, warranty terms, financing terms, or service-network details were verifiably retrieved for the named models [48].

Use-Case-Specific Features and Capabilities

Standard safety package. Stannah identifies seatbelts, safety edges that stop the lift when an obstruction is detected, manual swivel seating, ergonomic controls, emergency-stop functionality, and battery backup as relevant features [49]. The Siena One includes seat sensors, footrest side/vertical sensors, and a retractable seat belt [52].

Battery backup and maintenance. Stannah stairlifts operate on rechargeable, generally maintenance-free batteries that require eventual replacement [51]. Stannah recommends keeping the lift parked at a charging point and arranging regular or annual servicing [51]. Annual lubrication is required per ASME code [55].

Space efficiency. The Siena One's design allows swiveling onto upper landings even with a door at the top, which is important for basement and garage entries [56]. Compact, fold-away design saves space in tight hallways and landings [57].

Weight capacity. The Siena One offers a 350-lb weight capacity [56].

Customization limitations. The Siena One is not customizable and comes with basic features only, while the Siena offers upgraded features and multiple color options [56]. Optional upgrades on other models include powered swivel seating, retractable rails, and specialized belts, which can raise the total price [49].

Pricing, Fees, Contracts, and Ongoing Costs

Base equipment price. Published estimates for Stannah straight stairlifts range from $2,995 (Siena One dealer-listed) to $4,200 (Siena 600) to $4,700+ (installed starting price) [59]. Stannah itself does not publish fixed U.S. prices because quotes are customized after a stair survey [62].

Installation costs. Installation fees range from $345–$445 depending on step count, based on one dealer example [63]. Structural modifications (pie/box step) add $295–$395 [64]. Electrical outlet installation costs approximately $295 indoor and $325 outdoor [64].

Total installed cost. Typical range for straight stairs is $3,500–$7,500 [63]. Popular models are often purchased in the $3,500–$4,500 range [66]. Deepseek estimated $5,000–$7,000 installed [67].

Optional upgrades. Seat belt options add $250–$390 [68]. Narrow-width chair conversion adds approximately $140 [64]. Power swivel seat conversion and upholstery/rail color customization add variable costs [64].

Reconditioned units. Factory-reconditioned units typically cost approximately 80% of new price [69]. For a $4,200 Siena 600 new, a reconditioned unit would be approximately $3,360 [69]. Reconditioned units include 10-year motor-gearbox warranty and 1-year parts/labor [71].

Rental option. Stannah offers 3–6 month rentals with option-to-buy; installation, admin, and removal are included [73]. Rentals include professional maintenance coverage [70].

Ongoing costs. Annual service is recommended; the first 2 years of service are included with new units per UK warranty terms [74]. Post-warranty service costs are not transparently published; estimates range from $150–$300 per visit [67]. Service contracts are available from approximately $0.50/day based on UK pricing [75].

Financing. Stannah does not offer direct financing; buyers must rely on third-party lenders or dealer networks [76]. This contrasts with competitors like Bruno Elan, which offers financing at $109.99/month through Lifeway Mobility [79].

Best Suited For

  • Buyers prioritizing warranty and service support over the lowest possible equipment price [80]
  • Households with a standard straight staircase that want a professionally surveyed and installed system [81]
  • Buyers who value 20+ year product lifespan over lowest initial cost [82]
  • Secondary installations in basements or garages where basic features suffice [84]
  • Buyers who may benefit from a reconditioned Stannah unit, if a written warranty and local servicing are included [80]
  • Users in regions with established Stannah dealer networks (New England, Mid-Atlantic, California) [86]

Probably Not Best Suited For

  • Buyers whose primary objective is the lowest installed price; competing straight stairlifts may cost $1,500–$2,500 less installed [87]
  • Buyers needing transparent online pricing before accepting an in-home assessment [89]
  • Buyers requiring confirmed manufacturer financing or highly standardized national contract terms [91]
  • Buyers needing fast parts replacement; Stannah parts sourced from UK manufacturing have 10–14 day lead times versus 3–5 days for domestic competitors [93]
  • Buyers with curved staircases on strict budgets; custom curves start at $10,800 [94]
  • Buyers who want DIY installation to save costs [95]

When Another Option May Be Better

  • Bruno offers comparable durability at lower base price, faster parts (3–5 days vs 10–14 days), higher capacity, and lifetime motor warranty [97]. Bruno Elan offers financing at $109.99/month [98].
  • AmeriGlide Horizon ($1,695–$2,800) and Legacy II ($2,195 with lifetime parts warranty) offer DIY installation options and lower base prices [99].
  • Savaria K2 offers an established U.S. dealer network and may undercut Stannah by $1,500–$2,000 on installed cost [97].
  • Rental options from other providers may be cheaper for temporary needs [102].

Questions to Verify Before Buying

  1. What is the all-in installed price for the exact straight model, including survey, installation, electrical work, taxes, delivery, and removal? [104]
  2. Is the quoted product a current Siena One, Siena 600, 260, or another model, and what is its U.S. model documentation? [106]
  3. Which features are standard versus paid options, especially powered swivel, retractable rail, folding footrest, and belt type? [108]
  4. Does the quote include the lifetime motor-gearbox warranty, and exactly what parts, labor, batteries, and service calls are covered? [110]
  5. Is the purchase direct from Stannah or through a distributor, and whose warranty and service contract controls? [110]
  6. What financing terms are available, including APR, fees, deposit, prepayment terms, and lender identity? [112]
  7. What are the local technician response times and after-hours service arrangements at the buyer's address? [114]
  8. What annual service is recommended, what does it cost, and how much do replacement batteries typically cost? [115]
  9. Are reconditioned or rental units available locally, and what warranty, installation, removal, and cancellation terms apply? [117]
  10. What written return or money-back policy applies to this specific U.S. order? [105]

Final AI Consensus Verdict

Stannah is a mixed fit for budget-friendly stair mobility. The AI platforms consistently agreed that Stannah offers strong warranty protection, professional installation, broad U.S. service coverage, and exceptional product longevity—all of which reduce long-term cost of ownership. However, Stannah is not the lowest-cost option for a basic straight staircase, does not publish transparent model-level pricing, and does not offer direct financing. The Siena One economy model provides a more accessible entry point, but its actual price advantage over competitors remains unverified due to quote-only pricing.

For a strictly cost-conscious household seeking the lowest installed price, competing written quotes from Bruno, AmeriGlide, Savaria, and local authorized dealers are essential before selecting Stannah. For buyers who can afford a mid-to-upper-range installed price and value warranty protection, professional fitting, and accessible service, Stannah is a defensible choice. The consensus across platforms is that Stannah works when the budget is flexible, but not when cost is the primary driver.

How This Review Was Produced

This review was produced by aggregating fit-research responses from 7 AI platforms (anthropic, deepseek, google, grok, kimi, openai, perplexity) that evaluated Stannah for the Budget-Friendly Stair Mobility use case. Each platform assessed Stannah against category criteria including base equipment price, installation cost, warranty coverage, financing availability, service network reach, standard safety features, and maintenance expectations. The research date for this study is 2026-08-13. Platform-reported research dates varied: deepseek reported 2026-04-12, while all other platforms reported 2026-08-13.

The entity ranking statistics reflect that 3 of 7 platforms named Stannah during the ranking stage, with an average rank of 5.67 and a best rank of 5. Fit ratings by platform were: anthropic (mixed), deepseek (mixed), google (good), grok (mixed), kimi (mixed), openai (mixed), perplexity (uncertain).

Methodology Limitations

  • Platform mentions count only ranking-stage nominations. All 7 platforms evaluated Stannah's fit, but only 3 named it during ranking discovery. This distinction matters because it means Stannah was not a top-tier budget recommendation for most platforms.
  • Pricing conflicts were not resolved. Published straight-stairlift price estimates ranged from $2,995 to $7,500 installed, and the $2,995 Siena One price may represent discounted or outlet pricing. Buyers should treat all published prices as estimates, not quotes.
  • Company-owned citations outnumber independent citations. Of 38 deduplicated sources, 24 are company-owned (stannah.com and affiliates) and 14 are independent. Company claims about warranty, safety features, and service coverage should not be treated as independently verified.
  • Platform-reported research dates differ from the authoritative run date. Deepseek reported a research date of 2026-04-12, while the study date is 2026-08-13. This discrepancy may affect the currency of deepseek's findings.
  • The supplied URLs were collected from platform responses and were not independently validated by the writer stage.
  • Model availability is uncertain. The current U.S. status of the Stannah 260, Siena One, and Siena naming should be confirmed directly with Stannah or an authorized dealer.
  • No platform reported personal testing or customer experience data. All findings are based on published sources and company claims.

Sources

Company-Owned Sources

  • ST 600 New Straight Stairlift | Affordable Stairlift: https://affordablestairlifts.co.uk/product/st-600-new-straight-stairlift/
  • Siena 260 a Stairlift For Curved Stairs Stairs - Stannah In The Mountain West: https://stannahinthemountainwest.com/siena/siena-260
  • Legacy II Stairlift® Indoor Stairlift with Lifetime Warranty: https://www.discountmobilityplus.com/legacy-ii-lifetime-warranty-indoor-stair-lift/
  • K2 Straight Stairlift | Best-Selling for Seniors - Savaria: https://www.savaria.com/stairlifts/products/straight-k2
  • Stannah Stairlifts - Official Website: https://www.stannah.com
  • Find Stannah Offices & Service Areas Near You: https://www.stannah.com/en-us/locations
  • Stairlift Batteries: Maintenance and Longevity Tips: https://www.stannah.com/en-us/resources/stairlift-batteries
  • Buying a Stair Lift: Top Important Features to Consider: https://www.stannah.com/en-us/resources/stairlift-features
  • Stairlift Guide: Types of Stair Lifts & Installation: https://www.stannah.com/en-us/resources/stairlifts-complete-guide
  • Stairlift Solutions for Home Accessibility and Comfort: https://www.stannah.com/en-us/stairlifts
  • How Much Does a Stair Lift Cost? Find Your Perfect Fit: https://www.stannah.com/en-us/stairlifts/stairlift-prices-and-cost
  • Stair Lift Grants and Financial Support for Home Access: https://www.stannah.com/en-us/stairlifts/stairlifts-funding-grants
  • Comfortable and Affordable Stairlift: The Siena One: https://www.stannah.com/en-us/stairlifts/stannah-siena-one
  • Stairlift Warranty: Protection for Your Stannah Stairlift: https://www.stannah.com/en-us/warranty
  • Stairlift Guide: Types of Stair Lifts & Installation - Stannah: https://www.stannah.com/resources/stairlift-guide/
  • How Much Does a Stair Lift Cost? Find Your Perfect Fit - Stannah: https://www.stannah.com/resources/stairlift-prices/
  • Stairlift Warranty: Protection for Your Stannah Stairlift: https://www.stannah.com/resources/stairlift-warranty/
  • Peace of mind home lift and stairlift service contracts | Stannah: https://www.stannah.com/servicing-aftercare/service-contracts
  • Stairlift warranty and extended warranty information | Stannah: https://www.stannah.com/servicing-aftercare/warranty
  • Comfortable and Affordable Stairlift: The Siena One - Stannah: https://www.stannah.com/stairlifts/siena-one/
  • Straight Stairlifts for Easy Access on Straight Stairs - Stannah: https://www.stannah.com/stairlifts/straight/
  • Warranty: Register Your Stairlift for Full Coverage - Stannah: https://www.stannah.com/warranty-registration/
  • Additional AI research evidence118 records
    1. AI research evidence record anthropic:c25
    2. AI research evidence record deepseek:c1
    3. AI research evidence record anthropic:c2
    4. AI research evidence record grok:c1
    5. AI research evidence record anthropic:c15
    6. AI research evidence record kimi:c1
    7. AI research evidence record google:c4
    8. AI research evidence record google:c3
    9. AI research evidence record deepseek:c1
    10. AI research evidence record anthropic:c26
    11. AI research evidence record kimi:c6
    12. AI research evidence record kimi:c7
    13. AI research evidence record openai:c4
    14. AI research evidence record google:c5
    15. AI research evidence record google:c6
    16. AI research evidence record anthropic:c6
    17. AI research evidence record anthropic:c8
    18. AI research evidence record anthropic:c7
    19. AI research evidence record openai:c2
    20. AI research evidence record openai:c6
    21. AI research evidence record openai:c7
    22. AI research evidence record anthropic:c13
    23. AI research evidence record kimi:c1
    24. AI research evidence record anthropic:c14
    25. AI research evidence record anthropic:c18
    26. AI research evidence record anthropic:c19
    27. AI research evidence record anthropic:c1
    28. AI research evidence record google:c3
    29. AI research evidence record anthropic:c2
    30. AI research evidence record anthropic:c3
    31. AI research evidence record grok:c1
    32. AI research evidence record google:c2
    33. AI research evidence record google:c1
    34. AI research evidence record openai:c1
    35. AI research evidence record openai:c2
    36. AI research evidence record openai:c5
    37. AI research evidence record anthropic:c9
    38. AI research evidence record anthropic:c10
    39. AI research evidence record openai:c4
    40. AI research evidence record grok:c3
    41. AI research evidence record kimi:c1
    42. AI research evidence record anthropic:c6
    43. AI research evidence record google:c6
    44. AI research evidence record anthropic:c8
    45. AI research evidence record anthropic:c15
    46. AI research evidence record anthropic:c14
    47. AI research evidence record openai:c11
    48. AI research evidence record perplexity:c1
    49. AI research evidence record openai:c6
    50. AI research evidence record openai:c7
    51. AI research evidence record openai:c8
    52. AI research evidence record anthropic:c13
    53. AI research evidence record anthropic:c14
    54. AI research evidence record openai:c9
    55. AI research evidence record anthropic:c16
    56. AI research evidence record kimi:c1
    57. AI research evidence record anthropic:c18
    58. AI research evidence record google:c3
    59. AI research evidence record anthropic:c1
    60. AI research evidence record anthropic:c2
    61. AI research evidence record grok:c1
    62. AI research evidence record openai:c3
    63. AI research evidence record anthropic:c4
    64. AI research evidence record anthropic:c21
    65. AI research evidence record anthropic:c5
    66. AI research evidence record google:c1
    67. AI research evidence record deepseek:c1
    68. AI research evidence record anthropic:c20
    69. AI research evidence record anthropic:c23
    70. AI research evidence record google:c7
    71. AI research evidence record anthropic:c8
    72. AI research evidence record anthropic:c24
    73. AI research evidence record anthropic:c22
    74. AI research evidence record anthropic:c6
    75. AI research evidence record anthropic:c17
    76. AI research evidence record anthropic:c9
    77. AI research evidence record anthropic:c10
    78. AI research evidence record openai:c5
    79. AI research evidence record kimi:c5
    80. AI research evidence record openai:c4
    81. AI research evidence record openai:c2
    82. AI research evidence record anthropic:c18
    83. AI research evidence record anthropic:c19
    84. AI research evidence record kimi:c1
    85. AI research evidence record anthropic:c8
    86. AI research evidence record anthropic:c11
    87. AI research evidence record anthropic:c26
    88. AI research evidence record deepseek:c1
    89. AI research evidence record openai:c3
    90. AI research evidence record openai:c2
    91. AI research evidence record anthropic:c9
    92. AI research evidence record anthropic:c10
    93. AI research evidence record anthropic:c12
    94. AI research evidence record google:c2
    95. AI research evidence record kimi:c6
    96. AI research evidence record kimi:c7
    97. AI research evidence record anthropic:c26
    98. AI research evidence record kimi:c5
    99. AI research evidence record kimi:c6
    100. AI research evidence record kimi:c7
    101. AI research evidence record kimi:c2
    102. AI research evidence record anthropic:c22
    103. AI research evidence record kimi:c8
    104. AI research evidence record openai:c1
    105. AI research evidence record openai:c2
    106. AI research evidence record openai:c11
    107. AI research evidence record anthropic:c14
    108. AI research evidence record openai:c6
    109. AI research evidence record openai:c7
    110. AI research evidence record openai:c4
    111. AI research evidence record google:c5
    112. AI research evidence record anthropic:c9
    113. AI research evidence record anthropic:c10
    114. AI research evidence record openai:c10
    115. AI research evidence record openai:c8
    116. AI research evidence record openai:c9
    117. AI research evidence record anthropic:c8
    118. AI research evidence record anthropic:c22

Independent Sources

  • Stannah Stairlift Review 2026: Models, Prices & Longevity: https://allamericanstairlifts.com/brands/stannah-stairlift-review/
  • Stannah Stairlift Review 2026: Warranty, Cost & Models: https://modernize.com/stair-lifts/best-brands/stannah
  • Stannah Siena One Straight Stairlift – Thealbanyliftcompany: https://thealbanyliftcompany.com/products/copy-of-stannah-600-straight-stairlift
  • Stannah 600 Siena Straight Stairlift – Thealbanyliftcompany: https://thealbanyliftcompany.com/products/stannah-600-straight-stairlift-146-of-track
  • Stannah Siena One Straight Stairlift – Thealbanyliftcompany: https://thealbanyliftcompany.com/products/stannah-siena-one-straight-stairlift
  • Bruno Elan Straight Rail Stairlift: Affordable and Reliable Stair Access | 101 Mobility: https://www.101mobility.com/products/bruno-elan-straight-rail-stairlift/
  • Stannah Siena 260 Curved Stairlift — Thealbanyliftcompany: https://www.asaplifts.com/mobility-solutions/p/stannah-siena-260-curved-stair-lift
  • Straight staircase stairlift - Siena One - Stannah Stairlifts: https://www.medicalexpo.com/prod/stannah-stairlifts/product-104116-1043034.html
  • Stannah Stair Lifts Reviews: What to Know Before You Buy: https://www.ncoa.org/product-resources/mobility/stannah-stair-lift-review/
  • The Most Affordable Stairlift Brands of 2023: https://www.payingforseniorcare.com/best-stairlifts
  • AmeriGlide Horizon Review — AmeriGlide | SafeAtHome Guide: https://www.safeathomeguides.com/products/stairlifts/amerglide-horizon-stairlift
  • Additional AI research evidence118 records
    1. AI research evidence record anthropic:c25
    2. AI research evidence record deepseek:c1
    3. AI research evidence record anthropic:c2
    4. AI research evidence record grok:c1
    5. AI research evidence record anthropic:c15
    6. AI research evidence record kimi:c1
    7. AI research evidence record google:c4
    8. AI research evidence record google:c3
    9. AI research evidence record deepseek:c1
    10. AI research evidence record anthropic:c26
    11. AI research evidence record kimi:c6
    12. AI research evidence record kimi:c7
    13. AI research evidence record openai:c4
    14. AI research evidence record google:c5
    15. AI research evidence record google:c6
    16. AI research evidence record anthropic:c6
    17. AI research evidence record anthropic:c8
    18. AI research evidence record anthropic:c7
    19. AI research evidence record openai:c2
    20. AI research evidence record openai:c6
    21. AI research evidence record openai:c7
    22. AI research evidence record anthropic:c13
    23. AI research evidence record kimi:c1
    24. AI research evidence record anthropic:c14
    25. AI research evidence record anthropic:c18
    26. AI research evidence record anthropic:c19
    27. AI research evidence record anthropic:c1
    28. AI research evidence record google:c3
    29. AI research evidence record anthropic:c2
    30. AI research evidence record anthropic:c3
    31. AI research evidence record grok:c1
    32. AI research evidence record google:c2
    33. AI research evidence record google:c1
    34. AI research evidence record openai:c1
    35. AI research evidence record openai:c2
    36. AI research evidence record openai:c5
    37. AI research evidence record anthropic:c9
    38. AI research evidence record anthropic:c10
    39. AI research evidence record openai:c4
    40. AI research evidence record grok:c3
    41. AI research evidence record kimi:c1
    42. AI research evidence record anthropic:c6
    43. AI research evidence record google:c6
    44. AI research evidence record anthropic:c8
    45. AI research evidence record anthropic:c15
    46. AI research evidence record anthropic:c14
    47. AI research evidence record openai:c11
    48. AI research evidence record perplexity:c1
    49. AI research evidence record openai:c6
    50. AI research evidence record openai:c7
    51. AI research evidence record openai:c8
    52. AI research evidence record anthropic:c13
    53. AI research evidence record anthropic:c14
    54. AI research evidence record openai:c9
    55. AI research evidence record anthropic:c16
    56. AI research evidence record kimi:c1
    57. AI research evidence record anthropic:c18
    58. AI research evidence record google:c3
    59. AI research evidence record anthropic:c1
    60. AI research evidence record anthropic:c2
    61. AI research evidence record grok:c1
    62. AI research evidence record openai:c3
    63. AI research evidence record anthropic:c4
    64. AI research evidence record anthropic:c21
    65. AI research evidence record anthropic:c5
    66. AI research evidence record google:c1
    67. AI research evidence record deepseek:c1
    68. AI research evidence record anthropic:c20
    69. AI research evidence record anthropic:c23
    70. AI research evidence record google:c7
    71. AI research evidence record anthropic:c8
    72. AI research evidence record anthropic:c24
    73. AI research evidence record anthropic:c22
    74. AI research evidence record anthropic:c6
    75. AI research evidence record anthropic:c17
    76. AI research evidence record anthropic:c9
    77. AI research evidence record anthropic:c10
    78. AI research evidence record openai:c5
    79. AI research evidence record kimi:c5
    80. AI research evidence record openai:c4
    81. AI research evidence record openai:c2
    82. AI research evidence record anthropic:c18
    83. AI research evidence record anthropic:c19
    84. AI research evidence record kimi:c1
    85. AI research evidence record anthropic:c8
    86. AI research evidence record anthropic:c11
    87. AI research evidence record anthropic:c26
    88. AI research evidence record deepseek:c1
    89. AI research evidence record openai:c3
    90. AI research evidence record openai:c2
    91. AI research evidence record anthropic:c9
    92. AI research evidence record anthropic:c10
    93. AI research evidence record anthropic:c12
    94. AI research evidence record google:c2
    95. AI research evidence record kimi:c6
    96. AI research evidence record kimi:c7
    97. AI research evidence record anthropic:c26
    98. AI research evidence record kimi:c5
    99. AI research evidence record kimi:c6
    100. AI research evidence record kimi:c7
    101. AI research evidence record kimi:c2
    102. AI research evidence record anthropic:c22
    103. AI research evidence record kimi:c8
    104. AI research evidence record openai:c1
    105. AI research evidence record openai:c2
    106. AI research evidence record openai:c11
    107. AI research evidence record anthropic:c14
    108. AI research evidence record openai:c6
    109. AI research evidence record openai:c7
    110. AI research evidence record openai:c4
    111. AI research evidence record google:c5
    112. AI research evidence record anthropic:c9
    113. AI research evidence record anthropic:c10
    114. AI research evidence record openai:c10
    115. AI research evidence record openai:c8
    116. AI research evidence record openai:c9
    117. AI research evidence record anthropic:c8
    118. AI research evidence record anthropic:c22

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Review the study details behind this page or download the public machine-readable verification record.

Study date
Aug 13, 2026
Platforms analyzed
7
Source records
38
Ranking mentions
3 of 7
Platform share
43%
Final consensus rank
#5

Research trail and source mix

Platforms

openai, anthropic, deepseek, grok, perplexity, kimi, google

Source mix

14 independent · 24 company-owned

Evidence support

32 direct · 6 partial

Important limitation

Use the run research_date as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.

Source snapshot SHA-256 051f67a7a41efbb0c72630617b163f2316d654cd7dff53af56fef837d6b48a4d