AI Consensus Fit Review

AmeriGlide Cardinal Indoor Straight Stairlift Review for Seniors With Arthritis

The AmeriGlide Cardinal Indoor Straight Stairlift is a qualified fit for arthritis-friendly controls and seating, not a confirmed best-in-class option.

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Answer Capsule

The AmeriGlide Cardinal Indoor Straight Stairlift is a qualified fit for arthritis-friendly controls and seating, not a confirmed best-in-class option. Five of seven platforms named it during the ranking stage (71.4% of included platform responses), at an average listed rank of 7.0 and a best listed rank of 5. Its strongest arthritis-relevant case is a low advertised price combined with two standard remote controls, padded seating, soft start/stop, and an optional powered swivel seat. The main limitation is that the standard control is a constant-pressure switch that must be held throughout the ride, and the powered swivel seat's price, activation method, and warranty coverage are not published. Buyers with significant hand arthritis should verify control force and swivel operation before purchase.

Research Snapshot

FieldFinding
Platform mentions in ranking stage5 of 7 included platforms (anthropic, deepseek, grok, kimi, openai)
Share of included platform responses71.4%
Average listed rank7.0
Best listed rank5
Relevant product/model/planCardinal Indoor Straight Stair Lift with optional powered swivel seat
Overall use-case fitQualified fit — good per openai, grok, and perplexity; mixed per anthropic, deepseek, and google; uncertain per kimi
Research date2026-09-27

What Changed Since August 2026

AmeriGlide Cardinal Indoor Straight Stairlift remained at No. 5, and platform mentions increased from 3 to 5. The September 2026 review keeps the same buyer-facing case for the AmeriGlide Cardinal Indoor Straight Stairlift but rewrites how that case is framed. The configuration most relevant to arthritis-friendly seating is unchanged, with the optional powered swivel seat still the key upgrade, and the standard control still requiring continuous pressure. Pricing evidence shifts: a $225 shipping fee is newly reported, while the $1,999 to $2,095 starting range is no longer repeated. Newly reported track lengths of 14.75 feet standard and 22.15 feet maximum clarify straight-run fit; the previously noted two-year warranty figure is no longer repeated. Buyers should still verify installed cost, swivel pricing, and warranty terms. Differences between the two editions reflect what each article reports; they do not by themselves prove that the product, service, or price changed.

The August 2026 review preserves the earlier article for reference.

Why AmeriGlide Cardinal Indoor Straight Stairlift Qualified for This Study

Questions This Section Answers

  • Why did AmeriGlide Cardinal Indoor Straight Stairlift qualify for an arthritis-friendly controls and seating review?
  • How many AI platforms named AmeriGlide Cardinal Indoor Straight Stairlift during the ranking stage?

The Cardinal qualified because it cleared the study's minimum-mentions threshold and appeared on five of seven included platforms during ranking discovery, a 71.4% share of included platform responses. It was named by anthropic, deepseek, grok, kimi, and openai, with listed ranks of 10, 7, 5, 8, and 5 respectively — an average listed rank of 7.0 and a best listed rank of 5.

Qualification reflects repeated naming, not verified product quality. The platforms that named it also recommended sibling AmeriGlide models for the same use case, including the AmeriGlide Horizon Straight Stairlift, AmeriGlide Liberty, AmeriGlide Rave 2, and the Rave 2 with rocker controls. That pattern suggests the Cardinal was included as one option in a family of AmeriGlide straight stairlifts rather than as a standout arthritis-specific design.

The study's category criteria were joystick or button ease of use, seat height, swivel seat operation, armrest comfort, footrest controls, ride smoothness, remote control availability, and warranty terms. The Cardinal has documented answers for some of these and no public answer for others, which is the central finding of this review.

The Product, Model, Plan, or Service Most Relevant to Arthritis-Friendly Controls & Seating

Questions This Section Answers

  • Which AmeriGlide Cardinal Indoor Straight Stairlift configuration is most relevant for a senior with arthritis in the hands, hips, knees, or back?
  • Is the powered swivel seat on the AmeriGlide Cardinal Indoor Straight Stairlift standard or an optional upgrade?

The relevant configuration is the Cardinal Indoor Straight Stair Lift with the optional powered swivel seat. Every platform that named a specific configuration pointed to that combination, and the standard unit ships with a manual swivel seat instead [1].

The Cardinal is a straight-run indoor stairlift. Published specifications include a 275-pound capacity, a 22-inch footprint in use, a 12-inch footprint when parked, and a standard track length of 14.75 feet with an optional maximum of 22.15 feet [1]. It is not self-installable according to the product page, and basic installation is not included [1].

For this use case, the powered swivel seat is the single most consequential option, because it addresses the transfer motion that stresses hips, knees, and back. The problem is that its price, activation method, rotation range, and availability are not published on the reviewed product page [1]. One platform reported that the powered swivel seat appears in configuration options without a displayed price, while the manual swivel is listed at $0.00 as standard [4].

What the AI Platforms Agreed About

Questions This Section Answers

  • What do AI platforms agree the AmeriGlide Cardinal Indoor Straight Stairlift does well for arthritis-friendly controls and seating?
  • Does the AmeriGlide Cardinal Indoor Straight Stairlift include remote controls as standard for a senior with arthritis?

Platforms broadly agreed on four points, though the strength of agreement varied by claim.

Remote controls are standard. Multiple platforms reported two wireless call/send remote controls included with the Cardinal [5]. This was the most consistently supported arthritis-relevant feature, because it lets a user summon the lift without operating the armrest control at the landing.

Padded seating and soft start/stop are documented. The Cardinal brochure describes a padded seat and backrest, soft start/stop, and standard remote controls [9]. AmeriGlide describes soft start/stop operation and a smooth ride [9]. That smoothness language is a company claim; no independent ride testing was identified.

A swivel seat exists, with manual operation standard. The product page lists a swivel seat with manual rotation and an optional powered swivel rotation [7]. One product sheet describes a gentle turn of the seat handle to swivel to the landing [10].

The advertised price is low for a straight stairlift. AmeriGlide lists the Cardinal at $1,999, with straight-stair installation advertised from as low as $199 [11]. A public straight stair lift page shows $1,999 plus shipping [12].

Agreement across platforms does not establish product quality. Most of these claims trace back to AmeriGlide's own materials, and company-owned citations materially outnumber independent ones in this evidence set.

Where the AI Platforms Disagreed or Were Uncertain

Questions This Section Answers

  • Do AI platforms disagree about whether the AmeriGlide Cardinal Indoor Straight Stairlift is a good fit for arthritis-friendly controls?
  • Is the AmeriGlide Cardinal Indoor Straight Stairlift's control type confirmed as a joystick, rocker, or toggle switch?

Fit ratings split. OpenAI, Grok, and Perplexity rated the Cardinal a good fit. Anthropic, DeepSeek, and Google rated it mixed. Kimi rated it uncertain after failing to retrieve product-specific documentation for the model at all (kimi:search_failure_1).

Control type is the sharpest unresolved conflict. Anthropic reported a manual toggle-switch directional control requiring continuous pressure, located on the armrest end [13]. Google described a constant-pressure rocker control on the armrest that must be held down continuously [14]. OpenAI described constant-pressure controls without specifying whether the control is a joystick, button, or rocker [15]. DeepSeek stated the available sources do not clearly specify whether the Cardinal uses a joystick, rocker switch, or buttons [16]. These descriptions are not identical, and no platform published a measured operating force.

Seat height is undocumented. OpenAI reported a 15-inch seat depth but no seat height, seat-height adjustment, or transfer height [15]. Anthropic reported no seat height specification and no documented adjustability [17]. Perplexity found no verified seat-height measurement or ergonomic fit data [18]. DeepSeek found no verified seat height at all [16].

Warranty terms conflict. The Cardinal product page lists a two-year warranty [15]. AmeriGlide warranty pages describe two years for component parts and drive train and 30 days for batteries, with warranty return shipping paid by the purchaser [19]. One independent review source stated new AmeriGlide stairlifts carry a two-year parts warranty and a five-year drive-train warranty [21], which does not match the two-year drive-train language elsewhere. Anthropic reported the two-year warranty excludes labor [22]. The reviewed public materials did not clearly identify Cardinal-specific exclusions or whether the optional powered swivel seat carries identical coverage [15].

Pricing presentation conflicts. AmeriGlide's public listings show both a specific $1,999 price and a call-for-price presentation, so the final delivered price should be confirmed [15]. Anthropic reported a $225 shipping fee, a $144 colored-seat upgrade, $182 per additional remote, and $64 per adjustable foot [23]. Google reported professional installation typically $500 to $600 because self-installation is not permitted on this model [14], while AmeriGlide advertises straight-stair installation from as low as $199 [24]. DeepSeek and Kimi verified no pricing at all [16].

Return policy is unclear. One distributor states returns are not accepted, and it is unclear whether that is AmeriGlide policy or distributor-specific [22]. Google reported stairlifts are generally returnable within five days of receipt with restocking fees and buyer-paid return shipping [14]. These accounts do not reconcile.

Use-Case-Specific Features and Capabilities

Questions This Section Answers

  • Which arthritis-friendly features does the AmeriGlide Cardinal Indoor Straight Stairlift actually document, and which are unverified?
  • Does the AmeriGlide Cardinal Indoor Straight Stairlift have a powered footrest or adjustable seat height for arthritis?

The Cardinal documents several arthritis-relevant features and leaves several others unverified. The table below separates the two.

CriterionFindingAssessment
Joystick/button ease of useConstant-pressure controls; brochure describes ergonomic controls and left- or right-handed control positioning; operating force not published [25]Advantage, with unverified force
Seat height15-inch seat depth published; seat height and adjustability not stated [25]Unclear
Swivel seat operationManual swivel standard via handle or lever; powered swivel optional, price and activation unpublished [25]Advantage with conditions
Armrest comfortFlip-up armrests and padded seat and backrest listed; dimensions and padding thickness unspecified [25]Neutral
Footrest controlsFolding footrest with footrest safety sensor; no powered footrest verified [29]Neutral to limitation
Ride smoothnessSoft start/stop described by AmeriGlide; no independent testing identified [31]Company claim
Remote control availabilityTwo remote controls supplied as standard [25]Advantage
WarrantyTwo-year warranty listed; exclusions, labor, and powered-seat coverage unclear [25]Advantage with gaps

Two safety features are documented in the installation guide: a footrest safety switch and a seat-swivel safety switch [29]. Anthropic also reported footrest safety sensors that stop the lift if obstacles are encountered [27].

The practical implication for a buyer with hand arthritis is that the Cardinal's ease-of-use case rests on remote controls and reversible control positioning, not on a documented low-force control. For a buyer with hip, knee, or back arthritis, the case rests on the optional powered swivel seat, whose cost and operation are unpublished.

Pricing, Fees, Contracts, and Ongoing Costs

Questions This Section Answers

  • How much does the AmeriGlide Cardinal Indoor Straight Stairlift cost, and what does the powered swivel seat add?
  • What shipping, installation, and restocking fees apply to the AmeriGlide Cardinal Indoor Straight Stairlift?

The advertised base price is $1,999, but the delivered and installed total is not published for this configuration. Pricing confidence across platforms ranged from high to low, which reflects how much each platform could verify rather than a settled number.

Cost itemReported amountSource strength
Base product price$1,999Multiple platforms [34]
Shipping$225 reported by one platform; shipping shown separately on listingsPlatform-reported [37]
Straight-stair installationAdvertised from as low as $199Company claim [34]
Professional installation$500 to $600 reported by one platformPlatform-reported [39]
Colored seat upgrade$144Platform-reported [37]
Additional remote control$182 eachPlatform-reported [37]
Adjustable feet$64 eachPlatform-reported [37]
Powered swivel seatNot publishedUnverified [38]

AmeriGlide advertises a best-price policy with conditions, including a ten-day period for some post-purchase claims; applicability to this exact configuration should be confirmed [38]. AmeriGlide's terms page states that curved stairlift installation is included in the price and those lifts are not self-installable, while straight stairlift installation can cost as low as $199 when requested at purchase (official:C2).

Warranty economics matter for total cost of ownership. AmeriGlide warranty materials state coverage applies to the original purchaser and is non-transferable, is limited to defects in material or workmanship, excludes misuse and unauthorized modification, and requires installation, maintenance, and service by an authorized dealer or agent [40]. Warranty return shipping is paid by the purchaser [40]. No product-specific cancellation or return terms were verified in the reviewed Cardinal materials [38].

Best Suited For

Questions This Section Answers

  • Who is the AmeriGlide Cardinal Indoor Straight Stairlift best suited for among seniors with arthritis?
  • Is the AmeriGlide Cardinal Indoor Straight Stairlift a good choice for a senior with mild hand arthritis on a budget?

The Cardinal is best suited to budget-conscious buyers with mild hand arthritis who can operate a constant-pressure control, and to buyers whose primary arthritis concerns are hip, knee, or back related and who confirm the powered swivel seat upgrade.

Platforms converged on a similar profile. OpenAI described the best fit as seniors with mild-to-moderate hand arthritis who can operate a constant-pressure control, users who need remote calling controls and a swivel seat to reduce twisting during transfers, and straight indoor staircases where compact folded dimensions and a relatively low advertised price matter [42]. Anthropic described budget-conscious buyers with mild hand arthritis who can tolerate continuous toggle-switch operation, or those whose primary arthritis concerns are hip, knee, or back related and who would add the powered swivel seat [43]. Google described budget-focused buyers seeking a straight indoor stairlift, seniors who can upgrade to the optional powered swivel seat, and users who want wireless remote controls included as standard [44].

The common thread is a buyer who values price and remote convenience, has a straight indoor staircase, and can either tolerate a held control or verify a powered alternative.

Probably Not Best Suited For

Questions This Section Answers

  • Who should not choose the AmeriGlide Cardinal Indoor Straight Stairlift for arthritis-friendly controls and seating?
  • Is the AmeriGlide Cardinal Indoor Straight Stairlift suitable for a senior with severe hand arthritis?

Buyers with moderate-to-severe hand arthritis, buyers who need a verified adjustable seat height, and buyers who need a powered footrest should look elsewhere or verify extensively before committing.

Anthropic stated the Cardinal is probably not best for seniors with moderate-to-severe hand arthritis requiring minimal hand grip or pressure, those seeking joystick or rocker controls as standard, buyers needing comfort-focused alternatives with premium ergonomic controls, and users wanting ride smoothness prioritized over budget [45]. OpenAI stated it is probably not best for users unable to maintain pressure on a control or who need fully automatic operation, users who cannot manually operate the standard swivel seat and do not confirm the powered option, and buyers needing a verified adjustable seat height, extra-wide seating, or stronger postural support than published specifications provide [46]. Google stated it is probably not best for seniors with severe hand or wrist arthritis who find holding constant-pressure rocker switches painful, seniors with severe hip, knee, or back arthritis who cannot operate a manual swivel seat without paying for the powered upgrade, and seniors who need a power-folding footrest to avoid bending down [47].

Two structural limits apply regardless of arthritis severity. The Cardinal is limited to straight indoor staircases, and the 275-pound capacity may exclude some users depending on body weight and clothing or equipment [46].

When Another Option May Be Better

Questions This Section Answers

  • What is a better alternative to the AmeriGlide Cardinal Indoor Straight Stairlift for a buyer who needs documented low-force controls?
  • When should a buyer choose a different AmeriGlide model or a curved stairlift instead of the Cardinal?

Another option may be better in four situations: when a documented low-force or joystick control is required, when a powered swivel must be standard rather than optional, when the staircase is not straight, and when independent ergonomic evidence is a purchase condition.

Platforms named specific alternatives. Anthropic pointed to the AmeriGlide Horizon and the Rave 2 with rocker controls for buyers prioritizing joystick or rocker controls, and noted that some competitors offer three- to five-year warranty coverage versus the Cardinal's two years [48]. OpenAI suggested considering the AmeriGlide Rave 2 with rocker controls when a rocker-style control is the priority, a model with more explicitly documented powered swivel or adjustable seating when hip, knee, or back limitations make transfers particularly difficult, and a curved-stair solution rather than any straight stairlift when the staircase has turns, intermediate landings, or non-linear geometry [49]. DeepSeek suggested comparing models whose control type is explicitly stated by the manufacturer when severe hand arthritis requires a documented joystick, large-button, or low-force control [50]. Kimi named Stannah, Bruno, and Acorn as alternative manufacturers with published specifications and verified independent reviews, while noting that this comparison was made without retrieved Cardinal documentation (kimi:search_failure_1).

For buyers who need a fully installed turnkey solution with known all-in pricing, a local dealer quote may be more useful than relying on unverified online pricing [50].

Questions to Verify Before Buying

Questions This Section Answers

  • What should a buyer confirm with AmeriGlide before signing a contract for the Cardinal Indoor Straight Stairlift?
  • What specifications must be verified before buying the AmeriGlide Cardinal Indoor Straight Stairlift for arthritis?

Verify these items directly with AmeriGlide or an authorized dealer, because the public record does not answer them.

Control and operation. What exact control type does the Cardinal use — joystick, rocker, toggle, or buttons — and how much force is required to operate it [51]? Can the buyer choose left- or right-handed control placement, and can the control be operated with a weak grip or limited finger motion [53]? Can rocker controls be installed as an aftermarket upgrade [54]?

Seating and transfer. What are the seat height, seat-to-footrest dimensions, armrest height, and available adjustments [53]? Is the seat height fixed or adjustable post-installation [54]? Are the armrests padded, adjustable, or removable, and what is the clear space between them [51]?

Swivel and footrest. What is the exact surcharge and lead time for the powered swivel seat, and is it available for the quoted configuration [53]? Does the powered swivel operate with a large button, rocker, remote, or another control, and what force is required [53]? Is a powered or adjustable footrest available, and can it be operated without bending down [53]?

Warranty and service. What are the complete warranty terms, including labor, batteries, remote controls, powered swivel components, exclusions, and service response [53]? Does the two-year warranty cover labor or only parts [54]? Is the warranty transferable [54]? Is there a local dealer or service technician available for maintenance and repairs [51]?

Cost and terms. What is the total installed price, including shipping, labor, tax, removal, and any site-specific modifications [55]? What are the exact return, cancellation, and restocking costs, and does AmeriGlide accept returns within 30 days for any reason [54]?

Fit and trial. Will the staircase dimensions, landing clearance, user weight, and transfer side work with the selected seat and rail configuration [53]? Can the buyer test the control, swivel, seat height, armrests, and transfer motion before purchase or during an in-home assessment [53]?

Final AI Consensus Verdict

The AmeriGlide Cardinal Indoor Straight Stairlift is a qualified fit for arthritis-friendly controls and seating, with verification conditions that materially affect the decision. Five of seven included platforms named it during ranking, at an average listed rank of 7.0 and a best listed rank of 5. Fit ratings split three good, three mixed, and one uncertain.

The strongest reason to consider it is the combination of a low advertised price, two standard remote controls, padded seating, soft start/stop, reversible control positioning, and an optional powered swivel seat that directly addresses transfer effort for hip, knee, and back arthritis. The main limitation is that the standard control requires continuous pressure, the standard swivel is manual, and the powered swivel's price, activation method, and warranty coverage are unpublished. Seat height, armrest dimensions, footrest adjustability, and operating force are also undocumented.

Buyers with mild hand arthritis who can hold a control, or whose arthritis is primarily lower-body and who confirm the powered swivel upgrade, have a reasonable case for the Cardinal. Buyers with moderate-to-severe hand arthritis, or who need verified seat height and powered footrest operation, should compare the AmeriGlide Rave 2 with rocker controls, the Horizon, or another manufacturer with published ergonomic specifications before committing.

How This Review Was Produced

This review evaluates the AmeriGlide Cardinal Indoor Straight Stairlift only for the Arthritis-Friendly Controls & Seating use case within the broader Arthritis-Friendly Controls & Seating study. It is not a broad company review of AmeriGlide.

Seven AI platforms were configured for the study, and five named the Cardinal during ranking discovery. Each platform supplied fit-research responses covering the study's category criteria, pricing and terms, limitations, alternatives, and verification questions. Those responses were synthesized into the sections above, with platform-level agreement described as unanimous, strong, majority, mixed, or limited based on the supplied responses.

The study also sits within a wider stairlifts category directory covering related buying guides.

Methodology Limitations

Several limitations apply to every finding in this review.

Company-owned evidence dominates. Company-owned citations materially outnumber independent citations in this evidence set. Most product specifications trace to AmeriGlide's own pages, brochures, and manuals. Company claims are not independently verified, and platform agreement on a company claim does not make it independent evidence.

No arthritis-specific testing exists in the record. No independent evidence was identified for arthritis-specific comfort, control force, transfer outcomes, or long-term reliability [56]. No documented testing of the Cardinal with arthritis patients or occupational therapy validation was found [57]. No independent clinical, ergonomic, or arthritis-focused testing of the Cardinal controls or seating was found [58].

Platform research dates differ from the study date. The authoritative run research date is 2026-09-27. Platform-reported dates are provenance metadata and do not independently prove freshness. Anthropic reported 2025-01-23 and DeepSeek reported 2026-06-01, both earlier than the run date. Google, Grok, Kimi, OpenAI, and Perplexity reported 2026-09-27.

One platform retrieved no product documentation. Kimi reported that no product page, specification sheet, or independent review for the Cardinal was found in search results, and that the official AmeriGlide website was referenced but not successfully retrieved (kimi:search_failure_1). Kimi also noted it is unclear whether the Cardinal is a current model, discontinued model, regional variant, or naming variation. That uncertainty is preserved rather than resolved.

DeepSeek ran without search enabled. DeepSeek's research capability record shows search disabled, so its findings are platform-reported reasoning over supplied ranking context rather than retrieved evidence [58].

Supplied URLs were not independently validated. The URLs in this review were collected from platform responses and were not independently validated by the writer stage.

Conflicts were not resolved by guessing. Where platforms disagreed on control type, warranty duration, pricing presentation, and return policy, this review describes the conflict and identifies what the buyer should verify.

See the broader Seniors With Arthritis consensus index for comparisons across qualified options.

Sources

Company-Owned Sources

Independent Sources

  • Web search results for best stairlifts and seating solutions for seniors with arthritis: https://mobilitywithease.com/seating-solutions-for-seniors-with-arthritis/
  • AmeriGlide Reviews: Written By Customers: https://www.consumeraffairs.com/homeowners/ameriglide.html
  • AMERIGLIDE RAVE 2 INSTALLATION MANUAL Pdf Download: https://www.manualslib.com/
  • AmeriGlide Stair Lift Review: https://www.retirementliving.com/
  • Best Arthritis-Friendly Stairlifts for Low-Effort Controls: Six-AI Ranking: https://www.youtube.com/watch?v=S-tX44h-bQc
  • Additional AI research evidence58 records
    1. AI research evidence record openai:c1
    2. AI research evidence record anthropic:c1
    3. AI research evidence record perplexity:c1
    4. AI research evidence record anthropic:c3
    5. AI research evidence record openai:c1
    6. AI research evidence record anthropic:c1
    7. AI research evidence record perplexity:c1
    8. AI research evidence record grok:web:1
    9. AI research evidence record openai:c3
    10. AI research evidence record perplexity:c2
    11. AI research evidence record openai:c5
    12. AI research evidence record perplexity:c8
    13. AI research evidence record anthropic:c2
    14. AI research evidence record google:1.1.9
    15. AI research evidence record openai:c1
    16. AI research evidence record deepseek:c1
    17. AI research evidence record anthropic:c4
    18. AI research evidence record perplexity:c1
    19. AI research evidence record perplexity:c5
    20. AI research evidence record perplexity:c4
    21. AI research evidence record google:4.2.2
    22. AI research evidence record anthropic:c5
    23. AI research evidence record anthropic:c3
    24. AI research evidence record openai:c5
    25. AI research evidence record openai:c1
    26. AI research evidence record openai:c2
    27. AI research evidence record anthropic:c4
    28. AI research evidence record anthropic:c3
    29. AI research evidence record openai:c4
    30. AI research evidence record anthropic:c2
    31. AI research evidence record openai:c3
    32. AI research evidence record anthropic:c1
    33. AI research evidence record perplexity:c5
    34. AI research evidence record openai:c5
    35. AI research evidence record anthropic:c1
    36. AI research evidence record perplexity:c8
    37. AI research evidence record anthropic:c3
    38. AI research evidence record openai:c1
    39. AI research evidence record google:1.1.9
    40. AI research evidence record perplexity:c5
    41. AI research evidence record perplexity:c6
    42. AI research evidence record openai:c1
    43. AI research evidence record anthropic:c1
    44. AI research evidence record google:1.1.9
    45. AI research evidence record anthropic:c1
    46. AI research evidence record openai:c1
    47. AI research evidence record google:1.1.9
    48. AI research evidence record anthropic:c1
    49. AI research evidence record openai:c1
    50. AI research evidence record deepseek:c1
    51. AI research evidence record deepseek:c1
    52. AI research evidence record anthropic:c2
    53. AI research evidence record openai:c1
    54. AI research evidence record anthropic:c1
    55. AI research evidence record perplexity:c1
    56. AI research evidence record openai:c1
    57. AI research evidence record anthropic:c1
    58. AI research evidence record deepseek:c1

Verify This Research

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

Study date
September 27, 2026
Platforms analyzed
7
Source records
21
Ranking mentions
5 of 7
Platform share
71%
Final consensus rank
#5

Research trail and source mix

Configured platforms

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

Source mix

7 independent · 14 company-owned

Evidence support

13 direct · 8 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 98668c04c7a2616a4945ac47c140775fbce7c28bc6dd18ec3210e59dde298f23

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