AI Consensus Fit Review

Acorn Stairlifts Review for Split-Level Homes

Acorn stairlifts is a good, but quote-dependent, fit for split-level and short-run staircases.

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Answer Capsule

Acorn stairlifts is a good, but quote-dependent, fit for split-level and short-run staircases. Four of the seven platforms in this study named Acorn during the ranking stage, and all seven evaluated its fit for this use case. The strongest reason to consider Acorn is its two-path product line: the Acorn 130 straight stairlift for individual half-flights and the Acorn 180 curved stairlift with the FastTrack modular rail for turns, intermediate landings, and multiple half-flights. The main limitation is low public price transparency. Acorn does not publish standard U.S. installed prices, so buyers cannot compare total installed cost without an in-home survey and an itemized written quote.

Research Snapshot

FieldFinding
Platform mentions in ranking stage4 of 7 platforms (deepseek, google, openai, perplexity)
Share of included platform responses57.1%
Average listed rank4.0
Best listed rank3 (deepseek, perplexity)
Relevant product/model/planAcorn 130 straight stairlift; Acorn 180 Curved Stairlift with FastTrack modular rail, hinged rail, and landing or parking configuration where the site survey confirms suitability
Overall use-case fitGood, but quote-dependent
Research date2026-09-27

What Changed Since August 2026

Acorn Stairlifts moved down from No. 4 to No. 5, and platform mentions were unchanged at 4. The September 2026 review shifts Acorn Stairlifts toward a straighter split-level story. The current edition leads with a clear two-path lineup: the Acorn 130 for a single straight half-flight and the Acorn 180 with the FastTrack modular rail for turns and intermediate landings. Buyer fit stayed quote-dependent, and the recommended configuration did not change. Reported installed planning ranges now include curved work around $8,000-$15,000. A previously repeated straight-install range of $2,500–$3,500 is no longer repeated. The review also notes expected installation times of 1-2 hours for straight and 4-5 hours for curved. 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 Acorn Stairlifts Qualified for This Study

Questions This Section Answers

  • Is Acorn Stairlifts a good choice for split-level homes with short stair runs?
  • How many AI platforms named Acorn Stairlifts for split-level and short-run staircases?

Acorn qualified because it was named by four of the seven platforms during ranking discovery and because all seven platforms evaluated its fit for split-level and short-run staircases. The platform mentions count only the platforms that named Acorn during ranking discovery; it does not count the platforms that evaluated fit without naming it in a ranked list.

The fit ratings were not unanimous. Five platforms rated Acorn a good fit for this use case, while deepseek and perplexity rated it a mixed fit [1]. The disagreement centered on the same issue: Acorn's product line can serve split-level layouts, but the company does not publish the short-run dimensions, landing clearances, or installed prices a buyer needs to judge value before a survey.

Acorn's relevance to this use case rests on two products. The Acorn 130 is a straight-stairlift model, and Acorn states that many stairlift rails can be shortened by an approved technician [1]. The Acorn 180 is a curved model that Acorn describes as using FastTrack, a modular rail system built from interlocking sections that follows bends, curves, and lengths of staircases [5]. Together, these two products give Acorn a pathway for both single straight half-flights and multi-landing layouts.

The Product, Model, Plan, or Service Most Relevant to Split-Level & Short-Run Staircases

Questions This Section Answers

  • Which Acorn Stairlifts model should a buyer choose for a single straight half-flight versus a split-level layout with turns?
  • Does the Acorn 180 Curved Stairlift with FastTrack work for multiple half-flights and intermediate landings?

The Acorn 180 Curved Stairlift with the FastTrack modular rail is the most relevant Acorn product for split-level and short-run staircases, with the Acorn 130 straight stairlift as the relevant option for a single straight half-flight.

Acorn describes FastTrack as a modular rail system that uses interlocking sections to follow bends, curves, and lengths of staircases [6]. Acorn also states that FastTrack can be assembled on site, attaches to the stairs rather than the wall, and supports rapid installation [7]. One platform reported that the Acorn 180 is designed for staircases with bends, corners, half-landings, and spirals and operates as a single continuous journey without manual transfer at turns (anthropic:acorn_curved_spec_2).

The Acorn 130 is the straight-stairlift option. Acorn's 130 page lists an optional hinged rail and describes it as intended to avoid obstruction or trip hazards at the foot of the stairs [8]. One platform reported that the Acorn 130 rail can be cut to very short lengths, making it workable for 3-4 step minimums typical in Split-Level Homes (kimi:StairliftResource_splitlevel). That minimum-step figure is platform-reported and was not confirmed in Acorn's own retrieved material.

The recommended product wording differed across platforms. Some platforms named the Acorn 130 straight stairlift, others named the Acorn 180 curved stairlift, and others described the 180 with FastTrack, a hinged rail, or a custom landing or parking configuration [9]. The exact rail, parking, and hinge options are site-dependent and were not verified for any particular home.

What the AI Platforms Agreed About

Questions This Section Answers

  • What do AI platforms agree on about Acorn Stairlifts for split-level and short-run staircases?
  • Is Acorn Stairlifts suitable for staircases with turns and intermediate landings?

The platforms agreed on four points: Acorn offers both a straight and a curved product path, the FastTrack modular rail is relevant to turns and multiple landings, the hinged rail option addresses bottom-of-stairs obstruction, and Acorn does not publish standard U.S. installed prices.

On the product path, the platforms consistently identified the Acorn 130 for straight runs and the Acorn 180 for curved or multi-landing layouts [13]. This was the strongest area of agreement in the study.

On rail customization, Acorn states that FastTrack is assembled from interlocking sections and adapted to bends, curves, and lengths [17]. One platform reported that the Acorn 180 uses a custom modular FastTrack rail and that Acorn also markets a single-rail FastTrack system supporting custom routing on multi-landing stairs [18]. Another platform reported that the Acorn 180 curved model is custom-made to the staircase [19].

On landing clearance, Acorn states approximate width requirements of 26 inches for the 130 and 27.5 inches for the 180 [20]. Acorn also states that its hinged rail option is designed to remove an obstruction or trip hazard at the foot of the stairs [21]. One platform reported that the Acorn 180 supports custom parking positions around corners and half-landings (anthropic:acorn_curved_spec_2).

On pricing, the platforms agreed that Acorn routes buyers to a free in-home survey and quote rather than publishing standard prices [22]. Acorn publicly describes the survey and quote as free and no-obligation [25].

Where the AI Platforms Disagreed or Were Uncertain

Questions This Section Answers

  • Do AI platforms disagree about Acorn Stairlifts pricing, warranty, and weight capacity for split-level homes?
  • What is still unverified about the Acorn 180 Curved Stairlift for short-run and multi-landing layouts?

The platforms disagreed or were uncertain on weight capacity, warranty terms, installed cost, and whether one curved lift or multiple straight lifts is the better layout.

On weight capacity, one platform reported the Acorn 180 curved lift as rated to approximately 264 pounds or 120 kilograms [26]. Another platform reported 265 pounds or 120 kilograms for the same model (anthropic:acorn_curved_spec_1). A third platform reported that Acorn's FAQ page lists maximum load capacities for the 130 and 180 models [27]. The official material retrieved for this study did not clearly establish the U.S.-specific 180 weight limit, so the applicable capacity and any conditions should be confirmed in writing before purchase.

On warranty, independent review reporting gives an approximate 12-month warranty [28]. One platform reported a standard 12-month manufacturer's guarantee (google:modernize_review). Another platform reported that warranty terms for curved versus straight models, battery replacement, and parts coverage are not publicly documented (anthropic:acorn_curved_spec_1). The exact U.S. warranty, service-plan pricing, battery replacement cost, and post-warranty labor rates were not verified from an official contract in the sources checked.

On installed cost, independent 2026 reporting gives approximate straight and curved installed planning ranges [29]. One platform reported straight installations at $3,000-$5,000 and curved installations at $8,000-$15,000 or more [30]. Another independent report gives $3,000-$15,000 as a company-attributed range but does not clarify whether installation is included [26]. These are planning ranges, not guaranteed Acorn prices.

On layout, one platform reported that Acorn's published product line covers straight and curved single-staircase lifts and that no reviewed Acorn product is described as serving multiple separate half-flights in one system, so a split-level owner may need more than one lift [31]. Another platform reported that the Acorn 180 can handle turns and mid-landings, enabling continuous travel without transfers where flights connect geometrically (kimi:StairliftResource_splitlevel). These findings are not necessarily contradictory, but they point to a layout decision the buyer must resolve during the survey.

Use-Case-Specific Features and Capabilities

Questions This Section Answers

  • What features does the Acorn 180 Curved Stairlift offer for landing clearance and transfer safety on split-level stairs?
  • How fast is Acorn Stairlifts installation for straight versus curved staircases?

Acorn's most relevant capabilities for this use case are the FastTrack modular rail, the hinged rail option, the swivel seat, and stair-mounted installation that avoids wall drilling.

On short-run compatibility, Acorn states that many stairlift rails can be shortened by an approved technician [33]. One platform reported that the Acorn 130 rail can be cut to very short lengths for 3-4 step minimums (kimi:StairliftResource_splitlevel). Another platform reported that the Acorn 130 straight model supports a maximum rail length of 10 metres (394 inches) and the Acorn 180 curved model supports up to 30 metres (1,181 inches) (anthropic:acorn_straight_spec_1, anthropic:acorn_curved_spec_1).

On landing clearance and parking, Acorn states approximate width requirements of 26 inches for the 130 and 27.5 inches for the 180 [34]. Acorn's 130 page lists an optional hinged rail intended to avoid obstruction or trip hazards at the foot of the stairs [35]. Acorn's curved-stair material also lists a hinged rail option [36]. One platform reported that the Acorn 180 supports custom parking positions around corners and half-landings and that Acorn-approved technicians can shorten curved rails and configure intermediate charge points or hinged landing positions to clear doorways (anthropic:acorn_curved_spec_2). Exact top, bottom, intermediate, and landing parking positions are not fully specified publicly.

On transfer and operating features, Acorn's curved-stair material lists a backup battery, diagnostic display, remote control, seat belt, folding footrest, swivel operation, and optional hinged rail [36]. The Acorn 180 manual shows a swivel or rotation function for positioning at a landing [37]. One platform reported a swivel seat with 45° and 88° rotation, safety interlocks on folding arms, powered hinge operation for intermediate parking, automatic slowdown on bends, and backup battery operation (anthropic:acorn_curved_user_manual).

On installation complexity, Acorn states that straight installation can take as little as an hour and curved installation a few hours, with next-day availability in some areas [38]. One platform reported 1-2 hours for straight and 4-5 hours for curved, with no structural changes required [39]. Another platform reported that curved models require 6-8 weeks custom build time (kimi:StairliftsInLeeds_splitlevel). The advertised next-day or within-days timing is company-reported and depends on local availability, survey approval, configuration, and parts.

Pricing, Fees, Contracts, and Ongoing Costs

Questions This Section Answers

  • How much does Acorn Stairlifts cost for a straight versus curved split-level installation?
  • What fees, warranty terms, and ongoing costs should a buyer confirm before signing an Acorn Stairlifts contract?

Acorn does not publish a verified standard U.S. list price in the sources checked, so total installed cost is unknown until the buyer receives an itemized quote.

Independent 2026 planning estimates place Acorn straight installations around $3,000-$5,000 and curved installations around $8,000-$15,000 or more [40]. A broader independent report gives $3,000-$15,000 as a company-attributed range but does not clarify whether installation is included [42]. One platform reported that Acorn says the 130 is the cheapest straight model and the 180 curved model is the most expensive due to custom modifications [43]. Another platform reported that Acorn does not publish a price list and uses in-home consultation for an exact evaluation [44].

Potential additional fees include extended warranty or service coverage, configuration-specific charges for hinged rails, additional parking arrangements, complex landings, travel, tax, battery replacement, and post-warranty repair [45]. Exact amounts were not verified. One platform reported that hinged rail or custom options add cost and that extended warranty or service plans are available [41].

On contract terms, Acorn advertises a free, no-obligation quote and survey [46]. The applicable cancellation, deposit, removal, refund, rental, and relocation terms were not verified from the sources checked [45]. One platform reported that no publicly available Acorn-specific contract or cancellation terms were found (kimi:StairliftResource_splitlevel).

On ongoing costs, independent reviews report a base warranty of about 12 months and possible extended warranty packages [48]. One platform reported that Acorn provides a standard 12-month manufacturer's warranty, which is shorter than some industry competitors who offer lifetime coverage on major drivetrain components (google:modernize_review). Battery replacement cost, maintenance obligations, and post-warranty labor rates were not verified.

Best Suited For

Questions This Section Answers

  • Who is Acorn Stairlifts best suited for in a split-level or short-run staircase installation?
  • Is Acorn Stairlifts worth it for a buyer who prioritizes fast installation and stair-mounted rails?

Acorn is best suited for split-level homeowners who have one or more straight half-flights, or multiple half-flights with turns and intermediate landings, and who are willing to complete a survey before learning the price.

The platforms identified several buyer profiles as good matches. These include split-level homes with one or more straight half-flights where separate Acorn 130 lifts may be practical, multiple half-flights with turns or intermediate landings where an Acorn 180 curved rail can follow the staircase, buyers prioritizing fast installation and stair-mounted installation without structural wall modifications, and narrow staircases that meet the stated width guidance and have adequate landing clearance [49].

One platform reported that Acorn is best considered for split-level homes with 3-4 step half-flights requiring short straight rails, users who can safely transfer between stairlifts at landings, budget-conscious buyers seeking modular per-flight solutions, and configurations with turns where a continuous curved rail avoids transfers (kimi:StairliftResource_splitlevel). Another platform reported that Acorn is best considered for homeowners needing rapid, near-next-day installation, staircases where the bottom rail must fold away automatically to clear a doorway, and buyers looking to purchase and get installation directly from the manufacturer (google:acorn_official).

Probably Not Best Suited For

Questions This Section Answers

  • Who should not choose Acorn Stairlifts for a split-level or short-run staircase?
  • Is Acorn Stairlifts a poor fit for buyers who need published prices or a heavy-duty curved lift?

Acorn is probably not the best choice for buyers who need fully published prices, very tight landings, a heavy-duty curved lift, or the strongest independently documented warranty.

The platforms identified several buyer profiles as poor matches. These include buyers requiring fully published prices, detailed online specifications, or straightforward quote comparison; very tight landings or unusual transfer areas where a fully bespoke rail or alternative seating configuration may provide more clearance; users exceeding the verified 180 model weight limit or needing a heavy-duty curved lift; and buyers seeking the strongest independently documented warranty or the lowest possible long-term service cost [52].

One platform reported that Acorn is probably not best for wheelchair users needing platform or vertical lift solutions, users with severe balance issues unable to transfer between units, 2-3 step rises where ramps or step lifts are more practical, and flights separated by long flat hallways that cannot be rail-connected (kimi:StairliftResource_splitlevel). Another platform reported that Acorn is probably not best for individuals weighing more than 265 pounds, budget-constrained buyers who cannot afford the high premium for a curved modular rail, and homeowners seeking multi-year or lifetime parts warranties included in the base price (google:acorn_official).

When Another Option May Be Better

Questions This Section Answers

  • What is a better alternative to Acorn Stairlifts for a buyer who needs published pricing or a higher-capacity curved lift?
  • When should a buyer choose two straight lifts or a different manufacturer instead of one Acorn curved lift?

Another option may be better when quote transparency, higher capacity, a longer warranty, or a fully bespoke rail matters more than Acorn's modular FastTrack approach.

The platforms identified several situations where an alternative should be evaluated. These include choosing a manufacturer or dealer with published specifications and itemized pricing when quote transparency is the main priority; comparing Bruno, Stannah, Handicare, Harmar, or another locally serviced alternative when the user needs a higher-capacity curved lift, a longer warranty, or a different seating and transfer configuration; considering two straight lifts from Acorn or another provider when separate half-flights have adequate landing space and the combined installed price is materially lower than one curved system; and using an independent assessor or obtaining multiple site surveys when the landing is narrow, the staircase has unusual geometry, or the user's transfer needs are complex [56].

One platform reported that an alternative may be better when a single lift must span multiple half-flights or unusual geometry that Acorn's survey cannot accommodate, when the buyer prioritizes published pricing over a sales-visit model, or when a very tight landing requires a compact or folding rail not confirmed by the Acorn survey [57]. Another platform reported that an alternative may be better when the user weighs over 265 pounds and requires a heavy-duty curved stairlift, when the buyer prioritizes a lifetime parts warranty over fast modular installation times, or when a continuous custom-welded single rail is preferred over interlocking modular joints for aesthetic reasons (google:acorn_official).

One platform reported that a platform stairlift or vertical platform lift may be the better path when the user cannot safely transfer between stairlifts at landings, when flights are separated by long flat areas, when the rise is only 2-3 steps, or when the user needs wheelchair access (kimi:StairliftResource_splitlevel, kimi:LevelLifts_PLK8).

Questions to Verify Before Buying

Questions This Section Answers

  • What should a buyer confirm with Acorn Stairlifts before signing a contract for a split-level installation?
  • Which measurements and quote details should be verified before authorizing an Acorn Stairlifts installation?

Before signing, a buyer should confirm the rail path, the layout choice, the exact dimensions, the quote inclusions, the capacity, the warranty, and the ongoing costs in writing.

The platforms recommended verifying the following items. Can the surveyor show the proposed rail path, seat orientation, transfer points, and parking position for every half-flight and landing? Would two Acorn 130 straight lifts be cheaper or provide better landing clearance than one Acorn 180 curved lift? What are the exact minimum stair-width, landing-depth, headroom, and door-clearance requirements for this layout? Does the quoted Acorn 180 configuration include FastTrack, hinged rail, swivel seat, intermediate parking, and all required controls? What is the confirmed U.S. weight capacity for the exact 180 model and configuration? Is installation, travel, tax, removal of existing equipment, electrical work, and cleanup included in the quote? What are the deposit, cancellation, return, relocation, rental, and removal terms? What warranty applies to the chair, motor, batteries, rail, labor, and service visits, and what is the price of extended coverage? What are expected battery, maintenance, and post-warranty repair costs, and who services the lift locally? Can the buyer obtain a written completion-time commitment rather than relying on the advertised next-day or within-days timing? Will the intended user perform a supervised transfer and trial ride before final acceptance? What alternative brands or configurations does the surveyor recommend if the landing clearance is inadequate? [58]

Additional verification items from other platforms include: what is the exact minimum stair run length supported by the 130 or 180 for this layout; can the hinged rail or FastTrack accommodate the specific landing clearances; what is the full installed quote including any custom parking or multi-flight options; what are the current warranty terms and average service response times in the area [59]. One platform recommended asking whether the specific split-level staircase will be served by the Acorn 130 straight rail or require the Acorn 180 curved FastTrack system, what exact clearance is required at the bottom landing, where the chair will park at the top and bottom landings, whether installation is included in the quoted price, and what additional charges apply for custom rail work or a hinged rail [60].

Final AI Consensus Verdict

Acorn Stairlifts is a good, but quote-dependent, fit for split-level and short-run staircases. Four of the seven platforms named Acorn during the ranking stage, and all seven evaluated its fit for this use case. Five platforms rated the fit good, and two rated it mixed.

The strongest reason to consider Acorn is its two-path product line. The Acorn 130 is appropriate for individual straight half-flights, and the Acorn 180 with FastTrack is particularly relevant when turns and multiple landings require a curved rail. Its main advantages are modular rail customization, stair-mounted installation, hinged-rail availability, and potentially fast installation.

The principal reasons not to rate it strong are low public price transparency, incomplete public detail on landing and parking limits, uncertain warranty and ongoing-cost information, and the need to verify whether one curved lift or multiple straight lifts gives the safest and most economical layout. Buyers should treat every price, capacity, and warranty figure in this review as platform-reported until Acorn confirms it in a written, itemized quote.

How This Review Was Produced

This review was produced from platform-reported research collected on 2026-09-27. Seven platforms evaluated Acorn Stairlifts for the Split-Level & Short-Run Staircases use case. Four of those platforms named Acorn during the ranking stage, and the remaining platforms evaluated fit without naming it in a ranked list.

The research combined company-owned sources, such as Acorn's product pages, installation pages, and user manual, with independent sources, including review sites and consumer review platforms. Company-owned citations materially outnumber independent citations in this study, so company claims should not be read as independently verified. Citations are platform-reported evidence, not independently verified facts.

This article evaluates Acorn Stairlifts only for split-level and short-run staircases. It is not a broad company review. For the full set of platform rankings and fit assessments across this use case, see the Split-Level & Short-Run Staircases consensus index.

Buyers comparing Acorn against other manufacturers can also review the broader stairlifts category directory.

Methodology Limitations

Several limitations apply to this review. The authoritative research date is 2026-09-27, but platform-reported research dates differ: anthropic reported 2026-01-15 and deepseek reported 2026-06-12. These platform-reported dates are provenance metadata and do not independently prove freshness.

The supplied URLs were collected from platform responses and were not independently validated by the writer stage. Official-site retrieval failed for one or more mentions during the ranking stage, and no failed fetch was used as a verified domain key. Company-name variants were collapsed onto one canonical brand before minimum-mentions qualification.

The recommended product wording includes multiple descriptions of the Acorn 180 and FastTrack configuration. The exact rail, parking, and hinge options are site-dependent and were not verified for any particular home. Acorn claims FastTrack can fit almost any staircase and enable rapid installation; these are company claims and do not guarantee suitability for every split-level layout.

Independent sources differ on price ranges, warranty details, and whether reported prices include installation. The official material retrieved did not clearly establish the U.S.-specific 180 weight limit or complete warranty terms. Customer-review evidence is mixed and may reflect service events, regional differences, or individual installation circumstances rather than product performance on this use case. Availability, terms, and quoted prices may change after the research date.

Sources

Company-Owned Sources

Independent Sources

  • Acorn Stairlift | 180 Curved Stairlift - Features and Installation: https://adaptlife.co.uk/products/acorn-stairlift-180-curved
  • Acorn Stairlift Review: Does It Live Up to the Hype?: https://millennialhawk.com/acorn-stairlift-review/
  • Acorn Stairlift Review: Cost, Models, Pros & Cons: https://modernize.com/
  • Acorn Stairlift Review 2026: Costs, Safety Features, and What to Know: https://modernize.com/stair-lifts/best-brands/acorn
  • Acorn Stairlift Review 2026: Models, Prices and Alternatives: https://steadyhomeguide.com/guides/acorn-stairlift-review-prices/
  • Acorn Stair Lift Cost Guide – Well Built Florida: https://wellbuiltflorida.com/acorn-stair-lift-cost/
  • 🇺🇸Acorn Stairlifts US Reviews: https://www.trustpilot.com/review/acornstairlifts.com
  • Additional AI research evidence60 records
    1. AI research evidence record openai:c1
    2. AI research evidence record deepseek:c1
    3. AI research evidence record grok:web:0
    4. AI research evidence record perplexity:c1
    5. AI research evidence record openai:c2
    6. AI research evidence record openai:c2
    7. AI research evidence record openai:c3
    8. AI research evidence record openai:c6
    9. AI research evidence record openai:c1
    10. AI research evidence record deepseek:c2
    11. AI research evidence record grok:web:0
    12. AI research evidence record perplexity:c5
    13. AI research evidence record openai:c1
    14. AI research evidence record deepseek:c1
    15. AI research evidence record grok:web:0
    16. AI research evidence record perplexity:c5
    17. AI research evidence record openai:c2
    18. AI research evidence record perplexity:c6
    19. AI research evidence record deepseek:c2
    20. AI research evidence record openai:c4
    21. AI research evidence record perplexity:c2
    22. AI research evidence record deepseek:c3
    23. AI research evidence record perplexity:c3
    24. AI research evidence record perplexity:c4
    25. AI research evidence record perplexity:c7
    26. AI research evidence record openai:c10
    27. AI research evidence record perplexity:c8
    28. AI research evidence record openai:c12
    29. AI research evidence record openai:c11
    30. AI research evidence record grok:web:1
    31. AI research evidence record deepseek:c1
    32. AI research evidence record deepseek:c2
    33. AI research evidence record openai:c1
    34. AI research evidence record openai:c4
    35. AI research evidence record openai:c6
    36. AI research evidence record openai:c7
    37. AI research evidence record openai:c9
    38. AI research evidence record openai:c8
    39. AI research evidence record grok:web:2
    40. AI research evidence record openai:c11
    41. AI research evidence record grok:web:1
    42. AI research evidence record openai:c10
    43. AI research evidence record perplexity:c9
    44. AI research evidence record perplexity:c10
    45. AI research evidence record openai:c1
    46. AI research evidence record perplexity:c7
    47. AI research evidence record deepseek:c3
    48. AI research evidence record openai:c12
    49. AI research evidence record openai:c1
    50. AI research evidence record grok:web:0
    51. AI research evidence record perplexity:c1
    52. AI research evidence record openai:c1
    53. AI research evidence record deepseek:c1
    54. AI research evidence record grok:web:0
    55. AI research evidence record perplexity:c1
    56. AI research evidence record openai:c1
    57. AI research evidence record deepseek:c1
    58. AI research evidence record openai:c1
    59. AI research evidence record grok:web:0
    60. AI research evidence record perplexity: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
35
Ranking mentions
4 of 7
Platform share
57%
Final consensus rank
#6

Research trail and source mix

Configured platforms

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

Source mix

12 independent · 23 company-owned

Evidence support

23 direct · 12 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 e269c22e4a15c6e93d62393f61fc791009cf588b62f3b1a6f7bd9091ea273cd7