Answer Capsule
Stannah stairlifts is a strong fit for homeowners prioritizing professional installation, dealer network quality, and ongoing service. Five of seven AI platforms rated Stannah "strong" for this use case, while two rated it "uncertain" due to insufficient verifiable evidence. Four of seven platforms named Stannah in the ranking stage, with an average listed rank of 3.0 and a best rank of 2. The strongest reason to consider Stannah is its manufacturer-backed installation model: direct purchases are stated to be installed by trained Stannah technicians rather than subcontractors, and Accredited Distributors must complete Stannah installation and service training [1]. The main limitation is variability: warranty terms, pricing, and response times differ between direct Stannah purchases and distributor sales, and no independent data verifies installation lead times or customer-service response metrics [3].
Research Snapshot
| Metric | Value |
|---|---|
| Platform mentions in ranking stage | 4 of 7 platforms (deepseek, google, openai, perplexity) |
| Share of included platform responses | 57.1% (4 of 7) |
| Average listed rank | 3.0 |
| Best listed rank | 2 (deepseek, openai) |
| Fit ratings | 5 strong (anthropic, deepseek, google, grok, openai); 2 uncertain (kimi, perplexity) |
| Relevant product/model/plan | Stannah Siena (straight), Starla (curved), Sadler (standing/narrow), 280/600 designations |
| Overall use-case fit | Strong, with channel-dependent variability |
| Research date | 2026-08-13 |
Why Stannah Stairlifts Qualified for This Study
Stannah Stairlifts qualified because four of seven AI platforms named it during the ranking stage for "Best Stairlifts With Professional Installation." Its ranks were 2 (deepseek), 2 (openai), 3 (google), and 5 (perplexity). The platforms identified Stannah as relevant because it operates a U.S. dealer network with certified installers, offers free in-home assessments, and provides ongoing maintenance and warranty service through local channels [6].
The Product, Model, Plan, or Service Most Relevant to Dealer Network & Installation Quality
The most relevant products are the Stannah Siena (straight stairlift, also designated Model 600 or 260), the Starla (curved), and the Sadler (standing stairlift for very narrow stairs). These are purchased either directly from Stannah or through a Stannah Accredited Distributor, with professional installation and service included [9]. Note that platform responses referenced "Stannah 280" and "Stannah 600" model labels that do not consistently match current U.S. public model pages, which identify models such as the Model 600 Siena, Model 600 Starla, Model 260 Siena, and Model 260 Sadler. Buyers should verify the exact model designation on their quote.
What the AI Platforms Agreed About
Strong agreement: Manufacturer-backed installation quality
All five platforms that rated Stannah "strong" agreed that Stannah's installation model is a core advantage. Stannah states that direct purchases are installed by trained Stannah technicians rather than subcontractors [13]. Accredited Distributors must complete Stannah installation and service training and receive ongoing technical training [14]. One independent source notes that Stannah's manufacturer-certified training program is recognized for elevator and residential stair lift technician licensing [16].
Strong agreement: Free in-home assessment
Platforms unanimously noted that Stannah offers free, no-commitment home visits in which an advisor surveys the staircase and personal requirements before issuing a quote [18]. Google added that dealers use photometric studies to map stair dimensions, which is important for curved models [21].
Strong agreement: Warranty structure for direct purchases
For new stairlifts purchased and installed directly by Stannah in the U.S. or Canada, the published terms provide a lifetime carriage motor gearbox warranty plus one year of parts and labor coverage [22]. Parts coverage may be extendable to five years through service plans or annual preventive maintenance [22]. One independent source reports a 27-month parts warranty for all components except motor/gearbox [24].
Strong agreement: Installation timeline for straight models
Platforms agreed that straight stairlifts typically install in a few hours. Stannah states most installations are completed in a few hours [18]. Independent sources report 3-4 hours for standard straight installs [20] and about four hours total for direct purchases including setup and cleanup [25].
Majority agreement: Dealer network coverage
Four platforms (anthropic, google, grok, deepseek) reported that Stannah operates a nationwide dealer network. Anthropic cited Consumer Affairs reporting authorized dealers in 50 states and Washington D.C., though another Consumer Affairs source cited 47 states and D.C. [26]. Google noted direct corporate operations in Massachusetts, Rhode Island, Connecticut, New Hampshire, Maine, New York, New Jersey, Pennsylvania, Delaware, and California [28].
Where the AI Platforms Disagreed or Were Uncertain
Geographic coverage discrepancy
Anthropic reported "50 states and D.C." from one Consumer Affairs source but "47 states and D.C." from another [30]. This conflict was not resolved by any platform. Buyers should verify dealer availability in their ZIP code directly.
Warranty terms vary by channel
All platforms agreed that distributor warranty terms may differ from direct Stannah purchases. Stannah itself states that distributor warranties can vary [32]. One independent source confirms that if buying from a dealer, warranty coverage will likely differ dealer-to-dealer [34]. The exact protection depends on the seller and installer named in the contract.
Service response time uncertainty
Anthropic cited Stannah stating that non-contract customers may wait 2-3 working days for an engineer [35]. Another source mentioned 24-hour emergency support. No platform could verify actual response times with independent data [36].
Parts sourcing lead times
Anthropic reported that Stannah manufactures in Andover, England, and parts sourcing from the UK causes 10-14 day lead times for replacement components [37]. This was identified as the primary practical drawback versus U.S.-manufactured competitors. Stannah did not confirm this directly.
Pricing ranges conflict
Platforms reported different price ranges for straight models: $3,200-$8,000 [38], $3,500-$6,000 (deepseek), and $4,700-$8,500 [39]. Curved models ranged from $8,500 to over $20,000 depending on source [38]. These differences reflect regional dealer pricing and option variability.
Two platforms rated Stannah "uncertain"
Kimi and Perplexity both rated Stannah "uncertain" for this use case. Kimi stated that no independent sources in its search results addressed Stannah's U.S. dealer network, installation quality, or service capabilities [40]. Perplexity noted that the provided search results did not include authoritative U.S.-specific Stannah dealer, installation, or warranty documentation [41]. Both platforms emphasized that buyers should verify local dealer coverage before purchasing.
Use-Case-Specific Features and Capabilities
Dealer network coverage
Stannah operates direct corporate service locations in states including Massachusetts, Rhode Island, Connecticut, New Hampshire, Maine, New York, New Jersey, Pennsylvania, Delaware, and California [42]. Outside direct-service areas, certified Accredited Distributors handle sales and installation [44]. Stannah states that call-out service covers most of the United States [45]. Actual local coverage must be checked by ZIP code.
In-home assessment quality
Stannah offers free, no-commitment home visits where an advisor surveys the staircase and personal requirements before issuing a quote [46]. Google reports that dealers use photometric studies to map stair dimensions, which is critical for curved models [47]. Customers report quick response after initial inquiry and ease of scheduling assessments [48].
Installation quality and technician certification
Stannah states that direct purchases are installed by trained Stannah technicians rather than subcontractors [49]. Accredited Distributors must complete installation and service training and receive ongoing technical training [50]. Stannah's manufacturer-certified training program is recognized by state occupational licensing bodies [51]. Top dealers, such as Triple Diamond dealers, use factory-certified in-house technicians [53].
Installation timeline
Straight stairlifts typically install in 3-4 hours [54]. Curved stairlifts require custom rail fabrication, extending the timeline from measurement to installation to several weeks [56]. Google reports roughly 4 weeks for custom curved rail fabrication. Stannah does not publish a guaranteed nationwide installation interval [57].
Maintenance and service availability
Stannah states that its service team handles maintenance, repairs, and technical questions, with direct or distributor-based call-out coverage across the U.S. [45]. Annual maintenance is recommended [58]. Service contracts are available post-warranty, but pricing and terms vary by branch or dealer [59].
Warranty handling
For direct new-unit purchases, Stannah provides a lifetime carriage motor gearbox warranty plus one year of parts and labor [60]. Parts coverage may be extendable to five years through service plans [60]. One independent source reports 27-month parts coverage for all components except motor/gearbox [62]. Warranty registration is required within 30 days of installation, and warranties are non-transferable [61]. Distributor warranty terms may differ [63].
Customer support responsiveness
Stannah claims phone-based support, technical assistance, and prompt after-sales service [65]. Customers report quick contact response after initial inquiry [48]. However, no independent, standardized data verifies response times, repair completion times, or satisfaction specifically for U.S. dealer installations [65].
Pricing, Fees, Contracts, and Ongoing Costs
Known costs
| Item | Reported Range | Source |
|---|---|---|
| Straight stairlift (Siena 600) | $3,200-$8,500 | [66], [67] |
| Curved stairlift (Siena 260) | $8,500-$20,000+ | [66], [67] |
| Base installation fee | $345-$595 (dealer estimates) | |
| Powered swivel seat option | $900-$990 | |
| Power folding rail option | $1,695 | |
| Tile/concrete installation surcharge | $195 | |
| After-hours installation | $250 | |
| Narrow-width or slim-seat conversion kits | $140 each | [68] |
| Seat belt upgrades | $250-$390 |
Pricing transparency
Stannah does not publish fixed U.S. prices. Quotes are provided after a free home survey. Pricing varies by staircase complexity, options, labor costs, and regional dealer markup. No standardized national pricing is published.
Contract and cancellation terms
The U.S. terms include a rescission and return policy covering a defined period beginning after the transaction and extending through seven calendar days after installation [69]. Extended warranties must be purchased before installation; cancellation of unused years qualifies for a prorated refund. Warranty coverage may be affected by use of unauthorized technicians, lack of yearly maintenance, misuse, or excluded wear items such as batteries [69].
Ongoing costs
Exact prices for extended warranties, service plans, annual maintenance, batteries, excluded wear components, and post-warranty labor are unclear. Battery replacement typically occurs every 2-3 years and is not covered by warranty. Service contracts post-warranty have non-standardized pricing that varies by dealer.
Best Suited For
Stannah Stairlifts is best suited for:
- Homeowners wanting a manufacturer-led sales, measurement, installation, and aftercare process
- Buyers in states with direct Stannah operations (MA, RI, CT, NH, ME, NY, NJ, CA, PA, and Delaware Bay area) who want company-employed technicians [70]
- Straight stairs suited to the Siena or Starla, and curved or complex stairs requiring a custom rail [72]
- Narrow staircases where the Siena or Sadler may provide a better physical fit [74]
- Buyers who value a long gearbox warranty and the ability to purchase extended service coverage [76]
- Households requiring specialty designs such as perch seats for post-knee-replacement users [78]
Probably Not Best Suited For
Stannah Stairlifts is probably not best suited for:
- Budget-conscious buyers seeking sub-$3,000 solutions; Stannah typically starts at $3,200 for straight models [79]
- Homeowners in rural or underserved areas with limited dealer density or long technician response times
- Buyers with urgent timelines; curved lifts can require weeks from measurement to installation due to custom fabrication [80]
- Customers prioritizing fast parts availability; UK sourcing causes 10-14 day lead times for replacement components [81]
- Installation surfaces of brick or composite wood, which Stannah cannot accommodate
- Buyers uncomfortable with dealer-to-dealer warranty variance; coverage details vary by distributor partner [82]
- Buyers who require a published, standardized purchase price before an in-home assessment
When Another Option May Be Better
Consider alternatives when:
- Budget is the primary constraint and sub-$3,000 options are required; consider online-direct or budget-focused brands such as Acorn or AmeriGlide
- Fast parts availability is critical due to frequent maintenance needs; U.S.-manufactured brands like Bruno have shorter lead times
- The home is in a remote area without a Stannah dealer; national companies like MobilityWorks or local independent installers may be more accessible
- The buyer wants a superior, standardized dealer-backed warranty across all independent dealers; Bruno offers a standard 5-year parts and 2-year labor warranty widely honored by its certified dealers
- The buyer wants independently audited customer-service or installation-quality metrics rather than manufacturer claims
- The buyer prefers a local independent dealer that services multiple brands and can compare Stannah with Bruno, Harmar, or other systems
Questions to Verify Before Buying
Before purchasing a Stannah stairlift, verify the following with the dealer or Stannah directly:
- Will Stannah install and service the lift directly, or will a named Accredited Distributor handle it?
- Is the specific distributor accredited and currently serving your ZIP code?
- Who will perform the measurement, rail design, installation, and future repairs?
- What is the promised installation date, and is the timeline written into the quote or contract?
- What exact model and model number are being quoted: Siena, Starla, Sadler, or another configuration?
- What are the stair-width, weight-capacity, landing-clearance, and electrical requirements for the proposed configuration?
- What is covered during the first year for parts and labor, and what labor charges apply after year one?
- Does the distributor provide the same lifetime gearbox coverage and parts-extension options as direct Stannah sales?
- What are the prices and renewal terms for annual maintenance and extended service plans?
- What response time, travel charge, after-hours coverage, and repair escalation process apply after a breakdown?
- Which batteries and wear components are excluded, and what do replacement parts and labor typically cost?
- What are the cancellation, return, removal, rental, financing, and refund terms?
- Is your staircase installation surface compatible (solid floor/ground, not brick or composite wood)?
- What is the parts sourcing and replacement timeline for repairs outside warranty? Confirm whether 10-14 day UK sourcing applies in your region
Final AI Consensus Verdict
Stannah Stairlifts is a strong fit for homeowners prioritizing professional installation, dealer network quality, and long-term service. Five of seven AI platforms rated it "strong" for this use case; two rated it "uncertain" due to insufficient verifiable evidence. The company's mandatory technician certification, free in-home assessments, and manufacturer-backed installation model are consistent strengths across platforms. The primary buyer risk is not the stated installation process but variability in local distributor coverage, pricing, warranty administration, and response times. Buyers should verify the local dealer and contract before purchase, especially regarding warranty terms, installation timelines for curved rails, and service availability in their region.
For a broader comparison of stairlift providers ranked for professional installation quality, see the Dealer Network & Installation Quality consensus index.
For all stairlift categories and buying guides, visit the stairlifts directory.
How This Review Was Produced
This review was produced by aggregating fit-research responses from seven AI platforms (anthropic, deepseek, google, grok, kimi, openai, perplexity) that evaluated Stannah Stairlifts for the "Dealer Network & Installation Quality" use case. Each platform assessed the entity against criteria including dealer network coverage, in-home assessment quality, installation timeline, technician certification, maintenance availability, warranty handling, and customer support responsiveness. The research date for this study is 2026-08-13. Platform responses were collected and normalized into the evidence presented here.
Methodology Limitations
- Platform-reported dates differ from the authoritative run date. Deepseek reported a research date of 2026-04-08, while the authoritative run date is 2026-08-13. Platform-reported dates are provenance metadata and do not independently prove freshness.
- All included platforms evaluated fit, but platform_mentions counts only platforms that named the entity during ranking discovery. Four of seven platforms named Stannah in the ranking stage.
- Conflicting product names, pricing, and capabilities were not resolved by guessing. The "280" and "600" model labels referenced by some platforms do not consistently match current U.S. public model pages. Buyers should verify exact model designations on their quote.
- The supplied URLs were collected from platform responses and were not independently validated by the writer stage.
- Company-owned citations materially outnumber independent citations. Of 34 deduplicated sources, 22 are company-owned and 12 are independent. Company claims about installation quality, warranty performance, and service responsiveness should not be treated as independently verified.
- No platform provided verified public data for average installation lead time, technician response time, first-time installation success, or local customer satisfaction.
- Two platforms (kimi, perplexity) rated Stannah "uncertain" because their search results lacked verifiable U.S.-specific dealer, installation, or warranty documentation. This uncertainty is reflected in the consensus rating.
Sources
Company-Owned Sources
- The largest installation network in the country : InstallerNet Inc: https://www.installernet.com/network-of-trained-professionals/
- EV Charger Installation: https://www.lowes.com/l/install/ev-charging
- Certificate Of Excellence - Stair Lifts | Stannah Stairlifts: https://www.stairlifts2u.co.uk/certificate-of-excellence/
- Official Stannah USA Website: https://www.stannah.com
- Find out more about Stannah Accredited Distributors: https://www.stannah.com/en-us/contact-us/distributors/
- Customer Support & Stairlift Aftercare: https://www.stannah.com/en-us/customer-support
- Stannah Stairlifts in New England | Installation and Service: https://www.stannah.com/en-us/dealers/stannah-stairlifts-inc-new-england
- General Terms and Conditions of Sale: https://www.stannah.com/en-us/general-terms-and-conditions-of-sale
- Find Stairlifts & Stair Chair Lifts in California | Stannah Stairlifts: https://www.stannah.com/en-us/locations/california
- Find Stairlifts & Stair Chair Lifts in Georgia: https://www.stannah.com/en-us/locations/georgia
- Warranty: Register Your Stairlift for Full Coverage: https://www.stannah.com/en-us/register
- Stairlift Guide: Types of Stair Lifts & Installation: https://www.stannah.com/en-us/resources/stairlifts-complete-guide
- Stairlift Sales & Services: Get in Touch with Stannah's Team: https://www.stannah.com/en-us/sales-services
- Curved Stairlift Solutions: https://www.stannah.com/en-us/stairlifts/curved-stairlifts
- Stair Lift & Chair Lift Installation: Experts You Can Trust: https://www.stannah.com/en-us/stairlifts/installation
- The Sadler: Standing Stair Lift With Secure and Stable Support: https://www.stannah.com/en-us/stairlifts/sadler-chair
- The Siena Stairlift: Our Best-Seller: https://www.stannah.com/en-us/stairlifts/stannah-siena
- Warranty: Register Your Stairlift for Full Coverage - Stannah: https://www.stannah.com/en-us/stairlifts/warranty/
- Find out more about Stannah Accredited Distributors: https://www.stannah.com/en-us/stannah-certified-dealers
- Stairlift Warranty: Protection for Your Stannah Stairlift: https://www.stannah.com/en-us/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
Additional AI research evidence83 records
- AI research evidence record openai:c2
- AI research evidence record openai:c4
- AI research evidence record openai:c5
- AI research evidence record anthropic:c15
- AI research evidence record anthropic:c16
- AI research evidence record deepseek:c1
- AI research evidence record grok:c1
- AI research evidence record google:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c7
- AI research evidence record openai:c8
- AI research evidence record google:c3
- AI research evidence record openai:c4
- AI research evidence record openai:c2
- AI research evidence record google:c2
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c7
- AI research evidence record openai:c3
- AI research evidence record deepseek:c1
- AI research evidence record grok:c3
- AI research evidence record google:c3
- AI research evidence record openai:c9
- AI research evidence record google:c4
- AI research evidence record anthropic:c14
- AI research evidence record anthropic:c10
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c5
- AI research evidence record google:c1
- AI research evidence record anthropic:c2
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c5
- AI research evidence record openai:c11
- AI research evidence record anthropic:c15
- AI research evidence record anthropic:c16
- AI research evidence record anthropic:c20
- AI research evidence record openai:c12
- AI research evidence record anthropic:c19
- AI research evidence record anthropic:c21
- AI research evidence record google:c3
- AI research evidence record kimi:c2
- AI research evidence record perplexity:c1
- AI research evidence record google:c1
- AI research evidence record anthropic:c2
- AI research evidence record google:c2
- AI research evidence record openai:c1
- AI research evidence record openai:c3
- AI research evidence record google:c3
- AI research evidence record anthropic:c8
- AI research evidence record openai:c4
- AI research evidence record openai:c2
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c7
- AI research evidence record grok:c2
- AI research evidence record grok:c3
- AI research evidence record anthropic:c10
- AI research evidence record anthropic:c11
- AI research evidence record openai:c5
- AI research evidence record anthropic:c17
- AI research evidence record anthropic:c20
- AI research evidence record openai:c9
- AI research evidence record google:c4
- AI research evidence record anthropic:c14
- AI research evidence record openai:c11
- AI research evidence record anthropic:c15
- AI research evidence record openai:c12
- AI research evidence record anthropic:c21
- AI research evidence record google:c3
- AI research evidence record anthropic:c22
- AI research evidence record openai:c10
- AI research evidence record anthropic:c2
- AI research evidence record google:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c7
- AI research evidence record openai:c8
- AI research evidence record anthropic:c22
- AI research evidence record openai:c9
- AI research evidence record google:c4
- AI research evidence record anthropic:c23
- AI research evidence record anthropic:c21
- AI research evidence record anthropic:c11
- AI research evidence record anthropic:c19
- AI research evidence record anthropic:c15
- AI research evidence record anthropic:c16
Independent Sources
- Stannah Stairlift Review 2026: Warranty, Cost & Models: https://allamericanstairlifts.com/brands/stannah-stairlift-review/
- 10 Best Stair Lift Companies of 2026, Compared: https://caringvillage.com/product-reviews/stair-lifts/
- Stannah Stairlift Review: 2026 Costs, Models, Features & More: https://modernize.com/stair-lifts/best-brands/stannah
- Stannah Stairlift Review 2026: Warranty, Cost & Models: https://modernize.com/stairlifts/stannah-review
- Elevator Residential Stair Lift Technician Application Path: https://portal.ct.gov/dcp/license-services-division/all-license-applications/elevator-residential-stair-lift-technician-application-path
- Stannah 600 Siena Straight Stairlift – Thealbanyliftcompany: https://thealbanyliftcompany.com/products/stannah-600-straight-stairlift-146-of-track
- Best Stairlift 2026: Stannah Triple Diamond Dealer | Bedco: https://www.bedcomobility.com/stannah-best-stairlift-triple-diamond-dealer/
- Goodman Networks Makes National Smart Home Market Play: https://www.cepro.com/news/goodman-networks-smart-home-iot/18095/
- Stannah Stairlifts Reviews (From First-hand Experiences: https://www.consumeraffairs.com/homeowners/stannah-stairlifts.html
- Residential Stairlift Warranty Comparison Guide 2026: https://www.porchlightathome.com/residential-stairlift-warranty-comparison-guide-2026/
- Stannah Stairlifts USA Reviews | Read Customer Service Reviews of stannah-stairlifts.com: https://www.trustpilot.com/review/stannah-stairlifts.com
- Stannah Stairlifts USA Reviews | Read Customer Service Reviews of stannah-stairlifts.com: https://www.trustpilot.com/review/stannah-stairlifts.com?page=2
Additional AI research evidence83 records
- AI research evidence record openai:c2
- AI research evidence record openai:c4
- AI research evidence record openai:c5
- AI research evidence record anthropic:c15
- AI research evidence record anthropic:c16
- AI research evidence record deepseek:c1
- AI research evidence record grok:c1
- AI research evidence record google:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c7
- AI research evidence record openai:c8
- AI research evidence record google:c3
- AI research evidence record openai:c4
- AI research evidence record openai:c2
- AI research evidence record google:c2
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c7
- AI research evidence record openai:c3
- AI research evidence record deepseek:c1
- AI research evidence record grok:c3
- AI research evidence record google:c3
- AI research evidence record openai:c9
- AI research evidence record google:c4
- AI research evidence record anthropic:c14
- AI research evidence record anthropic:c10
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c5
- AI research evidence record google:c1
- AI research evidence record anthropic:c2
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c5
- AI research evidence record openai:c11
- AI research evidence record anthropic:c15
- AI research evidence record anthropic:c16
- AI research evidence record anthropic:c20
- AI research evidence record openai:c12
- AI research evidence record anthropic:c19
- AI research evidence record anthropic:c21
- AI research evidence record google:c3
- AI research evidence record kimi:c2
- AI research evidence record perplexity:c1
- AI research evidence record google:c1
- AI research evidence record anthropic:c2
- AI research evidence record google:c2
- AI research evidence record openai:c1
- AI research evidence record openai:c3
- AI research evidence record google:c3
- AI research evidence record anthropic:c8
- AI research evidence record openai:c4
- AI research evidence record openai:c2
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c7
- AI research evidence record grok:c2
- AI research evidence record grok:c3
- AI research evidence record anthropic:c10
- AI research evidence record anthropic:c11
- AI research evidence record openai:c5
- AI research evidence record anthropic:c17
- AI research evidence record anthropic:c20
- AI research evidence record openai:c9
- AI research evidence record google:c4
- AI research evidence record anthropic:c14
- AI research evidence record openai:c11
- AI research evidence record anthropic:c15
- AI research evidence record openai:c12
- AI research evidence record anthropic:c21
- AI research evidence record google:c3
- AI research evidence record anthropic:c22
- AI research evidence record openai:c10
- AI research evidence record anthropic:c2
- AI research evidence record google:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c7
- AI research evidence record openai:c8
- AI research evidence record anthropic:c22
- AI research evidence record openai:c9
- AI research evidence record google:c4
- AI research evidence record anthropic:c23
- AI research evidence record anthropic:c21
- AI research evidence record anthropic:c11
- AI research evidence record anthropic:c19
- AI research evidence record anthropic:c15
- AI research evidence record anthropic:c16
Verify this research
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
- 34
- Ranking mentions
- 4 of 7
- Platform share
- 57%
- Final consensus rank
- #2
Research trail and source mix
Platforms
openai, anthropic, deepseek, grok, perplexity, kimi, google
Source mix
12 independent · 22 company-owned
Evidence support
30 direct · 4 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 228a00e82d5e8f9e8ea813957e7e020c82bf1814043d96f46cd6ef646a0f35ed
