Answer Capsule
Stannah is a strong fit for split-level and short-run staircases, particularly when the staircase has turns, half-landings, or multiple connected flights requiring a custom curved rail. All 7 AI platforms that evaluated Stannah for this use case named it in the ranking stage, with an average listed rank of 5.29 and a best rank of 3. Five platforms rated it a "strong" fit, two rated it "good," and one rated it "mixed." The strongest reason to consider Stannah is its made-to-measure curved rail engineering, which supports continuous travel over multiple half-flights without requiring transfers between separate lifts. The main limitation is the absence of transparent online pricing: Stannah requires a free in-home survey for any cost estimate, and curved configurations are premium-priced with custom fabrication lead times.
Research Snapshot
| Metric | Value |
|---|---|
| Platform mentions in ranking stage | 7 of 7 platforms |
| Share of included platform responses | 100% (7 of 7) |
| Average listed rank | 5.29 |
| Best listed rank | 3 (DeepSeek, Google) |
| Relevant product/model/plan | Stannah Siena 260 or Starla 260 curved stairlift; Stannah 600 series; dual straight-rail strategy |
| Overall use-case fit | Strong (5 platforms), Good (2 platforms), Mixed (1 platform) |
| Research date | 2026-08-11 |
Why Stannah Qualified for This Study
Stannah qualified because every AI platform in the ranking stage named it as a candidate for split-level and short-run staircases. The platforms identified Stannah's curved stairlift configurations as the product type most directly relevant to staircases with turns, landings, and multiple short runs [1]. Stannah's own materials state that its curved stairlifts support turns, half-landings, quarter-landings, spirals, and short or multi-floor stairs [2]. The Starla model is described as available for straight and curved stairs and can be fitted to long or short staircases [4].
The Product, Model, Plan, or Service Most Relevant to Split-Level & Short-Run Staircases
The most relevant Stannah products for this use case are the Siena 260 and Starla 260 curved stairlifts. The US Stannah manual index identifies Model 600 Siena and Model 600 Starla for straight stairs, and Model 260 Siena and Model 260 Starla for curved stairs [5]. Google's platform research specifically named the Siena 260 or Starla 260 Curved Stairlift as the relevant configuration [6].
For split-level homes with two completely separate, unconnected straight flights, the platforms also identified a dual straight-rail strategy using two Stannah straight units as a viable alternative [7]. Industry guidance indicates that for two separate unconnected straight staircases, installing two straight stairlifts is often the most practical and affordable option [7].
What the AI Platforms Agreed About
Strong agreement: Custom curved rails handle split-level geometry
Six of seven platforms identified Stannah's made-to-measure curved rails as the core advantage for split-level layouts. Stannah states that curved rails are engineered for fanned stairs, half- and quarter-landings, spirals, and stairs with turns [9]. Curved rails are made to measure and designed around the individual staircase [11]. The platforms agreed that this directly matches many split-level and multi-half-flight configurations.
Strong agreement: Continuous travel avoids mid-flight transfers
Multiple platforms noted that a curved stairlift allows the user to remain seated for the entire journey with no need to transfer between chairs [12]. This is a significant advantage over dual-lift strategies, particularly for users with limited mobility who may find mid-flight transfers challenging on smaller landings [13].
Strong agreement: Free in-home survey is required for any quote
All platforms that addressed pricing noted that Stannah does not publish online pricing and requires a free, no-obligation in-home survey [14]. The final quote includes installation and selected options [14].
Majority agreement: Retractable and hinged rails address landing clearance
Stannah offers a retractable rail option for straight stairs that can move out of the way of a door or tripping hazard [17]. Google's research added that Stannah provides hinged rails for curved models and automatic retractable rails for straight flights [18]. However, availability on every curved or multi-run configuration was not clearly verified [17].
Majority agreement: Installation is stair-mounted with minimal remodeling
Stannah states that installation is stair-mounted rather than wall-mounted and generally requires no major remodeling [19]. Average installation is approximately two to four hours [20]. Straight stairlifts typically install in 2-3 hours [21].
Where the AI Platforms Disagreed or Were Uncertain
Disagreement: Model number mapping in the US
The platforms disagreed on which model numbers apply to which configurations. OpenAI's research identified Model 600 for straight and Model 260 for curved [22]. DeepSeek referenced the "model 600 series" for curved and "Stannah 260 straight-rail model" [23]. Google named "Siena 260 or Starla 260 Curved" as the relevant product [24]. The exact US mapping of every model number to every configuration should be confirmed with a dealer [22].
Disagreement: Curved stairlift pricing
Pricing estimates for curved configurations varied significantly across platforms:
| Source | Curved Price Estimate |
|---|---|
| Stannah company page (via Anthropic) | Starting at $10,800 [25] |
| Stannah company page (via Google) | $10,000–$14,500 [26] |
| Third-party (via Grok) | ~$12,000–$15,000 installed [27] |
| Third-party (via DeepSeek) | $3,500–$15,000 [23] |
| Third-party (via Kimi) | $8,000–$15,000 [28] |
The wide range reflects both configuration variability and the absence of a published price schedule.
Disagreement: Fabrication lead time
Google reported a 2-to-4 week custom manufacturing delay for curved rails [24]. Kimi reported approximately 4 weeks for curved rail manufacturing [29]. Anthropic estimated 6-8 weeks based on industry sources but noted Stannah does not publicly state this figure [30]. These estimates conflict and should be verified with a dealer.
Disagreement: Weight capacity
Google reported that curved rail models have a lower maximum weight capacity of 300 lbs compared to 350 lbs on straight rails [24]. No other platform provided weight capacity figures. This should be verified for the exact configuration quoted.
Disagreement: Warranty terms
Warranty descriptions differed across sources. One Stannah page describes lifetime coverage for key components and two years for other parts, while another describes lifetime motor/gearbox coverage, one year of parts and labor, and optional extensions [31]. Anthropic's research found a 2-year product warranty with two free annual services for new units, and 1-year warranty with one free service for reconditioned units [32]. Google reported a lifetime warranty on the carriage, motor, and gearbox for new units purchased directly from Stannah [24]. The written quote and warranty document should control.
Disagreement: Overall fit rating
Five platforms rated Stannah a "strong" fit (OpenAI, Anthropic, Google, Grok, and one additional platform). Two rated it "good" (DeepSeek, Perplexity). One rated it "mixed" (Kimi), noting that Stannah offers no purpose-built split-level product and that minimum width requirements may exclude some older split-level homes [33].
Use-Case-Specific Features and Capabilities
Short-run compatibility
Stannah states that its Starla can be fitted to long or short straight and curved stairs [34]. Its curved-stairlift materials specifically describe suitability for short stairs, middle landings, and layouts spanning different floors [35]. Straight models like the Siena 260 fit short straight runs, with multiple units recommended for split-level bi-level layouts [36].
Landing clearance and parking
Stannah offers layout discussions covering where the lift parks during the home survey [37]. For straight stairs, the retractable rail option can move the rail out of the way near a door or potential bottom landing obstruction [38]. The 260 model supports intermediate stops at mid-landings and landing wrap runs that park the carriage off the main active staircase path [39]. Standard split-level landing size is 36x36 inches, which may be tight for stairlift parking [40].
Rail customization
Curved rails are individually designed and handmade for each staircase [41]. The Siena 260 and Starla 260 utilize a bespoke dual-rail system tailor-made to hug the unique profile of curved and split-level staircases, supporting inside or outside turns [39]. Stannah offers customization including power swivel seats, powered folding footrests, folding rails, and trim/upholstery choices [42].
Transfer safety
Stannah lists seatbelts, pressure-sensitive seating, safety sensors, folding components, and swivel-seat options [43]. Safety edges detect obstructions, and the hand control requires minimum 40 lbs seat pressure to move [44]. Powered swivel seat and powered footrest options can reduce manual space requirements at landings [45]. These features help transfers at landings but do not eliminate the need to assess actual landing dimensions and turning space [43].
Stair width requirements
Stannah straight stairlifts require approximately 27 inches of stair width, while curved stairlifts need around 30 inches depending on configuration [46]. The Siena model requires minimum staircase width of 28-30 inches and has folded depth from wall of 14.5 inches (straight) or 16 inches (curved) [45]. Custom curved rails are positioned typically 6 inches from the wall on straight sections [46].
Narrow-stair alternative
Stannah lists the Sadler standing stairlift as intended for narrow staircases [47]. It may be relevant if a seated Siena or Starla configuration would materially restrict the walking path, subject to suitability for the buyer's mobility and transfer needs [47].
Pricing, Fees, Contracts, and Ongoing Costs
Known costs
Stannah's US pricing page states that stairlifts start at $4,700, with the actual amount varying by staircase layout, configuration, model, and options [48]. This is not identified as an installed price for curved or split-level systems and should not be used as the expected project cost [48].
Curved stairlifts start at $10,800 per company statement [49]. Google's research placed curved stairlift total estimated cost at $10,000-$14,500 [50]. Straight Stannah lifts with common features (powered swivel, retractable rail) typically cost $5,700-$6,200 installed [51]. A dual straight-lift strategy for two separate runs is estimated at $11,400-$12,400 total, though this is derived from stacking single-unit pricing and actual dealer bundles may offer discounts [51].
Additional fees
No specific US surcharge schedule for extra rail length, multiple half-flights, landing modifications, powered swivel, retractable rail, or preparation work was located [48]. Powered options such as swivel and footrest may add cost [52]. Custom curved rail fabrication carries a premium [52]. Extended warranty is available at a discounted rate when ordering, but the cost is not published [53].
Contract and cancellation terms
Public US pages do not state a complete purchase cancellation, deposit, refund, or removal policy [48]. Google reported a 7-day money-back guarantee applying to select direct purchases [54]. Stannah advertises rental options, generally with a six-month initial rental period in most states where it operates directly; Pennsylvania is stated as a three-month exception [48].
Warranty
New Stannah stairlifts come with a standard 2-year product warranty including two free annual services [55]. Reconditioned units offer a 1-year warranty with one free service [55]. Motor/gearbox is covered separately for 5 years on new units [53]. Service contracts are offered post-warranty with 3-star (annual service + reduced callout rates) or 5-star (all servicing, callouts, parts) options [56]. Warranty descriptions differ between Stannah's US pages, so the written warranty attached to the specific quote should control [48].
Best Suited For
Stannah is best suited for:
- Split-level layouts with half-landings, turns, or multiple stair runs where a continuous curved rail can connect multiple half-flights [57]
- Short or irregular staircases requiring made-to-measure rails [59]
- Stairs with limited bottom landing clearance where a retractable rail may help [60]
- Buyers wanting an installed, surveyed, and service-supported solution rather than an off-the-shelf lift [61]
- Users prioritizing comfort, safety features, and aesthetic blend into the home over cost minimization [62]
- Homes with adequate stair width of at least 28-30 inches [63]
Probably Not Best Suited For
Stannah is probably not best suited for:
- Buyers requiring transparent online pricing before a home visit [64]
- Very tight stairs below the applicable minimum width or with inadequate headroom and transfer space [66]
- Buyers seeking the lowest-cost solution for a single basic straight run [67]
- Users weighing over 300 lbs who need a curved configuration [68]
- Budget-conscious buyers; Stannah curves start at $10,800 vs. $3,200-$4,500 for entry-level straight units from competitors [69]
- Situations requiring fast installation turnaround; custom curved rails require fabrication lead time [68]
- Renters or temporary-use scenarios; custom curved stairlifts are difficult to resell or relocate [67]
When Another Option May Be Better
Another provider may be better when:
- The buyer has a flat landing separating two short straight flights and prefers installing two lower-cost straight lifts rather than one expensive custom curved lift [71]
- Budget is the primary concern and stairs are straight; alternatives like Acorn or Handicare may offer lower upfront costs [72]
- Stair width is below 28 inches; consider compact alternatives [73]
- Immediate installation is needed; straight-only solutions from competitors may install faster [74]
- The user's weight exceeds 300 lbs on curved configurations [75]
- Outdoor split-level access is needed; Stannah has limited weatherproof options [76]
- The intermediate landing is too small for safe transfers, making a continuous curved system or a different accessibility layout preferable [77]
Questions to Verify Before Buying
- For your exact split-level layout, is one continuous curved stairlift feasible, or are two separate straight lifts recommended?
- If two lifts are proposed, what transfer space is available at the landing, and can the user safely turn, sit, and stand there?
- Where will the chair park at every end of each run, and does any parking position obstruct doors, hallways, or normal stair use?
- Is a retractable rail available and appropriate for the specific run, especially if there is a door or limited bottom clearance?
- What are the measured minimum stair width, headroom, top clearance, bottom clearance, and required transfer dimensions?
- Which exact model and model number will be supplied: Siena 260, Starla 260, Siena 600, Starla 600, or another configuration?
- Does the quoted price include all rail sections, powered swivel or footrest options, retractable rail, electrical work, preparation work, installation, removal, taxes, and follow-up service?
- What is the exact lead time in weeks for custom curved rail fabrication for your specific staircase geometry?
- What are the written warranty duration, exclusions, labor coverage, service-plan price, response-time commitment, and transferability if the home is sold?
- Is service provided directly by Stannah or by a distributor in your ZIP code?
- What are the deposit, cancellation, refund, rental-conversion, removal, and end-of-term terms?
- What user weight rating applies to the exact straight or curved configuration?
- Can you receive a dimensioned drawing or installation plan showing rail position, parking locations, and remaining walking clearance before signing?
Final AI Consensus Verdict
Stannah is a strong fit for split-level and short-run staircases when the buyer values custom rail routing, flexible parking, and professional surveying. The consensus across platforms is that Stannah's curved Siena or Starla configuration is the most directly relevant option for multiple half-flights and landings, enabling continuous travel without mid-journey transfers. Separate straight Siena or Starla lifts may work for independent short runs, but this requires the user to transfer at landings.
The main decision risks are the absence of a detailed public installed-price schedule, uncertainty over the exact 260/600 configuration naming in the US, custom fabrication lead times that are not consistently disclosed, and the need to validate landing transfer space and local service coverage. Buyers with adequate stair width (28-30+ inches), patience for custom manufacturing, and budget for premium custom work may find Stannah satisfactory. Those needing quick installation, predictable costs, or with very narrow stairs should explore alternatives.
For a broader comparison of stairlift options for this use case, see the Split-Level & Short-Run Staircases consensus index. You can also browse all stairlifts reviews.
How This Review Was Produced
This review was produced by aggregating fit-research responses from 7 AI platforms: OpenAI, Anthropic, DeepSeek, Google, Grok, Kimi, and Perplexity. Each platform evaluated Stannah specifically for the split-level and short-run staircase use case, drawing on company-owned sources (primarily stannah.com) and independent sources including reviews, dealer directories, and industry guides. The authoritative research date is 2026-08-11.
Methodology Limitations
- Company-owned sources dominate: Company-owned citations materially outnumber independent citations in this review. Company claims should not be treated as independently verified.
- Platform-reported dates differ: DeepSeek's research is dated 2026-02-04, while all other platforms and the authoritative run date are 2026-08-11. This date discrepancy is a methodology limitation.
- URLs not independently validated: The supplied URLs were collected from platform responses and were not independently validated by the writer stage.
- Conflicting product names: The exact US mapping of model numbers (260 vs. 600) to configurations is not consistently described across platforms and should be confirmed with a dealer.
- Pricing conflicts: Curved stairlift pricing estimates range from $3,500 to $15,000 depending on source. No platform verified a complete installed-price schedule.
- AI agreement does not prove quality: Agreement among AI platforms reflects the supplied evidence base and does not constitute independent verification of product performance.
- No personal testing: This review does not reflect personal testing, customer experience, or independent verification of Stannah's claims.
Sources
Company-Owned Sources
- Choosing the best stairlift rail: types specs & requirements - Stannah: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQGAJyk4X_IyFok5M1EPEX0cYITwNedOrvqfToGlorMyqn9sldbdDJUvduamxBfGkcVwBOaN-cnsPbTVB6av92DJYb3OxL9i_oeywpoZkTj6kRZDu3GnGyAiiZjKjuqzTDoTHahwm8UBbZq15X4=
- Stannah official website: https://www.stannah.com/
- Stannah Stairlifts for Curved Stairs: https://www.stannah.com/curved-stairlifts/
- Free Stairlift Quote | Chair Lift Quotes: https://www.stannah.com/en-us/free-quote
- Stairlift Dimensions: Perfect Fit Guide for Your Home: https://www.stannah.com/en-us/resources/stairlift-dimensions
- Stairlift Options, Models, Features and Extras: https://www.stannah.com/en-us/resources/stairlift-options
- Stairlift User Guide - Download User Manual for Stairlift Models: https://www.stannah.com/en-us/resources/stairlift-user-manuals
- Stairlift Sales & Services: Get in Touch with Stannah's Team: https://www.stannah.com/en-us/sales-services
- Stairlift Solutions for Home Accessibility and Comfort: https://www.stannah.com/en-us/stairlifts
- Curved Stairlift Solutions: Navigate Your Home Easily: 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
- Compact Standing Stair Lift for Narrow Stairs | The Sadler: https://www.stannah.com/en-us/stairlifts/sadler-chair
- How Much Does a Stair Lift Cost? Find Your Perfect Fit: https://www.stannah.com/en-us/stairlifts/stairlift-prices-and-cost
- Compact Stairlift for Narrow Staircases | Siena Stairlift: https://www.stannah.com/en-us/stairlifts/stannah-siena
- Custom Stairlift Solution from Stannah | Starla Stairlift: https://www.stannah.com/en-us/stairlifts/starla-chair
- Stannah Stairlifts – How It Works: https://www.stannah.com/how-it-works/
- Stairlift Installation Process | Installing Your Stairlift: https://www.stannah.com/our-stairlifts/installation-process
- Straight Stairlifts | Stannah: https://www.stannah.com/our-stairlifts/stairlift-for-straight-stairs
- Curved Stairlifts & Straight Stairlifts | Stannah: https://www.stannah.com/our-stairlifts/straight-or-with-turns
- 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
- Stairiser CR2 Curved Rail Stair Lift | Stannah Lifts: https://www.stannahlifts.co.uk/product/platform-lifts/inclined-platform-lift/stairiser-cr2-stair-lift
- Inclined Platform Lifts | Wheelchair Stair Lift | Stannah: https://www.stannahlifts.co.uk/products/platform-lifts/inclined-platform-lift
Additional AI research evidence77 records
- AI research evidence record perplexity:c1
- AI research evidence record openai:c2
- AI research evidence record anthropic:c1
- AI research evidence record openai:c1
- AI research evidence record openai:c10
- AI research evidence record google:c2
- AI research evidence record anthropic:c4
- AI research evidence record grok:c2
- AI research evidence record openai:c2
- AI research evidence record openai:c3
- AI research evidence record openai:c4
- AI research evidence record anthropic:c10
- AI research evidence record anthropic:c5
- AI research evidence record openai:c12
- AI research evidence record deepseek:c2
- AI research evidence record anthropic:c13
- AI research evidence record openai:c6
- AI research evidence record google:c4
- AI research evidence record openai:c8
- AI research evidence record openai:c9
- AI research evidence record anthropic:c7
- AI research evidence record openai:c10
- AI research evidence record deepseek:c3
- AI research evidence record google:c2
- AI research evidence record anthropic:c8
- AI research evidence record google:c5
- AI research evidence record grok:c1
- AI research evidence record kimi:c7
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c6
- AI research evidence record openai:c13
- AI research evidence record anthropic:c17
- AI research evidence record kimi:c5
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record grok:c1
- AI research evidence record openai:c5
- AI research evidence record openai:c6
- AI research evidence record google:c1
- AI research evidence record kimi:c6
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c11
- AI research evidence record openai:c7
- AI research evidence record anthropic:c14
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c3
- AI research evidence record openai:c11
- AI research evidence record openai:c13
- AI research evidence record anthropic:c8
- AI research evidence record google:c5
- AI research evidence record anthropic:c9
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c18
- AI research evidence record google:c2
- AI research evidence record anthropic:c17
- AI research evidence record anthropic:c19
- AI research evidence record openai:c2
- AI research evidence record google:c1
- AI research evidence record openai:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c12
- AI research evidence record anthropic:c11
- AI research evidence record kimi:c5
- AI research evidence record openai:c13
- AI research evidence record deepseek:c2
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c9
- AI research evidence record google:c2
- AI research evidence record anthropic:c8
- AI research evidence record kimi:c4
- AI research evidence record google:c3
- AI research evidence record deepseek:c3
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c6
- AI research evidence record google:c2
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c5
Independent Sources
- Split Level Stairs: 36 in Clearance + What Fits: https://itemfits.com/stair-guide/splitlevel-stairs
- Best Stairlifts for Split-Level Homes | Modernize: https://modernize.com/stair-lifts/best-brands/stannah
- Stannah In The Mountain West - Starla 260: https://stannahinthemountainwest.com/starla/starla-260-stairlift
- Curved Stairlifts For Your Home | Syracuse Elevator: https://syracuseelevator.com/residential-stair-lifts/stairway-lifts/curved-stairs/
- Stairlift Solutions for Stairs That Turn: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQFVXFMAVfujxdugaVs1M9cbcbPrV0q71eOFsjSKevTRaOhlATSh8CsUfTprquYM7vx4Hqxn1tzQtfpHB7g65f1TJ6RylYyO6tAnTAPnvonHxZQ7pzZCcDVUGyvLh62QnJ2_Q-3jWWBuHnUtN4rPAXqUp-m7zoM0QYEQ9-2V5e-fxrZ5ppOWwgcEbjyG5OV_v-iGRK0tyC6Ea3WlZXGPaCaMceQUnNRpUaeJ
- Stannah Stairlift Review 2026: Warranty, Cost & Models: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQH6Gu7mgrxaLVW1mGGs0IIwSeIoIB08SFdQvT6vtl5MrGopZMOBQc1zIThTFrgkvOyp39pEaNaBB0snFFohG2cbW4QgBl7zGpnGpy-UuIsXI8HOoW8FpDhxy3Blxd-fl4I-6AO4EvFi9PRkwg==
- Mobility Solutions for Split-Level Homes | 101 Mobility: https://www.101mobility.com/blog/the-best-mobility-solutions-for-split-level-homes/
- Stairlift Solutions for Split-Level Staircases: https://www.affordablemobility.co.uk/stairlift-solutions-for-split-level-staircases-what-are-your-options/
- Stairlift Solutions & Ideas for Split-Level Homes: https://www.mobilitypluscolorado.com/blog/stairlift-for-split-level-homes
- Stannah Stair Lifts Review: What to Know Before You Buy: https://www.ncoa.org/product-resources/mobility/stannah-stair-lift-review/
- Stannah Stair Lifts Review (2026): With Costs: https://www.retirementliving.com/reviews/stannah-stair-lifts
- Stairlift Cost Guide (2025): https://www.seniordeals.com/stairlift-cost
- Aftercare & Warranties on Stairlifts | Stannah Stairlifts Dealer: https://www.stairlifts2u.co.uk/aftercare/
Additional AI research evidence77 records
- AI research evidence record perplexity:c1
- AI research evidence record openai:c2
- AI research evidence record anthropic:c1
- AI research evidence record openai:c1
- AI research evidence record openai:c10
- AI research evidence record google:c2
- AI research evidence record anthropic:c4
- AI research evidence record grok:c2
- AI research evidence record openai:c2
- AI research evidence record openai:c3
- AI research evidence record openai:c4
- AI research evidence record anthropic:c10
- AI research evidence record anthropic:c5
- AI research evidence record openai:c12
- AI research evidence record deepseek:c2
- AI research evidence record anthropic:c13
- AI research evidence record openai:c6
- AI research evidence record google:c4
- AI research evidence record openai:c8
- AI research evidence record openai:c9
- AI research evidence record anthropic:c7
- AI research evidence record openai:c10
- AI research evidence record deepseek:c3
- AI research evidence record google:c2
- AI research evidence record anthropic:c8
- AI research evidence record google:c5
- AI research evidence record grok:c1
- AI research evidence record kimi:c7
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c6
- AI research evidence record openai:c13
- AI research evidence record anthropic:c17
- AI research evidence record kimi:c5
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record grok:c1
- AI research evidence record openai:c5
- AI research evidence record openai:c6
- AI research evidence record google:c1
- AI research evidence record kimi:c6
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c11
- AI research evidence record openai:c7
- AI research evidence record anthropic:c14
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c3
- AI research evidence record openai:c11
- AI research evidence record openai:c13
- AI research evidence record anthropic:c8
- AI research evidence record google:c5
- AI research evidence record anthropic:c9
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c18
- AI research evidence record google:c2
- AI research evidence record anthropic:c17
- AI research evidence record anthropic:c19
- AI research evidence record openai:c2
- AI research evidence record google:c1
- AI research evidence record openai:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c12
- AI research evidence record anthropic:c11
- AI research evidence record kimi:c5
- AI research evidence record openai:c13
- AI research evidence record deepseek:c2
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c9
- AI research evidence record google:c2
- AI research evidence record anthropic:c8
- AI research evidence record kimi:c4
- AI research evidence record google:c3
- AI research evidence record deepseek:c3
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c6
- AI research evidence record google:c2
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c5
Verify this research
Review the study details behind this page or download the public machine-readable verification record.
- Study date
- Aug 11, 2026
- Platforms analyzed
- 7
- Source records
- 38
- Ranking mentions
- 7 of 7
- Platform share
- 100%
- Final consensus rank
- #3
Research trail and source mix
Platforms
openai, anthropic, deepseek, grok, perplexity, kimi, google
Source mix
13 independent · 25 company-owned
Evidence support
34 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 33e023142545bd77a839579d7125a93bf28b48dd1a01beac5324c179325f7789
