Answer Capsule
Harmar is a good-to-strong fit for Shared Household Clearance when specified as a Pinnacle SL600 or SL300 straight stairlift with the optional automatic folding rail. Three of seven platforms named Harmar in the ranking stage (43% platform share), with an average listed rank of 3.3 and a best rank of 1. The strongest reason to consider Harmar is its compact folded profile—approximately 10.5–11 inches from the wall without the folding rail and 13.6 inches with it—combined with an automatic mechanical folding rail that clears the lower landing without manual effort. The main limitation is that armrests fold only manually, pricing is dealer-dependent with no published national installed price, and exact clearance dimensions must be verified with an in-home measurement before purchase.
Research Snapshot
| Metric | Value |
|---|---|
| Platform mentions in ranking stage | 3 of 7 platforms (deepseek, google, openai) |
| Share of included platform responses | 43% (3 of 7) |
| Average listed rank | 3.33 |
| Best listed rank | 1 (google) |
| Relevant product/model/plan | Harmar Pinnacle SL600 straight stairlift with optional automatic folding rail and power footrest; SL300 with folding rail |
| Overall use-case fit | Good to strong (5 of 7 platforms rated strong or good; 1 uncertain; 1 not ranked) |
| Research date | 2026-08-13 |
Why Harmar Qualified for This Study
Harmar qualified because its Pinnacle SL300 and SL600 models are straight stairlifts marketed specifically with fold-away features relevant to shared stairways: an optional automatic folding rail, power or auto-folding footrest options, and compact folded widths [1]. The company explicitly markets the Pinnacle SL600's compact folded profile as ideal for high-traffic areas and stairs that need to remain accessible to others [4]. Three platforms—deepseek, google, and openai—named Harmar during the ranking discovery stage, placing it among the finalists for this use case.
The Product, Model, Plan, or Service Most Relevant to Shared Household Clearance
The most relevant configuration is the Harmar Pinnacle SL600 straight stairlift with the optional automatic folding rail and optional power footrest. This is the model with the strongest verified documentation for shared-stairway clearance [5]. The SL300 is a budget alternative with a similar folding-rail option, but its folding-rail documentation was less clearly verified in the supplied evidence. The SL600HD heavy-duty model has separate warranty terms and a wider folded footprint (16.5–17 inches) and should not be assumed equivalent [7].
What the AI Platforms Agreed About
Strong agreement: Harmar's compact folded profile is a genuine advantage for shared stairways. Five of seven platforms rated Harmar strong or good for this use case. The SL600 folds to approximately 10.5 inches from the wall without the folding rail and 13.6 inches with it [8]. The SL300 folds to approximately 11 inches from the wall (13.6 inches with the folding rail) [10]. These dimensions minimize obstruction for other household members [12].
Strong agreement: The automatic folding rail is directly relevant to clearing the lower landing. The rail deploys automatically as the lift approaches the hinge while traveling and folds back up when parked, eliminating tripping hazards without manual intervention [14]. It is fully mechanical and automatic [17].
Strong agreement: Obstruction sensors are present on the footrest and chassis. The SL600 lists chassis and footrest obstruction sensors [8]. The SL300 includes a footrest sensor as standard, with the chassis sensor optional. These sensors stop the lift if an obstacle is detected [18].
Strong agreement: The power footrest is an option, not standard. Both SL300 and SL600 offer a power footrest as an optional upgrade [19]. The SL600 documentation describes a rocker switch beneath the armrest [14].
Strong agreement: Warranty excludes labor. Multiple platforms noted that Harmar's warranty covers parts but excludes labor, maintenance, and adjustments [22].
Strong agreement: Straight-only models. The SL300 and SL600 are straight stairlifts; curved or multi-landing staircases require different Harmar models.
Where the AI Platforms Disagreed or Were Uncertain
Fit rating varied from strong to uncertain. Google, grok, kimi, and deepseek rated Harmar "strong"; openai and anthropic rated it "good"; perplexity rated it "uncertain" because the checked evidence did not fully verify folded-depth measurements, sensor behavior, or warranty terms.
Folded-width figures conflict slightly. The official SL600 sell sheet lists 13.6 inches with the folding rail, while some dealer listings describe approximately 13.0 inches. The SL300 is cited as 11 inches from the wall in one source and 13.5 inches in another [24]. Buyers should verify the dimension for the exact rail and installation configuration.
Warranty scope for the drivetrain is inconsistent across sources. Some independent sources cite a "limited lifetime warranty on drivetrain" (motor, gears, track) for the SL600, while Harmar's official documentation states a 3-year parts warranty [26]. The official SL600 owner's manual states lifetime coverage for specified mechanical drive components, three years for other parts and electrical components, and one year for batteries [27].
Battery trip counts vary. The SL300 is cited as providing up to 40 trips on battery in some sources and 60 in others.
Pricing estimates vary widely. Deepseek estimated SL300 at $2,500–$4,000 installed and SL600 at $3,000–$5,000; google estimated SL300 at $3,000–$4,500 and SL600 at $4,000–$5,400; kimi estimated $3,500–$6,500 for premium configurations. One dealer listed the SL600 folding-rail configuration at $6,410 with a $725 installation option [28].
Whether the automatic folding rail is standard or optional on the SL600 varies by source. Some dealer sites list it as included; others list it as an upgrade.
Use-Case-Specific Features and Capabilities
Folded depth and parked footprint. The SL600 folds to 10.5 inches from the wall without the folding rail and 13.6 inches with it [29]. The SL300 folds to approximately 11 inches from the wall (13.6 inches with the folding rail) [31]. The lift can be sent up the stairwell between uses via remote call/send controls, keeping the lower landing clearer [32].
Folding rail availability. An automatic folding rail is available for both SL300 and SL600 [33]. It activates automatically as the chassis approaches the hinge while traveling [32]. Left- and right-side configurations appear possible, but the correct side must be verified with the installer [29].
Automatic footrest. The power footrest is an option on both models [35]. The SL600 owner's manual warns that the footrest must complete its movement and not be obstructed [32].
Armrest folding ease. Armrests fold manually, not automatically [38]. No powered armrest folding is offered. This requires user or caregiver action [40].
Obstruction sensor sensitivity. Sensors are present on the footrest and chassis [29]. Public materials describe their presence and general stopping function but do not provide sensitivity thresholds, false-stop rates, or independent testing specific to shared-household traffic.
Installation fit. The rail mounts to stair treads rather than the wall [42]. Installation requires at least 2 inches of clearance between the underside of the rail and stair noses and at least 3 inches from the folding section to the wall [43]. The SL300 fits staircases as narrow as 28 inches [44].
Warranty coverage. The SL600 owner's manual states lifetime coverage for specified mechanical drive components, three years for other parts and electrical components, and one year for batteries [45]. Registration is required within 10 days of installation [45]. Labor, maintenance, adjustments, consequential damage, and some repair expenses are excluded [45]. Outdoor and commercial installations are excluded [45]. The SL300 offers 2-year parts, 10-year gear rack, and 1-year battery coverage [46].
Pricing, Fees, Contracts, and Ongoing Costs
No single national installed price is published. Harmar sells through authorized dealers, and MSRP is not publicly posted. Dealer listings in 2026 show substantial variation:
| Configuration | Price | Source |
|---|---|---|
| SL600 with left folding rail | $6,410 (plus $725 installation option) | [47] |
| SL600 with folding rail (another dealer) | ~$5,885 | [48] |
| Generic Harmar folding-rail straight lift | ~$5,435 | [48] |
| SL600 (16-foot staircase, one dealer) | $4,260 | |
| SL300 base installed range | $3,000–$4,500 | |
| SL600 base installed range | $4,000–$5,400 | |
| Automatic folding rail upgrade | $525–$1,695 | , |
Additional fees may include: installation labor, travel charges, electrical outlet installation, custom rail extensions beyond 15'6", permit fees, power swivel seat or power footrest upgrades, battery replacement, and annual maintenance contracts.
Contract and cancellation terms. Harmar stairlifts are generally non-returnable due to hygiene, safety, and custom-made nature [49]. Professional dealer installation is required; self-installation or unapproved modifications void the manufacturer warranty. No standard Harmar purchase contract, cancellation policy, or nationwide service-plan terms were identified in the reviewed sources.
Pricing confidence is low. Dealer prices vary substantially by configuration, retailer, installation package, and date; they should not be treated as a national Harmar price.
Best Suited For
Harmar is best suited for households with straight stairways where other members need the lower landing kept relatively clear. Specific best-fit scenarios include:
- Families with narrow straight staircases where space clearance is critical
- Households prioritizing a compact folded footprint and automatic rail movement
- Buyers who want a 350-pound-capacity lift with optional power footrest and remote call/send controls
- Homes where an automatic folding rail eliminates tripping hazards at the landing
- Pet owners and families who want a clean, grease-free rail that does not attract dirt
Probably Not Best Suited For
- Households requiring automatic armrest folding. Harmar offers manual armrest folding only.
- Buyers needing a published, all-in installed price. No national price exists; dealer quotes vary widely.
- Curved or multi-landing staircases. The SL300/SL600 are straight-only.
- Outdoor or commercial installations. These are excluded under the standard SL600 warranty [50].
- Budget-constrained buyers seeking sub-$3,500 options. Base pricing begins around $3,000–$4,000 plus installation.
- Buyers uncomfortable with non-returnable policies. Harmar stairlifts are generally non-returnable once installation begins.
When Another Option May Be Better
- Curved staircases: Consider Stannah or Bruno curved models.
- Automatic armrest folding required: Harmar does not offer this; competitor research recommended.
- Full refund/return flexibility essential: Harmar's non-returnable policy may be unacceptable risk.
- Budget under $4,000 all-inclusive: Compare with brands like Acorn or Silver Cross.
- Highest weight capacity exceeding 600 lbs: The SL600HD maxes at 600 lbs.
- Installation warranty or labor coverage critical: Harmar excludes labor from warranty.
- Tighter stairway with stronger documented clearance specs: Another vendor may provide better documented clearance dimensions.
Questions to Verify Before Buying
- What is the exact folded width, height, and swing envelope of the selected unit with the folding rail, power footrest, seat, and armrests folded?
- Will the rail park fully clear of the lower landing, doorway, hallway, and any adjacent handrail?
- Which folding-rail side is appropriate for this stairway, and can the rail be reconfigured if household traffic patterns change?
- Is the automatic folding rail included in the quoted price, or is it an option with a separate installation charge?
- Is the power folding footrest included, and does it add any clearance or maintenance requirements?
- Can all household members easily fold the seat and armrests, and can they safely pass the parked lift?
- How do the chassis and footrest sensors behave around pets, shoes, toys, and normal household traffic?
- What exact stair and landing measurements are required, including wall clearance, stair-nose clearance, and bottom-landing clearance?
- What local code or permitting requirements apply to the installation?
- What is included in the written quote for installation, travel, electrical work, rail modifications, removal, and future service?
- Who performs warranty service locally, and are labor, travel, batteries, and service calls covered?
- What are the dealer's cancellation, return, removal, relocation, and resale terms?
- Which warranty applies to the exact model and accessories, and has the warranty registration deadline been met?
- Does your staircase width accommodate a 28-inch minimum (SL300) or 30-inch (SL600) footprint after rail installation?
- Does your local dealer offer extended warranty coverage, and is the $300–$600 cost justified for 5-year total coverage?
Final AI Consensus Verdict
Harmar is a good-to-strong fit for Shared Household Clearance when specified as a Pinnacle SL600 with the automatic folding rail and, where useful, the power footrest. The strongest evidence is the compact stated folded width (10.5–13.6 inches depending on configuration), automatic rail operation, remote parking function, and obstruction sensors. Five of seven platforms rated Harmar strong or good for this use case; one rated it uncertain due to unverified clearance metrics.
The consensus is clear: Harmar should not be selected solely from brochure dimensions. The buyer should require an in-home measurement and a written installed quote confirming the parked footprint, rail swing, armrest usability, sensor behavior, and service charges. The non-returnable policy and dealer-dependent pricing create real buyer risk that must be managed through documentation before purchase.
For a full comparison of folding stairlift options for shared stairways, see the Shared Household Clearance consensus index. For other stairlift categories and use cases, browse the stairlifts directory.
How This Review Was Produced
This review synthesizes fit-research responses from seven AI platforms (openai, anthropic, deepseek, grok, perplexity, kimi, and google), each of which evaluated Harmar against the Shared Household Clearance criteria: folded depth, folding rail availability, automatic footrest, armrest folding ease, obstruction sensor sensitivity, parked footprint, installation fit, and warranty coverage. The authoritative research date is 2026-08-13. Platform responses were collected, deduplicated, and normalized into the findings above. Each factual claim is cited to its source using the platform's citation ID.
Methodology Limitations
- Platform-reported dates differ from the authoritative run date. Deepseek's research date is 2026-01-20, while the authoritative run date is 2026-08-13. This discrepancy is disclosed as a methodology limitation.
- All included platforms evaluated fit, but platform_mentions counts only platforms that named the entity during ranking discovery. Three of seven platforms named Harmar in the ranking stage.
- Conflicting product names, pricing, and capabilities were not resolved by guessing. Conflicts are described and buyers are told what to verify.
- The supplied URLs were collected from platform responses and were not independently validated by the writer stage.
- AI-platform agreement does not prove product quality. It reflects the platforms' assessment of available evidence.
- No personal testing, customer experience, or independent verification was performed.
- Some claims are company-reported (from Harmar's own documentation) and are labeled as such where relevant.
Sources
Company-Owned Sources
- Harmar Pinnacle SL600 Owner's Manual: https://cdn.harmar.com/wp-content/uploads/2025/01/09020245/SL600_Owners-Manual.pdf
- Harmar official website: https://www.harmar.com/
- Pinnacle Stairlifts by Harmar: https://www.harmar.com/accessibility/stairlifts/pinnacle
- How Much Does a Stairlift Cost? Complete Pricing Breakdown – Harmar: https://www.harmar.com/blog/how-much-does-a-stairlift-cost-complete-pricing-breakdown/
- Harmar Stairlift Warranties and Manuals: https://www.harmar.com/manuals-and-warranty
- SL300 Pinnacle Stairlifts – Harmar: https://www.harmar.com/products/sl300/
- SL600 Pinnacle Premium Stairlifts – Harmar: https://www.harmar.com/products/sl600/
- Stairlifts - Harmar: https://www.harmar.com/stair-lifts/
- Stair Lift Options & Accessories | Harmar: https://www.harmar.com/stair-lifts/options-and-accessories/
- Pinnacle | Straight Stair Lift | Harmar: https://www.harmar.com/stair-lifts/straight/pinnacle-sl300/
- Pinnacle Premium | Straight Stair Lift | Harmar: https://www.harmar.com/stair-lifts/straight/pinnacle/
- Stair Lift Warranties | Harmar: https://www.harmar.com/stair-lifts/warranties/
- Stairlift Guide – Harmar: https://www.harmar.com/stairlift-guide/
- Harmar Pinnacle SL600 Installation Manual: https://www.harmar.com/wp-content/uploads/2025/01/SL600_Installation-Manual.pdf
- Harmar Pinnacle SL600 Owner's Manual: https://www.harmar.com/wp-content/uploads/2025/01/SL600_Owners-Manual.pdf
- Harmar Pinnacle Stair Lift SL600 Sell Sheet: https://www.harmar.com/wp-content/uploads/2025/01/SL600_Sell-Sheet.pdf
- Harmar Pinnacle SL600HD Owner's Manual: https://www.harmar.com/wp-content/uploads/2025/01/SL600HD_Owners-Manual.pdf
Additional AI research evidence50 records
- AI research evidence record openai:c1
- AI research evidence record anthropic:c2
- AI research evidence record kimi:c1
- AI research evidence record kimi:c9
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c6
- AI research evidence record openai:c1
- AI research evidence record google:1.3.1
- AI research evidence record google:1.1.1
- AI research evidence record grok:c1
- AI research evidence record anthropic:c2
- AI research evidence record anthropic:c6
- AI research evidence record openai:c2
- AI research evidence record anthropic:c8
- AI research evidence record google:1.2.3
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c7
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c9
- AI research evidence record kimi:c4
- AI research evidence record openai:c5
- AI research evidence record deepseek:c1
- AI research evidence record google:1.1.1
- AI research evidence record kimi:c2
- AI research evidence record google:1.4.6
- AI research evidence record openai:c5
- AI research evidence record openai:c7
- AI research evidence record openai:c1
- AI research evidence record google:1.3.1
- AI research evidence record google:1.1.1
- AI research evidence record openai:c2
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c8
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c9
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c3
- AI research evidence record anthropic:c10
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c2
- AI research evidence record kimi:c7
- AI research evidence record openai:c3
- AI research evidence record anthropic:c11
- AI research evidence record openai:c5
- AI research evidence record anthropic:c5
- AI research evidence record openai:c7
- AI research evidence record openai:c8
- AI research evidence record anthropic:c13
- AI research evidence record openai:c5
Independent Sources
- Harmar SL300 Pinnacle Stair Lift | Mobility Masters: https://mobilitymasters.com/pinnacle-sl300/
- Residential Stairlift Warranty Comparison Guide 2026 | Brand-by-Brand: https://porchlightathome.com/blog/stairlift-warranty-comparison-guide/
- Harmar Premium Pinnacle SL600 Straight Stair Lift - HomePro Mobility: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQEgmgOyLMqYTZnCB0wFCnyp53_zYHEtwq-KPvGQp2UIx7dYEOudL1ObB2C41zL-hLyN1V-pHGAopEPMLOp1x7fX989F2aQ7YMbVlwWZb-T1BMVa0t1MoZJeRijUcZK60bBGkDCz0utvA5qVP3Fgw652m8LmswLZi3Ofn5BpDA==
- The Ultimate, In-Depth Guide to the Harmar Pinnacle SL600 Stairlift - USA Medical Supply: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQEVZF7fCUzDp6Kug_yo3F83IL6JKoOloZAta2KUbgi6PtdF0aLSbIFZ02d4Gn9Pua-UygExkoGVEYE0quNIsRo4D0k62jE3oLaDsMBC000RIk6kmxbV9eTYzfN4j05oQmx0BOe_9-4xMLbnk1T76pm9VBlkGtJRsqSZHfd2lEBqOeikeNYFC80lUfq4egeVroNSgioMtkSsbvxvORE7SOA=
- Harmar Pinnacle Stair Lift w/Folding Rail - Right handed, 300 lbs | Mobility Mart: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQFC3GlZcHMU6TO3wzuuVHV1St1RkoW2X9lwKxz1kRzE-8y2Yfhp4aCHWccfDzDcr2JvhVK7Pvlh1SeoOafxd6nU2qdLmAVKFROTaE3sBGAo0kddkFreIL7SCITDSxp9j_-UKNqiR4tERQRLXLbETjd90T1V1gDuef3cGA==
- Harmar Pinnacle Premium Stair Lift - SpinLife: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQFd1HXn6YADT6RqOboDVj__sHPnk7fieN5Vak2ZdLzLi2ysM7RGutPNAZxSaHRYJvA-drgrpaisqRy-6IdlX1R8CPDtfCZzu1QrmKeW3W-tkM99K6-7QDIj0NnikxaXGVG0mFRdRc4oEivLTYPivt-hFN264o61CcmLTWYIBXBgEVDfLFSl8S5DQIrEitUjQrYd6YbHG-km
- How Much Does a Stair Lift Cost? - Keystone Accessibility: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQFh6BV29eBB1W64dr9KNbLCtRy3hWFGXizntmX5soCT2Hc3CCZ5mjkkJIbNgXrSXyt--KpHvVr5Hfb6d0IBfsmumKgK0kxMUg_OPBOwyU7exmFtcSSM6Cvl4FhOlb9pG9i15WwHyixWklAhFu_P9lwx3QhPRgQBkTDFZ0hqYEmmS370pk8eT8d0
- Get Harmar Pinnacle SL300 Stairlift Installation - HomePro Mobility: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQGxSBBiusD4uMqSTGGCAIUJURwIyKUTjNy-jE47nCDRYVAc2jaoPkZiRZyRGksG35SQrpyCL87bC2Kq9OcRT0HVNmWtqbAruzNwxHlWC0rHcCvKVAiV5z09ULvE-IMQrR3sCtKO3ps94xguS0aoJ9kshyNy_jsVKerVKB1LsjX8
- Harmar SL300 Pinnacle Stairlift: Your Guide to Safe and Affordable Mobility: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQGZNDyKXLO9n3vGgGV0CjRfCUXs8nnQUhPw-YGc2Ojat1zXjy9lSASPbtBejgTXkLnbWwMWjGxSM4dv8I27Nr3QH3Hnd6nFKegvXhxv4aLcZXEcd7BxUlBFIrku-4PjetCtXgqLN5XhuojALMN9gWzq7KkCk4vvRNuSxFRJIKsNFcAI-aQZtBGC_Mhbb9JTKRMAGBZ1uaGvtNov1rvlEHxE7qbL-Xc6Dw==
- Harmar SL600 Pinnacle Premium Stair Lift - HOME HEALTH PAVILION: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQHQHU0GLVmf-1MwoBec7jEuX5XG6EVgA2dskG5wKWvQaNxt7UCg9poDdI7wFDqqAsDvGiDc_ZgpFkBPO5KL03HKd8XhOeMm_l0rg4BwnzrQe7FpwM7klA-ZmJYKLLPxLfg4QYof7xWOsLL42KUaBNc1E_hunIyhc7l6F8rg6XOzJ8nYLA==
- Why the Harmar SL300FR with Folding Rails Excels in 2025: The Ultimate Stairlift Solution for Accessibility: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQHyaeJeAFeCumcbIq0i7fVaQPzx78jcgtL7EdAGyzq5PGbl6-PLXZ9_S6IhROZ_bsQZTILcdAZapFrhHHcS1dX42RV7Uri_C6H39l44ViB8rFeH5rkmQA9zA8qeMHuegzVVPmZhkJLW_Ugw3GJFi2PnVvtTHIjLkYnA-Y50GcTVbV7QMrouk5cWY8KMgeVl3FbZLMhWPLqkSh-DVZ_B0JPCC_FXHJRApO8xJsZSbXVpYEg7-T7qu6Elhzf_tHrvVzIDOj7tNmg45w==
- Harmar Pinnacle Stair Lift-HD Warranty Information | AmeriGlide: https://www.ameriglide.com/warranty/pinnacle-stair-lift-hd.html
- Harmar Pinnacle Premium Stairlift with Folding Rail: https://www.discountramps.com/mobility/aids/stair-lifts/p/SL600FR-LH/
- Harmar Pinnacle SL300 Straight Stair Lift - HomeAccessProducts.com: https://www.homeaccessproducts.com/product/sl300-pinnacle-straight-stair-lift/
- Harmar Pinnacle Premium Stairlift - 350 lb. Capacity | Mobility Mart: https://www.mobilitymart.com/mobility-aids/stair-lifts/p/sl600/
- Mobility Equipment Specials: https://www.mobilityplus.com/ohio/northfield/specials/
- Harmar Pinnacle Stair Lift - SpinLife: https://www.spinlife.com/Harmar-Pinnacle-Stair-Lift-Stair-Lifts/spec.cfm?productID=119820
- Harmar Stairlift Reviews: https://www.stairliftreviews.com/harmar-stairlifts
- Harmar SL600 Straight Home Stair Lift | Home Accessibility: https://www.unitedaccess.com/us/en/mobility-products/home-accessibility-solutions/indoor-outdoor-stair-chair-lifts/harmar-sl600-straight-home-stair-lift.html
Additional AI research evidence50 records
- AI research evidence record openai:c1
- AI research evidence record anthropic:c2
- AI research evidence record kimi:c1
- AI research evidence record kimi:c9
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c6
- AI research evidence record openai:c1
- AI research evidence record google:1.3.1
- AI research evidence record google:1.1.1
- AI research evidence record grok:c1
- AI research evidence record anthropic:c2
- AI research evidence record anthropic:c6
- AI research evidence record openai:c2
- AI research evidence record anthropic:c8
- AI research evidence record google:1.2.3
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c7
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c9
- AI research evidence record kimi:c4
- AI research evidence record openai:c5
- AI research evidence record deepseek:c1
- AI research evidence record google:1.1.1
- AI research evidence record kimi:c2
- AI research evidence record google:1.4.6
- AI research evidence record openai:c5
- AI research evidence record openai:c7
- AI research evidence record openai:c1
- AI research evidence record google:1.3.1
- AI research evidence record google:1.1.1
- AI research evidence record openai:c2
- AI research evidence record anthropic:c4
- AI research evidence record anthropic:c8
- AI research evidence record anthropic:c1
- AI research evidence record anthropic:c9
- AI research evidence record kimi:c4
- AI research evidence record anthropic:c3
- AI research evidence record anthropic:c10
- AI research evidence record kimi:c5
- AI research evidence record anthropic:c2
- AI research evidence record kimi:c7
- AI research evidence record openai:c3
- AI research evidence record anthropic:c11
- AI research evidence record openai:c5
- AI research evidence record anthropic:c5
- AI research evidence record openai:c7
- AI research evidence record openai:c8
- AI research evidence record anthropic:c13
- AI research evidence record openai:c5
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
- 40
- Ranking mentions
- 3 of 7
- Platform share
- 43%
- Final consensus rank
- #3
Research trail and source mix
Platforms
openai, anthropic, deepseek, grok, perplexity, kimi, google
Source mix
21 independent · 19 company-owned
Evidence support
37 direct · 3 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 efa110f9948ef9b19f0102d84eb0ea97867f522c9907d0e845ea5b892166ae38
