The research in brief
ATAS Authorized Installer Network is a good fit for a homeowner who specifically wants an ATAS standing-seam metal roof and is willing to vet a local independent installer, but it is not a single installing company. Two of the seven platforms that evaluated fit named ATAS Authorized Installer Network during the ranking stage (DeepSeek, ChatGPT), placing it at an average listed rank of 4.0 and a best rank of 3. The strongest reason to consider it is ATAS's metal-specific standing-seam product line (Dutch Seam, Field-Lok) paired with manufacturer warranty programs tied to authorized installers. The main limitation is that ATAS manufactures rather than installs, so workmanship, pricing, and service depend on the contractor you hire.
Research Snapshot
| Field | Finding |
|---|---|
| Platform mentions in ranking stage | 2 of 7 platforms (DeepSeek, ChatGPT) |
| Share of included platform responses | 28.6% |
| Average listed rank | 4.0 |
| Best listed rank | 3 |
| Relevant service or product | ATAS residential standing-seam or metal-panel roof system (Dutch Seam, Field-Lok, Garner Lock) installed under an ATAS warranty program |
| Overall use-case fit | Good, with a material qualification: strong as a manufacturer and warranty platform, dependent on the local installer |
| Research date | 2026-09-30 |
Why ATAS Authorized Installer Network Qualified for This Study
Questions explored
- Is ATAS Authorized Installer Network a good choice for metal roofing installation?
- Why did only two AI platforms name ATAS Authorized Installer Network in the ranking stage?
ATAS Authorized Installer Network qualified because it cleared the study's minimum-mention threshold and matched the buyer's stated priorities: metal specialization, quality panel sourcing, seam and fastening engineering, energy efficiency, and warranty coverage on the metal system. Two of the seven platforms that evaluated fit named the entity during ranking discovery - DeepSeek at rank 3 and ChatGPT at rank 5 - giving it a 28.6% share of included platform responses [2].
The entity is a manufacturer-authorization program rather than a roofing contractor. ATAS International states that it manufactures products rather than installing them, and provides representative and contractor-referral support instead of documenting itself as the installing contractor [19]. That distinction is the reason it qualified for a metal-roofing study at all: the product line is metal-specific, and warranty eligibility is tied to authorized installers [25]. It is also the reason the fit is conditional rather than clean.
The service or product in focus
Questions explored
- Which ATAS product should a homeowner choose for a residential standing-seam metal roof?
- Is ATAS Dutch Seam or ATAS Field-Lok the better fit for a low-slope or high-wind roof?
The most relevant offering is an ATAS residential standing-seam or metal-panel roof system - especially Dutch Seam or Field-Lok - installed by a qualified contractor under an ATAS warranty program [7].
Dutch Seam is a continuous standing-seam structural panel with an integral lock and seam, concealed clip fastening, no separate seam cap, a 1.5-inch seam, and a stated minimum slope of 2:12 [7]. It is offered in aluminum, metallic-coated steel, 55% Al-Zn-coated steel, copper, and zinc, with 70% PVDF finishes and more than 40 stock colors listed on the product page [7]. Field-Lok is a mechanically field-seamed alternative using expansion clips, with double-lock and triple-lock options and seam heights from 1 inch to 2⅜ inches [21]. Grok also lists Colonial Seam and a PC System among ATAS standing-seam profiles [5]. Deepseek and Kimi reference a "Garner Lock" profile in addition to Dutch Seam [2].
Platforms disagreed on the residential warranty headline. Google reported a 50-year limited residential material warranty with 20-year paint coverage expandable to 30 years on request [29]. OpenAI and Claude both describe a 20-year limited product warranty, a 30-year PVDF chalk-and-fade warranty, and paid limited weathertightness programs [9]. The exact warranty applicable to a quoted panel and finish must be confirmed in writing.
What the AI Platforms Agreed About
Questions explored
- What do AI platforms agree on about ATAS Authorized Installer Network for metal roofing installation?
- Does ATAS manufacture the panels or install the roof?
Platforms agreed unanimously on the structural fact that shapes every other finding: ATAS is a metal-panel manufacturer, not the installing contractor. OpenAI states ATAS manufactures products and does not install them [19]. Anthropic states ATAS International is the manufacturer and does not directly install roofs [25]. Deepseek states ATAS markets an authorized-installer network and no ATAS-branded installation crew was identified [2]. Perplexity states public ATAS pages emphasize a nationwide network of dealers, distributors, and installers rather than a single standardized ATAS-branded installation service [19]. Kimi reaches the same conclusion [2].
Platforms also agreed on the product engineering. Multiple platforms describe concealed-fastener standing-seam systems with integral or mechanically formed seams, clip fastening, and thermal-expansion accommodation [7]. Google adds that Dutch Seam uses anchor clips at the low points to resist seam rotation during wind uplift [14].
A third area of agreement is warranty gating. OpenAI, Claude, Grok, and Perplexity all report that ATAS weathertightness warranty programs require authorized installers, inspections, approved details, and additional fees [9]. Independent trade coverage states that authorized installer status indicates training and eligibility for extended warranty, and that lack of authorization means standard manufacturer warranty only with no workmanship coverage [25].
Where the AI Platforms Disagreed or Were Uncertain
Questions explored
- Is ATAS Authorized Installer Network a formal national installation program or a loose dealer designation?
- How long is the ATAS residential metal roof warranty, and which document controls?
Fit ratings were split. OpenAI, Claude, Gemini, and Grok rated the fit good; DeepSeek and Perplexity rated it mixed; Kimi rated it uncertain [9]. That spread reflects genuine unresolved questions rather than a settled verdict.
The first unresolved question is what the entity actually is. The supplied identity describes an "ATAS Authorized Installer Network," but the reviewed ATAS pages primarily describe manufacturer support, representative referrals, and contractor resources rather than a clearly defined nationwide consumer installation network [23]. Anthropic states that no separate legal entity called "ATAS Authorized Installer Network" exists and that this is a brand reference to ATAS's distributor and contractor authorization program [25]. Kimi could not determine whether the network is a formal program with binding standards or a loose dealer designation [2].
The second is warranty length and structure. ATAS FAQ language refers to standard 20-year material and finish coverage, while the warranty page separately describes a 30-year PVDF chalk-and-fade warranty; the exact warranty applicable to the quoted panel and finish must be confirmed in writing [9]. Anthropic reports that the contractor carries workmanship liability for the first two years and ATAS covers years 2 through 20, with aggregate liability limited to the original material invoice [24]. Google reports a 50-year residential material warranty [29]. These are not reconciled in the supplied evidence.
The third is installer network transparency. Anthropic states installer network size, geographic distribution, and quality standards are not publicly disclosed, and the ATAS website does not provide a searchable directory, installer count, or vetting criteria [25]. Google states there is no public interactive consumer directory to filter certified residential installers, and homeowners must contact regional sales representatives by zip code [17]. OpenAI notes that no public evidence was found establishing the selected contractor's licensing, insurance, certification status, residential project history, complaint record, or local availability [9].
A fourth uncertainty is coastal suitability. The warranty explicitly excludes salt spray, while ATAS offers copper and zinc materials designed for corrosive environments; whether those materials carry modified warranty terms is not stated [24].
Features for this home service need
Questions explored
- What seam, fastening, and energy-efficiency features does an ATAS standing-seam roof offer?
- Does an ATAS metal roof deliver documented energy savings for a homeowner?
Seam and fastening. ATAS states that Dutch Seam panels snap together and are secured with clips, while Field-Lok uses expansion clips and mechanical field seaming [7]. Anthropic describes Dutch Seam as integrating the lock and seam into the panel, eliminating separate seam caps prone to blow-off or creeping, and identifies mechanical-lock profiles such as Field-Lok 2⅜" as the durable choice for wind uplift, ice damming, or coastal salt air [25]. Independent trade coverage states that mechanical-lock seams are required for low-slope and high-wind applications, while snap-lock is adequate for 3:12 and steeper slopes [25]. These published system details support a concealed-fastener design, but they do not independently establish the workmanship quality of a particular installer [7].
Material sourcing. Anthropic reports ATAS manufactures panels in-house from minimum G90 galvanized steel, aluminum at.032 or.040 gauge, copper, zinc, or stainless steel, formed and finished at facilities in Allentown PA, Mesa AZ, University Park IL, and Elkton MD, with ISO 9001:2015 certification [10]. Grok reports panels in steel, aluminum, and copper with 70% PVDF finishes and a minimum G90 galvanized steel base [3]. Kimi states ATAS products use galvalume steel substrates with Kynar 500 PVDF or SMP coatings according to industry-standard product descriptions, but that specific substrate origins, mill certificates, or coating durability claims were not independently verifiable [2].
Energy efficiency. ATAS states that metal systems can support ENERGY STAR, CRRC, and LEED-related requirements and describes above-sheathing ventilation as potentially reducing summer cooling costs and adding winter insulation value [19]. Anthropic reports cool roof coatings can reduce solar heat gain and lower cooling costs by up to 25% in high-sun climates, with Above Sheathing Ventilation energy savings tested at Oak Ridge National Laboratory [10]. Google reports ATAS panels accommodate ENERGY STAR and CRRC standards and support ASV shim installations [15]. Grok found no specific cool roof ratings or efficiency certifications in its reviewed sources [5]. Actual energy performance depends on color, coating, ventilation, insulation, roof assembly, climate, and installation; no homeowner energy savings should be assumed from the panel alone [19].
Installation quality controls. ATAS provides metal-roof installation training materials and promotes certification opportunities, including NRCA ProCertification participation [8]. Google reports ATAS operates a contractor certification program validating contractors who pass technical training and the Metal Construction Association installation exam [16]. However, the public materials reviewed do not prove that every member of an alleged ATAS Authorized Installer Network is certified, continuously monitored, or covered by the same workmanship standard [8].
Pricing, contracts, and ongoing costs
Questions explored
- How much does an ATAS standing-seam metal roof cost per square foot installed?
- What fees and contract terms apply to an ATAS weathertightness warranty?
No public installed price, network membership price, or standardized homeowner contract was found [9]. Pricing confidence is low across every platform that addressed it. ATAS product pages provide pricing access or inquiry functions rather than a published installed price [9].
Industry benchmarks, not ATAS-specific quotes, are the only cost anchors in the supplied evidence. Grok reports general US standing seam installed costs of $12.75–$34 per square foot depending on material [9]. Anthropic cites $12–$18 per square foot installed for 24-gauge standing seam with Kynar 500 finish and a 25-year workmanship warranty [25]. Kimi reports a $10–$30 per square foot range with regional variation: San Diego $10–$18, South Florida $15–$30, broader US $12–$20 [1]. These are third-party benchmarks and do not establish what an ATAS system will cost at a specific address.
Known cost components include roofing materials and accessories, installer labor and project-specific estimating, potential tear-off, disposal, deck or substrate repair, flashing, ventilation, snow retention, permits, and other site-specific work [9]. Kimi lists plywood redecking at $3,000–$7,500 and skylight flashing integration at $450–$1,200 each from a Los Angeles contractor, plus roughly $2 per square foot for metal-over-shingle with furring strips [12]. Custom colors, nonstandard materials, special panel lengths, and project-specific accessories may involve additional cost or lead time; exact amounts are unclear [9].
Warranty fees and conditions. ATAS states that limited weathertightness warranties are subject to additional fees, terms, and conditions [9]. Anthropic reports warranty inspection and registration fees, shop drawing and technical review fees, roof evaluation and final inspection by an ATAS authorized roof inspector, optional custom color matching surcharges, and touch-up paint at unspecified cost [25]. Perplexity confirms some weather-tightness warranties are subject to a fee and require inspection [19].
Contract terms. No standardized public homeowner contract or cancellation policy for the Authorized Installer Network was identified [9]. Anthropic reports the 20-year Standard Limited Weathertightness Warranty is valid only if the invoice is paid in full per standard terms, is non-transferable, requires written notice of leaks within 30 days of discovery, requires proof of purchase for registration, and voids if repairs are undertaken without ATAS authorization [24]. Google reports manufacturer product warranties must be signed jointly by the installing contractor, the building owner, and ATAS to become valid, and that contracts and cancellation policies are governed entirely by the independent installing contractor [28]. The installer's separate workmanship warranty, payment schedule, change-order rules, insurance, permit responsibility, and cancellation terms must be obtained from the selected contractor [9].
Best Suited For
Questions explored
- Who is ATAS Authorized Installer Network best suited for in a metal roofing installation?
- Is ATAS a good fit for a homeowner who wants a manufacturer-backed weathertightness warranty?
ATAS Authorized Installer Network is best suited for homeowners choosing a standing-seam metal roof over asphalt shingles who want manufacturer-supported details, compatible trims, and a formal ATAS weathertightness warranty [9]. It fits buyers who want to ensure the installer holds formal authorization on the specific panel system being installed, and who live in regions with multiple ATAS authorized installers available for competitive quotes [25]. It also fits projects requiring compliance with LEED, ENERGY STAR, or CRRC energy efficiency standards via cool roof coatings, and roofs suitable for the selected panel's slope, substrate, climate, and code requirements [10].
Google adds that the network suits homeowners seeking high-end structural standing-seam roofs like Dutch Seam, properties requiring custom architectural color matching, coastal or severe-weather homes needing premium aluminum or heavy-gauge panels, and turnkey performance backed by manufacturer-inspected weathertightness warranties [29]. Deepseek frames the best fit as homeowners who have already identified a local contractor that is an ATAS authorized installer and who are willing to separately vet that contractor's workmanship [2].
Probably Not Best Suited For
Questions explored
- Who should not choose ATAS Authorized Installer Network for metal roofing installation?
- Is ATAS a poor fit for a homeowner who wants one turnkey company with published pricing?
ATAS Authorized Installer Network is probably not best suited for buyers who want one nationally standardized installation company with transparent published prices [9]. It is a poor fit for homeowners in geographic areas with limited or no ATAS authorized installers available, since availability by region is uncertain and not publicly mapped [25].
It is also a weak fit for coastal or highly corrosive environments where materials beyond standard Galvalume are preferred, because the warranty explicitly excludes salt spray and corrosive atmospheric conditions, and whether copper, zinc, or stainless upgrades carry modified warranty terms is not stated [25]. Projects requiring installation below 2:12 slope for most ATAS standing-seam profiles are also outside the standard fit, since Dutch Seam carries a 2:12 minimum and Field-Lok 1" carries a 2:12 minimum [25].
Buyers prioritizing lowest initial cost over long-term durability should look elsewhere, since ATAS authorized installation typically commands premium labor rates due to certification requirements [25]. Kimi adds that buyers needing immediate comparison of installer quality across multiple authorized providers, or who want to evaluate extensive independent customer reviews or third-party installation quality assessments, will find the evidence thin [2].
When Another Option May Be Better
Questions explored
- What is a better alternative to ATAS Authorized Installer Network if I need a turnkey installer with published pricing?
- When should a buyer choose a different metal roofing manufacturer or contractor instead of ATAS?
Another option may be better when installer workmanship and service accountability matter more than a particular manufacturer. OpenAI recommends choosing a locally established metal-roofing contractor with independently verifiable standing-seam references in that case, or comparing other major standing-seam manufacturers when the project requires a different panel profile, local distributor availability, longer or more clearly defined warranty terms, or lower total installed cost [9].
Anthropic recommends turnkey installation companies with directly employed installers - naming McElroy Metal, MBCI, Englert, Sheffield Metals, or Drexel Metals installers operating as direct employee operations - when the buyer wants a single point of accountability [25]. It also suggests a local metal roofing specialist authorized by a competitor manufacturer when the region has no ATAS authorized installers, and a specialist in copper, zinc, or stainless steel standing seam with a climate-specific warranty when coastal salt spray is the primary concern [25]. For buyers prioritizing lowest upfront cost, Claude cites exposed-fastener corrugated or ribbed panels at $7–$11 per square foot versus $12–$18 for standing seam [25].
Kimi points to competitors with verifiable credentials: a Florida-licensed contractor with explicit Florida Product Approval for wind rating documentation, a vertically integrated installer with in-house crews and no subcontractors, and a provider with transparent online pricing tiers and warranty comparisons [13]. Google suggests a more basic, widely stocked standing seam brand such as McElroy Metal when the budget is tightly restricted, or a brand with a massive consumer dealer network such as GAF when a metal shingle aesthetic is preferred [27]. Deepseek suggests national roofing contractor networks such as Angi or HomeAdvisor when the buyer requires real-time installer network visibility and pricing transparency [2].
Questions to ask before choosing a provider
Questions explored
- What should a buyer confirm with ATAS Authorized Installer Network before signing a contract?
- How do I verify that my contractor is actually authorized by ATAS for the quoted panel?
Confirm authorization first. Ask whether the proposed contractor is currently recognized by ATAS for the exact residential panel and warranty program, and whether ATAS can confirm that status directly [9]. Verify the authorization certificate and installation credentials for the specific profile - Dutch Seam, Field-Lok variant, or PC System [25].
Confirm the warranty in writing. Ask which exact panel, material, gauge, coating, color, seam type, clip, fastener, underlayment, trim, and accessories are included [9]. Ask whether the roof will receive the Standard or Platinum Plus Limited Weathertightness Warranty, what the fee is, who performs inspections, and what exclusions and liability limits apply [9]. Ask how warranty registration will be completed and whether the homeowner will receive the final warranty certificate, approved details, inspection reports, and maintenance requirements [9]. Ask whether the warranty is transferable to a future owner [2].
Confirm scope and price. Ask whether the quote is inclusive of tear-off, disposal, deck repairs, flashing, penetrations, gutters, ventilation, permits, taxes, mobilization, and change orders [9]. Request an itemized quote showing material versus labor breakdown and any jurisdiction-specific fees [2]. Ask about lead time, payment schedule, cancellation terms, completion deadline, and the process for concealed substrate damage or weather delays [9].
Confirm the contractor's own credentials. Ask for recent residential standing-seam references, proof of insurance, required licenses, and evidence of training or certification relevant to the proposed system [9]. Ask what labor or workmanship warranty the installer provides separately from ATAS, and who handles leaks during the first two years and afterward [9].
Confirm site-specific requirements. Ask whether the roof slope is compatible with the selected product, and what substrate, ventilation, snow-retention, wind-uplift, and code details apply to the address [9]. Ask what energy-efficiency documentation applies to the exact selected color and assembly, rather than to metal roofing generally [9]. If in a high-wind zone, request Florida Product Approval or Miami-Dade HVHZ documentation [2].
The consensus assessment
The consensus is a qualified good fit, not an unqualified endorsement. Four of seven platforms rated the fit good, two rated it mixed, and one rated it uncertain [9]. ATAS appears well suited as a standing-seam metal-roof system manufacturer and warranty platform, but the buyer is ultimately choosing a local independent installer [9].
Proceed only after verifying the contractor's ATAS status, the exact panel and warranty certificate, installation qualifications, scope, labor warranty, and total installed price [9]. The product engineering evidence is consistent and company-documented; the installer performance evidence is not. Buyers who want a single accountable installation company, published pricing, or verified installer quality across a national network will find this model does not deliver those things [2].
For the broader field of providers evaluated under the same criteria, see the Metal roofing installation consensus index. Buyers comparing contractor models more broadly can also review the roofing services category directory.
How This Review Was Produced
This review was produced from a seven-platform fit-research run dated 2026-09-30. Each platform received the same buyer prompt describing a homeowner replacing an existing roof with a standing seam metal roof for longevity and energy efficiency, and was asked which providers it would recommend and why. Platforms evaluated fit against five criteria: metal roofing specialization, material sourcing, seam and fastening quality, energy efficiency benefits, and warranty on metal systems.
Two of the seven platforms named ATAS Authorized Installer Network during the ranking stage - DeepSeek at rank 3 and ChatGPT at rank 5 - producing an average listed rank of 4.0 and a 28.6% share of included platform responses. All seven platforms produced fit-research output for the entity. Platform-reported research dates differ from the authoritative run date: Claude and DeepSeek reported 2026-01-15, while Gemini, Grok, Kimi, ChatGPT, and Perplexity reported 2026-09-30.
Research limitations
Several limitations apply. Company-owned citations materially outnumber independent citations in the supplied evidence, so ATAS product, warranty, and certification claims should be treated as manufacturer-reported rather than independently verified. The supplied URLs were collected from platform responses and were not independently validated by the writer stage. Citations are platform-reported evidence, not independently verified facts.
The official ATAS homepage retrieval failed with an HTTP 403 response during the run, so the ATAS domain and content are treated as reported-but-unverified for research purposes [2]. One platform, DeepSeek, ran with search disabled, so its claims are platform-reported without retrieved evidence [2]. Platform-reported research dates differ from the authoritative run date and do not independently prove freshness.
The supplied identity describes an ATAS Authorized Installer Network, but the reviewed ATAS pages primarily describe manufacturer support, representative referrals, and contractor resources rather than a clearly defined nationwide consumer installation network [23]. No public installed price or standardized network contract was found [9]. No public evidence was found establishing the selected contractor's licensing, insurance, certification status, residential project history, complaint record, or local availability [9]. Agreement among AI platforms does not prove product quality or installation outcomes.
Explore more roofing services guidance in the category directory.
Sources
Company-Owned Sources
- Standing Seam Metal Roof Installation: https://alphametalsystem.com/services/metal-roof-systems/standing-seam-metal-roof/
- ATAS International, Inc. - official website: https://atas.com/
- 2023 Project of the Year Winners Announced by ATAS: https://atas.com/press-releases/2023-project-of-the-year-winners-announced-by-atas
- Standing Seam Metal Roof Panels - ATAS International: https://atas.com/products/metal-roofing-systems/standing-seam
- 1" Field-Lok | Single-Locked Roof Panel | ATAS International, Inc: https://atas.com/products/metal-roofing-systems/standing-seam/1-field-lok
- Roofing Certification: https://atas.com/roofing-certification
- ATAS Warranty Programs: https://atas.com/warranties
- ATAS Manufacturer Qualification Statement: https://atas.com/wp-content/uploads/2023/10/ATAS-Manufacturer-Qualification-Statement-01-23-25.pdf
- Metal Roofing Installation & Repair: https://econo-roofing.com/services/metal-roofing/
- Metal Roofing in Los Angeles, CA: https://groundworkconstructionco.com/metal-roofing-los-angeles/
- Standing Seam Metal Roof Installation | South Florida: https://safeguardimpact.com/metal-roof-installation/
- Metal Roof Takes First Place for Residential Project of the Year: https://www.atas.com/case-studies/residentialroof-first-place
- ATAS FAQ: https://www.atas.com/faq
- NRCA ProCertification: https://www.atas.com/nrca-procertification
- Product Rep Finder: https://www.atas.com/rep-finder
- 20 Year Standard Limited Weathertightness Warranty: https://www.atas.com/wp-content/uploads/2018/09/20-YR-STD-WTW.pdf
Independent Sources
- Metal Roofing Contractors 2026: Standing Seam Specialists: https://theroofingbrief.com/metal-roofing-contractor-finder/
- Metal Roofing Contractors in 2026: Standing Seam Specialists vs. Generalists: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQEPfW9FuE00M5SIy4yXJ1N8BkNqWehZraBD0Gz9kRk03bD4dOoztPlPns3n3caWGNXNfRUXByUe8cae6MpK_bOOi6_YkMPxspvE62gJIIXiGGL2XPPq6SPl0SpEyXtlrXIDgHQBzH-1y0YvSKhf2TgQr3b_PmU3
- Standing Seam Specialists vs. Shingle Brands: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQF2xSAsiyqG0uMqbju-6_4CVSNinEteBDscfgQ9NTBA2UMq2picCTCkztUkK0xU2qpF0gTZbrZzN0dSjgZUqpgs_A30ahFoUnn7yPrbkcBw1CtBRHaK8o6dsKfJKELR9ahdv4s72ZUCoAb3Pjs9RPlTXWuyI3-3qHvyvU6EJfCArSm6jFN6RZX9gfyNdYhoR7HKUyGHUQ==
- ATAS Weathertightness Limited Warranty Spec Sheet: https://vertexaisearch.cloud.google.com/grounding-api-redirect/AUZIYQFcjeCFq6yI0XJUxUqdc1LvludSbGi0naCYNXwWYoVsE1JPY6wvAYWYNygQBiEEEeJlAyfa4rA4ZTSTd0x0ifu_-mU8rW3SCY2-xmheuojmZQgw8nrUxBaurXhopRPeiIufL0-UyGO3TYcsb-z2DG4LiSiZrEC9oAQBBKbMnNX7NFdnkQ3skNTiEcsNRF2UKPk7oiHsDQqncyF_iQv0IODq_ixwVsnz0u4vSgg0rmq1
Other Sources
- Standing Seam Metal Roofing & Siding | ATAS Systems: https://toparmorroofing.com/metal-roofing
ChatGPT
Claude
DeepSeek
Grok
Perplexity
Kimi
Gemini