Answer Capsule
LifeFone At-Home & On-the-Go (VIPx2) is a mixed fit for rural and low-signal reliability. All seven platforms that named it in the ranking stage included it, and it finished second overall with an average listed rank of 3.57 and a best rank of 1. The strongest reason to consider it is the At-Home Landline option, which transmits alarms over a traditional phone line instead of cellular service and is advertised with up to 1,300 feet of range and a 32-hour base-station backup battery [1]. The main limitation is that the VIPx2 mobile unit itself depends on Verizon or AT&T 4G LTE, and LifeFone's own user guide warns that poor cellular coverage may prevent a call, location, or automatic fall detection [2].
Research Snapshot
| Field | Finding |
|---|---|
| Platform mentions in ranking stage | 7 of 7 included platforms (anthropic, deepseek, google, grok, kimi, openai, perplexity) |
| Share of included platform responses | 100% (7 of 7) |
| Average listed rank | 3.57 |
| Best listed rank | 1 (kimi) |
| Relevant product/model/plan | At-Home Landline paired optionally with VIPx2; VIPx2 uses cellular, Wi-Fi, and GPS location technologies |
| Overall use-case fit | Mixed — six platforms rated it mixed, one (google) rated it strong |
| Research date | 2026-09-27 |
Why LifeFone At-Home & On-the-Go (VIPx2) Qualified for This Study
Questions This Section Answers
- Is LifeFone At-Home & On-the-Go (VIPx2) a good choice for rural seniors who need low-signal reliability?
- How often did AI platforms name LifeFone At-Home & On-the-Go (VIPx2) when ranking medical alert systems for rural areas?
LifeFone At-Home & On-the-Go (VIPx2) qualified because every included platform named it during ranking discovery, giving it a 100% platform share and a second-place final rank. Its listed ranks ranged from 1 (kimi) to 6 (deepseek and perplexity), with google, openai, and anthropic placing it third or fourth (openai, anthropic, google, grok, kimi, deepseek, perplexity). The entity qualified on minimum-mentions grounds and was evaluated only for rural and low-signal reliability, not as a general company review.
Platforms recommended different plans under the same entity name. Recommendations included the At-Home Landline system, the At-Home Cellular system, and the VIPx2 hybrid, sometimes paired together (openai, anthropic, kimi, perplexity). That spread matters for rural buyers because the landline and cellular paths carry very different reliability profiles.
The Product, Model, Plan, or Service Most Relevant to Rural & Low-Signal Reliability
Questions This Section Answers
- Which LifeFone plan is most relevant for a rural senior with a landline but weak cellular coverage?
- Does the LifeFone VIPx2 mobile unit work without cellular service?
The most rural-relevant LifeFone configuration is the At-Home Landline system as the primary residence device, optionally paired with a VIPx2 for mobility where coverage is confirmed. The At-Home Landline system communicates through a compatible landline and is therefore less dependent on local cellular coverage for in-home alarm transmission [3]. It is advertised with up to 1,300 feet of range and up to 32 hours of base-station backup during a power outage [3].
The VIPx2 itself is a hybrid mobile unit using cellular, Wi-Fi, and GPS location technologies, with LifeFone stating it uses Verizon or AT&T 4G LTE [5]. It is not a no-signal solution. LifeFone's own user guide warns that poor cellular coverage may result in the inability to place a call or automatically detect a fall, and that location may be unavailable or imprecise [7]. Wi-Fi and GPS do not by themselves guarantee that an alarm or location reaches the monitoring center when cellular backhaul is unavailable (openai).
What the AI Platforms Agreed About
Questions This Section Answers
- What do AI platforms agree on about LifeFone At-Home & On-the-Go (VIPx2) for rural low-signal reliability?
- Is the LifeFone At-Home Landline system considered a genuine cellular-independent option for rural homes?
Platforms broadly agreed on three points. First, the At-Home Landline system is a genuine cellular-independent fallback where a compatible landline exists (openai, anthropic, deepseek, grok, kimi, perplexity). Second, the VIPx2 mobile unit depends on Verizon or AT&T coverage and does not eliminate rural dead zones (openai, anthropic, grok, perplexity). Third, advertised battery life is a practical advantage: up to 18 days for VIPx2 and up to 32 hours of base-station backup for the at-home system [8].
Independent testing cited by platforms reported strong VIPx2 GPS results and fast monitoring-center response in tested conditions. SafeWise reported 100% GPS accuracy in three test locations and average monitoring-center response of 47 seconds for VIPx2 [10]. NCOA reported a 14-second average response time for At-Home Cellular (anthropic:ncoa_lifefone_review). These are testing results in particular locations, not contractual response guarantees or rural-specific performance data.
Where the AI Platforms Disagreed or Were Uncertain
Questions This Section Answers
- Do AI platforms disagree about whether LifeFone At-Home & On-the-Go (VIPx2) is reliable in rural areas?
- What is unresolved about LifeFone VIPx2 battery life and carrier coverage?
Fit ratings diverged. Google rated the entity a strong fit, calling it an outstanding selection for Rural Seniors (google). The other six platforms rated it mixed (openai, anthropic, deepseek, grok, kimi, perplexity). That is a majority-mixed result, not consensus.
Several factual conflicts remain unresolved. LifeFone's current VIPx2 product page and user guide state up to 18 days of battery life, while a current comparison/order page displays 10 days for the VIPx2 [13]. NCOA listed VIPx2 at 10 days and noted testing was still in progress (anthropic:ncoa_lifefone_review). Kimi reported 16 days (kimi:lifefone.com-vipx2). The applicable model and expected battery duration should be confirmed before purchase.
Carrier disclosure also conflicts. LifeFone's current VIPx2 page states Verizon or AT&T service, while some older LifeFone materials describe only AT&T, and one platform noted LifeFone does not publicly disclose carriers at all (openai, anthropic, kimi). Pricing conflicts across sources: VIPx2 was reported at $39.95 per month by some reviewers and $43.95 by another, with one review reporting annual pricing near $439.45 (perplexity, anthropic). Anthropic used the prior VIPx model's $43.95 as a proxy because VIPx2 pricing was not confirmed in accessible sources (anthropic).
Range is another conflict. LifeFone advertises up to 1,300 feet, but independent testing of an At-Home Cellular system reached only about 65 feet in that test environment [15]. Practical range is installation-dependent.
Use-Case-Specific Features and Capabilities
Questions This Section Answers
- How much in-home range and backup battery does LifeFone At-Home Landline offer for a rural property?
- How accurate is LifeFone VIPx2 GPS and fall detection in low-signal rural terrain?
Landline fallback is the clearest rural advantage. The At-Home Landline system uses a compatible landline rather than cellular, and LifeFone asks for the provider name to verify compatibility because not all landline services work [17]. Where copper lines exist, this removes cellular dependency for in-home alarms (kimi:lifefone.com-at-home).
Cellular coverage is the clearest limitation. VIPx2 uses LifeFone-managed Verizon or AT&T 4G LTE, not the user's own carrier, and the user guide expressly warns about poor coverage preventing calls or automatic fall detection [18]. Forbes testing in a remote area found the device "did not always connect to the service center," though the review did not specify which signal type failed (anthropic:forbes_vipx_review).
GPS and location reliability is an advantage with qualification. VIPx2 combines cellular, Wi-Fi, and GPS, and independent testing reported 100% GPS accuracy in three test locations [19]. LifeFone's manual states location may be unavailable or imprecise and that multi-level buildings, parking garages, and dense areas can impede satellite and tower location [18].
In-home range is advertised at up to 1,300 feet from the base station, with fall-detection pendant range reduced to 600 feet [17]. Independent At-Home Cellular testing reached roughly 65 feet in that environment, so walls, layout, and local conditions can materially reduce practical range [21].
Speaker and audio findings are mixed. LifeFone claims a high-output two-way speaker and sensitive microphone on the at-home base station [17]. Independent testing found VIPx2 audio generally good, while separate At-Home Cellular testing reported garbled audio [19]. PCMag noted the base unit has a built-in speaker but did not independently rate volume [22].
Dispatch and monitoring is a reported advantage. LifeFone states a U.S.-based response center follows personalized emergency instructions, determines the nature of the emergency, dispatches local responders, and remains in contact until help arrives [17]. Independent testing reported average monitoring-center response of 47 seconds for VIPx2 and under 60 seconds overall [19]. No verified public evidence was found of a rural-specific dispatch-time guarantee.
Backup battery favors the at-home option: up to 32 hours of base-station backup with supervised batteries, and help-button battery life of up to 3 to 5 years, reduced to roughly 1 year with fall detection [17].
Fall detection is a limitation. It costs extra, LifeFone states no fall-detection system detects 100% of falls, and independent testing found VIPx2 detected four of six test falls and generated multiple false alarms [17].
Caregiver monitoring is an optional advantage. The VIPx2 caregiver app can show location, activity, first motion of the day, button presses, battery status, and geofence alerts, for an additional monthly fee, and it does not remove the device's dependence on cellular connectivity for off-home communication [17].
Pricing, Fees, Contracts, and Ongoing Costs
Questions This Section Answers
- How much does LifeFone At-Home & On-the-Go (VIPx2) cost per month, and are there setup or cancellation fees?
- What add-on fees apply to LifeFone VIPx2 for fall detection and the caregiver app?
Annual-plan pricing is the most consistently reported figure: $24.95 per month for At-Home Landline, $30.95 per month for At-Home Cellular, and $39.95 per month for VIPx2 [25]. Monthly and quarterly billing are also available, but their prices were not verified here (openai). Google reported VIPx/VIPx2 mobile starting at $41.95 per month and At-Home Cellular at $30.95 to $34.95 depending on billing cycle (google). Perplexity reported VIPx2 at $39.95 to $43.95 per month depending on source and billing method, with one 2026 review reporting annual pricing near $439.45 (perplexity). Kimi reported At-Home Landline at $24.95 annual or $29.95 month-to-month, At-Home Cellular at $34.95 annual, and VIPx2 at $39.95 annual (kimi:lifefone.com-pricing). SeniorLiving reported At-Home Landline at $29.95 month-to-month or $24.95 annual [26].
Add-on fees are reported consistently at $5 per month for fall detection and $8 per month for the VIPx2 caregiver app, with a $5 per month Protection Plan according to the product page (openai, anthropic, google, perplexity, kimi). Kimi also reported spouse coverage at $3 per month (kimi:lifefone.com-pricing). Daily check-in service was reported at $19 per month and medicine reminders at $6 per month (anthropic:lifefone_atlanding_page, anthropic:pcmag_review).
Contract terms are reported as no long-term contract, cancellation at any time, a 30-day money-back guarantee, and no activation or equipment fees, with a lifetime price and equipment guarantee (openai, deepseek, grok, kimi, google). Google reported pro-rated refunds for unused prepaid months once equipment is returned (google). The current terms and conditions and emergency-care agreement should be reviewed for refund calculations, equipment-return requirements, and annual-plan billing details [27]. Pricing confidence across platforms was moderate, with deepseek rating it low because third-party listings show different or promotional figures (deepseek).
Best Suited For
Questions This Section Answers
- Who is LifeFone At-Home & On-the-Go (VIPx2) best suited for in a rural low-signal setting?
- Is LifeFone a good choice for a rural senior who still has a working landline?
LifeFone is best suited to rural homes with a reliable, compatible landline and a need for long in-home range and power-outage backup (openai, anthropic, grok, kimi). It also suits users who have usable Verizon or AT&T coverage at the residence and want one mobile device for trips away from home (openai, google). Households where a caregiver can validate coverage and test dispatch performance at the actual residence and common travel locations are a good match (openai). Buyers who want no long-term contract and a 30-day trial window to test in their actual home are also well served (deepseek, kimi).
Probably Not Best Suited For
Questions This Section Answers
- Who should not choose LifeFone At-Home & On-the-Go (VIPx2) for rural low-signal reliability?
- Is LifeFone VIPx2 a poor fit for a rural home with no landline and weak cellular coverage?
LifeFone is probably not best for homes with no usable landline and weak or absent Verizon/AT&T cellular coverage (openai, anthropic, grok, kimi). It is also a poor fit for users who regularly travel beyond cellular coverage or need satellite-based emergency communications (openai, anthropic, kimi). Buyers who require guaranteed fall detection, precise location in all terrain, or a published rural-specific dispatch SLA should look elsewhere (openai). Seniors unable to establish Wi-Fi connectivity to supplement cellular signal loss are also a weak match (anthropic). Buyers who require published, verifiable carrier coverage maps before purchase will find LifeFone's disclosure insufficient (kimi).
When Another Option May Be Better
Questions This Section Answers
- What is a better alternative to LifeFone At-Home & On-the-Go (VIPx2) for a rural buyer with no landline and no cellular signal?
- When should a rural buyer choose a satellite-based system instead of LifeFone VIPx2?
Another option may be better when the rural area has zero landline infrastructure and documented poor Verizon/AT&T coverage; platforms suggested satellite-based systems or dedicated rural medical alert providers in that case (anthropic, kimi, perplexity). A hybrid system with a dedicated emergency beacon may be preferable when the senior spends significant time outdoors and needs dependable GPS in terrain with poor satellite visibility (anthropic). A device with documented multi-network cellular redundancy may be preferable when rural cellular coverage is poor or inconsistent (perplexity, deepseek). A simpler landline-only system may be better when mobility is not needed and cost is the main constraint (perplexity). A carrier-branded or explicit-carrier medical alert may perform better when local Verizon, AT&T, or T-Mobile coverage is known strong (kimi).
Questions to Verify Before Buying
Questions This Section Answers
- What should a buyer confirm with LifeFone before signing up for VIPx2 in a rural area?
- Can LifeFone test carrier coverage and dispatch at a specific rural address before purchase?
Buyers should confirm which carrier, Verizon or AT&T, will serve the exact address and whether LifeFone can test both before charging (openai). They should verify whether the residence's landline provider and telephone configuration support the At-Home Landline system, including during a power outage (openai, anthropic:lifefone_faq). They should ask whether LifeFone can perform and document an end-to-end alarm, two-way audio, and dispatch test from the home's farthest rooms, yard, driveway, and usual outbuildings (openai). They should confirm the current guaranteed or expected VIPx2 battery life with fall detection enabled and with frequent GPS use, given the 18-day versus 10-day conflict (openai, anthropic:ncoa_lifefone_review). They should ask what happens if VIPx2 loses cellular service after detecting a fall or pressing the help button (openai). They should confirm whether local 911, EMS, fire, and police agencies are dispatched directly and whether rural-address, gate, road-access, or volunteer-EMS procedures need documenting (openai). They should confirm exact monthly and quarterly prices, annual prepayment and refund rules, equipment-return requirements, and accessory charges (openai, deepseek). They should confirm what the lifetime warranty and Protection Plan cover and whether lost, damaged, or water-damaged VIPx2 units are excluded (openai). They should ask whether they can cancel or return the service after an unsuccessful address-level coverage test without additional fees (openai, deepseek).
Final AI Consensus Verdict
The consensus verdict is mixed fit. Six of seven platforms rated LifeFone At-Home & On-the-Go (VIPx2) mixed for rural and low-signal reliability, and one rated it strong (openai, anthropic, deepseek, grok, kimi, perplexity, google). LifeFone is a reasonable rural choice when the buyer can use the At-Home Landline system as primary residence protection and has verified landline compatibility, or when Verizon/AT&T coverage is demonstrably usable (openai). VIPx2 provides useful mobility, location features, long battery life, and strong reported test performance, but its explicit cellular-coverage dependency makes it unsuitable as the sole solution for genuinely low-signal or off-grid rural areas (openai, anthropic). Platform agreement here reflects shared reading of the same company and review sources, not proof of product quality.
How This Review Was Produced
This review was produced from seven AI platform research responses collected for the 2026-09-27 study run on medical alert systems for rural seniors. Each platform evaluated LifeFone At-Home & On-the-Go (VIPx2) only for the Rural & Low-Signal Reliability use case, using company-owned pages and independent reviews. Ranking statistics were calculated from the platforms that named the entity during ranking discovery. Fit ratings, strengths, limitations, pricing, and verification questions were taken from the platform responses and their cited sources. No personal testing, customer experience, or independent verification was performed by the writer. The consensus index for this use case is available at Rural & Low-Signal Reliability, and the broader category directory is at medical alert systems.
Methodology Limitations
Platform-reported research dates differ from the authoritative run date: anthropic reported 2025-01-07 and deepseek reported 2026-06-11, while the other five platforms reported 2026-09-27. Those dates are provenance metadata and do not independently prove freshness. Platform mentions count only platforms that named the entity during ranking discovery, and all included platforms evaluated fit. Conflicting product names, pricing, and capabilities were described rather than resolved. 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. Deepseek ran without search enabled, so its claims require explicit verification before being described as current facts. The official-site retrieval for lifefone.com failed with an HTTP 403 response, so no official-page excerpts were available for verification. One source, Medical Tech Outlook, has unclear ownership relative to LifeFone and its "Company of the Year" framing should be treated as unverified. No independent rural-specific performance data, failure rates by carrier, or geographic coverage testing was located.
Sources
Company-Owned Sources
- LifeFone Official Website: https://lifefone.com/
- At-Home Landline | Medical Alert System: https://lifefone.com/at-home-landline
- LifeFone At-Home Medical Alert System: https://lifefone.com/at-home-medical-alert/
- LifeFone Fall Detection: https://lifefone.com/fall-detection/
- LifeFone Pricing and Plans: https://lifefone.com/medical-alert-pricing-plans/
- LifeFone Mobile Medical Alert System: https://lifefone.com/mobile-medical-alert/
- LifeFone VIPx2 Mobile Medical Alert: https://lifefone.com/vipx2-medical-alert/
- LifeFone Monitoring Centers: https://lifefone.com/why-lifefone/
- VOXIAS — High-Speed Rural Wireless Internet: https://voxias.com/
- At-Home Cellular | Medical Alert Device - LifeFone: https://www.lifefone.com/
- At-Home & On-the-Go, VIPx2: https://www.lifefone.com/at-home-and-on-the-go-vipx2
- At-Home Landline | Medical Alert System | LifeFone: https://www.lifefone.com/at-home-landline
- FAQs | Medical Alert | LifeFone: https://www.lifefone.com/faq
- How It Works | Medical Alert: https://www.lifefone.com/how-it-works
- VIPACTIVE User Guide: https://www.lifefone.com/media/pdf/manuals/VIP_Active_user-guide.pdf
- Order Now | Medical Alert | LifeFone: https://www.lifefone.com/order-now
- Terms & Conditions | Medical Alert | LifeFone: https://www.lifefone.com/terms-and-conditions
Additional AI research evidence27 records
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c1
- AI research evidence record openai:c4
- AI research evidence record openai:c3
- AI research evidence record grok:web:10
- AI research evidence record openai:c2
- AI research evidence record openai:c3
- AI research evidence record grok:web:1
- AI research evidence record openai:c5
- AI research evidence record grok:web:2
- AI research evidence record perplexity:c4
- AI research evidence record openai:c3
- AI research evidence record openai:c7
- AI research evidence record openai:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c5
- AI research evidence record grok:web:2
- AI research evidence record openai:c6
- AI research evidence record perplexity:c9
- AI research evidence record openai:c4
- AI research evidence record openai:c3
- AI research evidence record openai:c7
- AI research evidence record perplexity:c3
- AI research evidence record openai:c8
Independent Sources
- LifeFone Review 2024: Is It the Right Medical Alert System for You?: https://aginginplace.org/medical-alert/lifefone-review/
- LifeFone Reviews, Consumer Reviews 2026 - Best Reviews: https://bestreviews.net/lifefone-reviews/
- Starlink internet review 2026: https://cablecanyon.com/providers/starlink
- Which Lifefone Plan Fits: https://elderlydaily.com/caregiver-guides/choosing-a-medical-alert-system
- LifeFone Review 2026: Plans, Real Costs & Who It Suits: https://elderlydaily.com/reviews/lifefone-review
- LifeFone At-Home Landline System with Optional Fall Detection User Guide: https://manuals.plus/lifefone/at-home-landline-system-with-optional-fall-detection-manual
- LifeFone VIPx2 Review: Industry-Leading Battery Autonomy and Reliable GPS – MedGrade: https://medgrade.org/reviews/lifefone-vipx2-review/
- LifeFone Alert System Review (2026): Our Test Results - AARP: https://www.aarp.org/
- LifeFone Alert System Review (2026): Our Test Results: https://www.aarp.org/caregiving/home-care/lifefone-review/
- LifeFone Medical System Review 2026 - Caring.com: https://www.caring.com/senior-products/best-medical-alert-systems/lifefone
- LifeFone Review - Medical Alert Systems: https://www.consumeraffairs.com/medical-alert/lifefone.html
- LifeFone At-Home & On-the-Go, VIPx Review: Tried and Tested - Forbes: https://www.forbes.com/
- LifeFone At-Home Cellular System Review: https://www.forbes.com/health/medical-alert-systems/lifefone-at-home-cellular-system-review/
- LifeFone At-Home & On-the-Go, VIPx Review: Tried and Tested: https://www.forbes.com/health/medical-alert-systems/lifefone-vipx-review-tried-and-tested/
- LifeFone Review 2026: We Tested the Medical Alert System: https://www.ncoa.org/product-resources/medical-alert-systems/lifefone-review/
- LifeFone At Home Landline Medical Alert System Review: https://www.pcmag.com/reviews/lifefone-at-home-landline-medical-alert-system
- LifeFone Medical Alerts | Hands-On Expert Review: https://www.safewise.com/senior-safety/medical-alerts/lifefone/
- Best Cellular Medical Alert Systems in 2026: https://www.seniorliving.org/medical-alert-systems/best/without-landline/
- LifeFone Medical Alert System Review 2026: https://www.seniorliving.org/medical-alert-systems/lifefone/reviews/
- LifeFone Medical Alert Review 2026 - SeniorSafetyReviews.com: https://www.seniorsafetyreviews.com/
- LifeFone Medical Alert Review, Hands-On Test: https://www.theseniorlist.com/medical-alert-systems/lifefone/reviews/
- Medical Guardian Systems: https://www.theseniorlist.com/medical-alert-systems/medical-guardian-vs-lifefone/
- Lifefone Installation &: https://www.top10.com/medical-alerts/reviews/lifefone
Additional AI research evidence27 records
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c1
- AI research evidence record openai:c4
- AI research evidence record openai:c3
- AI research evidence record grok:web:10
- AI research evidence record openai:c2
- AI research evidence record openai:c3
- AI research evidence record grok:web:1
- AI research evidence record openai:c5
- AI research evidence record grok:web:2
- AI research evidence record perplexity:c4
- AI research evidence record openai:c3
- AI research evidence record openai:c7
- AI research evidence record openai:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c5
- AI research evidence record grok:web:2
- AI research evidence record openai:c6
- AI research evidence record perplexity:c9
- AI research evidence record openai:c4
- AI research evidence record openai:c3
- AI research evidence record openai:c7
- AI research evidence record perplexity:c3
- AI research evidence record openai:c8
Other Sources
- LifeFone | Medical Alert Systems Company of the Year 2026: https://www.medicaltechoutlook.com/lifefone-2026
Additional AI research evidence27 records
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c1
- AI research evidence record openai:c4
- AI research evidence record openai:c3
- AI research evidence record grok:web:10
- AI research evidence record openai:c2
- AI research evidence record openai:c3
- AI research evidence record grok:web:1
- AI research evidence record openai:c5
- AI research evidence record grok:web:2
- AI research evidence record perplexity:c4
- AI research evidence record openai:c3
- AI research evidence record openai:c7
- AI research evidence record openai:c1
- AI research evidence record openai:c6
- AI research evidence record openai:c1
- AI research evidence record openai:c2
- AI research evidence record openai:c5
- AI research evidence record grok:web:2
- AI research evidence record openai:c6
- AI research evidence record perplexity:c9
- AI research evidence record openai:c4
- AI research evidence record openai:c3
- AI research evidence record openai:c7
- AI research evidence record perplexity:c3
- AI research evidence record openai:c8
Verify This Research
Review the study details behind this page or download the public machine-readable verification record.
- Study date
- September 27, 2026
- Platforms analyzed
- 7
- Source records
- 42
- Ranking mentions
- 7 of 7
- Platform share
- 100%
- Final consensus rank
- #2
Research trail and source mix
Configured platforms
openai, anthropic, deepseek, grok, perplexity, kimi, google
Source mix
23 independent · 18 company-owned · 1 unclear
Evidence support
33 direct · 7 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 5eae179a4c3dc8c1e8e41fcef47fc0a9e0436be1478d5caeb92b14f3add5a9e3