AI Search Platforms We Analyze

At a Glance

• Which companies or products appear repeatedly
• Which features and limitations are emphasized
• Platform weighting: Each included experience counts as one response
• Provider adjustment: Not applied unless a report explicitly states otherwise

Why We Analyze Multiple AI Platforms

AI search platforms do not all produce the same answer. Even when they receive the same buyer question, they may:

• Retrieve different publications
• Rely on different versions of company information
• Interpret the buyer's priorities differently
• Place more weight on price, product features, reputation, or availability
• Return different numbers of recommendations
• Provide different sources or citation detail
• Reach different conclusions about the same company

A company may be strongly recommended by one platform and absent from another. That disagreement can be useful. It may show that the company has uneven public visibility, conflicting product information, a narrow use case, inconsistent source coverage, or strengths that only certain platforms recognized.

Cross-platform consensus does not guarantee that a recommendation is correct. It provides a broader basis for comparison than relying on one answer from one system.

How Platforms Are Selected

Aging in Place Index may include a platform when it provides a usable public AI search, research, or answer experience capable of responding to commercial buyer questions. Selection may consider:

• Relevance to consumer research
• Ability to identify and compare companies or products
• Access to current or web-based information
• Ability to provide an ordered recommendation response
• Availability of sources or citations
• Technical access for the research process
• Stability of the user-facing experience
• Public availability

Not every platform must provide citations to be included. A platform can contribute meaningful recommendation data even when its source disclosure is limited. The absence of citations is recorded as a limitation.

The platform set may change from one research period to another. Every report identifies the platforms actually included in that study.

OpenAI

Platform type: Conversational AI assistant with web search capabilities.

OpenAI's conversational AI experience can search the web when a question would benefit from current information and may provide inline citations and a sources panel with links to supporting webpages.

Its answers may combine web research with language-model analysis to produce comparisons, summaries, and buyer recommendations. When OpenAI is included in a study, we may record:

• Listed order
• Reasons given for each recommendation
• Relevant products, models, or plans mentioned
• Important limitations
• Inline citations
• Sources listed with the response
• Whether web search was used
• Companies or products recommended

OpenAI does not necessarily search the web for every question, and the sources or recommendations returned can vary by prompt, date, interface, account state, and available search tools.

Google

Platform type: Google's conversational AI assistant.

Gemini is a conversational AI experience that can answer questions, compare options, assist with research, and provide related sources or web links in some responses.

Depending on the feature and account, Gemini may use Google Search or other connected sources to support its research. When Gemini is included, we may record:

• Order of presentation
• Reasons for recommendation
• Buyer-fit distinctions
• Product or company limitations
• Sources and related links shown with the answer
• Whether a research or web-grounded feature was used
• Companies or products recommended

Not every Gemini response includes sources or related links. Gemini and Google's search-based AI experiences may share related technology or source environments, so agreement among them may not represent fully independent research systems.

Anthropic

Platform type: Conversational AI assistant with web search.

Anthropic's conversational AI experience can search the web to incorporate more current information into its responses. When web search is used, Anthropic may provide direct citations that allow readers to review the supporting sources.

Anthropic can be particularly useful for detailed assessments, identifying limitations, distinguishing evidence from claims, and explaining uncertainty. When Anthropic is included, we may record:

• Listed order
• Evidence supporting the recommendation
• Buyer-specific strengths
• Buyer-specific concerns
• Areas of uncertainty
• Direct citations returned with the response
• Companies or products recommended

Anthropic may be more cautious than other platforms and may decline to provide a definitive ordered ranking when the available evidence is limited. Its conclusions can also vary depending on whether web search is available or used.

Perplexity

Platform type: AI-powered search and answer engine.

Perplexity searches the web and produces conversational answers supported by citations and links to original sources.

It is designed around source-backed web research and may synthesize information from several webpages into a direct answer. When Perplexity is included, we may record:

• Listed position
• Reasons for each recommendation
• Product and pricing observations
• Important caveats
• Sources cited for each section
• Differences between the narrative answer and cited evidence
• Companies or products recommended

A cited answer is not automatically correct. Perplexity may rely on company-controlled pages, affiliate publications, older sources, or information that does not address the exact buyer situation.

Grok

Platform type: Conversational AI assistant with web and X search.

Grok can use webpages from the broader internet as well as public information from X.

Its access to X can expose discussions, reactions, company statements, customer comments, and other real-time public conversations that may not be emphasized by other platforms. Grok may also provide citations that allow users to inspect sources supporting the answer. When Grok is included, we may record:

• Listed order
• Reasons for recommendation
• Public discussion or sentiment referenced
• Web sources
• X posts or discussions referenced
• Citations returned with the response
• Companies or products recommended

Social-media information can be timely but may also be anecdotal, incomplete, promotional, inaccurate, or unrepresentative. A high volume of discussion does not necessarily establish product quality or buyer suitability.

DeepSeek

Platform type: Conversational AI and reasoning assistant.

DeepSeek is included as a separate AI assistant capable of producing structured company assessments, comparisons, and buyer recommendations.

Depending on the interface, feature availability, and research conditions, its answers may rely more heavily on model knowledge or may incorporate current web information. When DeepSeek is included, we may record:

• Listed order
• Reasons for recommendation
• Buyer-specific strengths
• Buyer-specific limitations
• Factual concerns
• Sources or citations when returned
• Whether the answer appears to rely on current web information
• Companies or products recommended

DeepSeek's source and citation behavior may be less consistent than platforms designed primarily around web search. When citations are unavailable, its response can contribute to recommendation consensus, but its factual claims may be harder to trace to specific webpages.

Kimi

Platform type: Conversational AI assistant with reasoning and research capabilities.

Kimi can support question answering, comparison, summarization, and structured analysis. Depending on the interface and feature availability, it may provide links, citations, or other supporting context.

When Kimi is included in a study, we may record:

• Listed order
• Reasons for recommendation
• Buyer-specific strengths
• Buyer-specific limitations
• Factual concerns or uncertainty
• Sources or citations when returned
• Whether the answer appears to rely on current web information
• Companies or products recommended

Kimi's source and citation behavior may vary by interface, account, feature, and research conditions. When citations are unavailable, its response can contribute to recommendation consensus, but factual claims may be harder to trace to specific webpages.

Platform Agreement Does Not Always Mean Independent Corroboration

Several approved AI platforms can use related technology. For example, Perplexity may allow users to select models produced by other approved providers.

Third-party applications may use models developed by OpenAI, Anthropic, Google, DeepSeek, Grok, or other approved providers. Aging in Place Index measures user-facing platform consensus.

It does not claim that every response was produced by a fully independent model, index, provider, or source collection. This distinction is included in the methodology limitations. Different Google experiences may share Google systems or source environments.

Source and Citation Differences

The platforms do not provide the same level of source transparency. A response may include:

• A sources panel at the end of the answer
• Links beside a paragraph
• A list of related webpages
• Search-result cards
• References to public discussions
• Inline citations attached to individual statements
• Sources it displays
• No visible citations

A source link also does not reveal every factor that influenced the answer. The platform may use:

• Additional sources it does not display
• Model knowledge
• Search rankings
• Previous conversational context
• Internal tools or retrieval systems
• Reasoning not visible to the user

Aging in Place Index records the sources made available with the response but does not claim to reconstruct every internal retrieval or ranking decision.

How Platform Citations Are Used

When a platform returns sources, Aging in Place Index may use them to:

• Identify the evidence influencing a recommendation
• Compare source patterns across platforms
• Detect conflicting product or pricing information
• Distinguish company-controlled claims from independent sources
• Identify information requiring buyer verification
• Create a citation ledger for the study
• Support factual statements in a fit review

The presence of a source does not mean Aging in Place Index endorses it. Sources may contain errors, commercial bias, outdated information, limited customer samples, or claims that apply only to a different product or buyer situation.

When a Platform Response Cannot Be Used

A platform response may be excluded from ranking calculations when it:

• Refuses to provide recommendations
• Names no companies or products
• Produces malformed or incomplete data
• Cannot be interpreted as a recommendation list
• Discusses the market without recommending options
• Returns content unrelated to the requested geography or buyer situation
• Does not answer the buyer question
• Fails technically

The report should identify the number of platforms queried and the number of usable responses. An unusable response does not count against any company.

Platforms and Interfaces Change

AI products change quickly. A platform may:

• Retire an older model
• Change its search provider
• Add or remove citations
• Change interface names
• Modify access by geography or subscription
• Change how it handles live web information
• Merge or separate product experiences
• Introduce a new model
• Become temporarily unavailable

Each study records the platform names and research date. When possible, it may also record the interface, mode, or model visible during the research. A platform change does not automatically invalidate an older study. It means the results should be understood as a record of the platform responses collected at that time.

What Inclusion Does Not Mean

Including a platform in Aging in Place Index does not mean that:

• The platform endorses Aging in Place Index
• The platform reviewed or approved our methodology
• The platform's answers are always correct
• Every response uses live web search
• Every citation supports every generated claim
• All included platforms are technologically independent
• Every platform receives equal consumer usage
• Every platform has equal access to current information
• Aging in Place Index endorses the platform
• A platform's recommendation represents an official company rating

Platform names are used only to identify the user-facing AI experiences included in the research.

Check the Individual Report for Its Platform Set

The platform set shown on this page represents the AI experiences Aging in Place Index may analyze. An individual report may include fewer platforms because of:

• Technical failures
• Regional availability
• Product changes
• Unusable responses
• Temporary platform outages
• Access limitations
• Changes to the research process

Every consensus index should display:

• Platforms queried
• Platforms returning usable responses
• Research date
• Number of companies or products named
• Number qualifying for fit reviews
• Dataset version

Readers should rely on the platform information shown within the individual study rather than assuming every report includes the entire platform set.