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BUYER PROMPT / PUBLISHED EVIDENCE

Compare AI research assistants on uploaded-document privacy, model training, retention, permissions, encryption, residency, audit logs, and deletion.

An exact prompt-level view of which reviewed brands surfaced and which public URLs the configured AI models cited. No answer text or tenant data is published.

Intent
commercial
Model providers
3
Categories
1
Last observed
Jul 27, 2026, 12:00 AM UTC
COMPETITIVE OUTCOME

Brands surfaced

Ordered by provider breadth, then total mentions and owned-domain citations. A mention is not an endorsement or a position claim.

#BrandCategoryProvidersMentionsOwned citationsProvider evidence
01Perplexityperplexity.aiResearch AI1110Anthropic
02Gemini Deep Researchgemini.google.comResearch AI101Anthropic
03NotebookLMnotebooklm.google.comResearch AI101Anthropic
MODEL COMPARISON

Answer matrix

One row per configured provider and category snapshot. Hashes prove answer identity without publishing stored answer text.

ProviderModel versionCategoryBrands surfacedCitationsUnique domainsAnswer hash
Openaiopenai/gpt-4o-miniResearch AINone observed77f428e7eb…20281
Anthropicanthropic/claude-haiku-4-5Research AIPerplexity · NotebookLM · Gemini Deep Research86e5bc8238…df92b
Geminigoogle/gemini-2.5-flashResearch AINone observed6657ea7631…7e235
URL-DERIVED CITATIONS

Sources cited

Hostnames are derived from the returned public URLs. Best position is the smallest citation position observed.

DomainCited pageBest positionProvidersObservationsCategories
ai.google.devhttps://ai.google.dev/gemini-api/docs/zdr1Anthropic1Research AI
facebook.comhttps://facebook.com/groups/DestinationBrevard/posts/1588631401789682/1Openai1Research AI
vellum.aihttps://vellum.ai/blog/best-private-personal-ai-assistants1Gemini1Research AI
cybernews.comhttps://cybernews.com/ai-tools/ai-assistants-privacy-and-security-comparisons/2Gemini1Research AI
discuss.ai.google.devhttps://discuss.ai.google.dev/t/how-to-request-zero-data-retention-zdr-for-a-gemini-developer-api-project/1728062Anthropic1Research AI
reddit.comhttps://reddit.com/r/AI_Agents/comments/1ruc1hm/your_agent_doesnt_need_permission_to_delete/2Openai1Research AI
learn.microsoft.comhttps://learn.microsoft.com/en-us/answers/questions/5721112/how-to-get-rid-of-read-ai-assistant-in-team-meetin3Openai1Research AI
northboundadvisory.comhttps://northboundadvisory.com/blog/how-private-are-popular-ai-assistants3Gemini1Research AI
support.google.comhttps://support.google.com/gemini/thread/327172086/can-you-provide-detailed-information-on-how-data-is-processed-and-stored-when-using-gemini-advanced?hl=en3Anthropic1Research AI
discuss.ai.google.devhttps://discuss.ai.google.dev/t/proven-data-retention-after-deletion-in-google-ai-studio-developers-are-required-to-reply/1705414Anthropic1Research AI
medium.comhttps://medium.com/@michael_79773/ai-assistant-privacy-what-claude-chatgpt-and-gemini-users-should-now-7d3f5cae9e5d4Gemini1Research AI
noticias.foxnews.comhttps://noticias.foxnews.com/tech/how-to-opt-out-ai-data-collection-popular-apps.amp4Openai1Research AI
ainanza.comhttps://ainanza.com/guides/ai-permission-hygiene/5Openai1Research AI
discuss.ai.google.devhttps://discuss.ai.google.dev/t/evidence-of-google-ai-studio-data-retention-and-deletion-failure-gdpr-relevant-do-not-remove/1443685Anthropic1Research AI
pcmag.comhttps://pcmag.com/explainers/chatgpt-copilot-deepseek-gemini-which-ai-chatbot-collects-the-least-data5Gemini1Research AI
anarlog.sohttps://anarlog.so/blog/google-gemini-data-retention-policy6Anthropic1Research AI
bigid.comhttps://bigid.com/blog/ai-permissions-explained/6Openai1Research AI
privacyguides.orghttps://privacyguides.org/en/ai-chat/6Gemini1Research AI
blog.laozhang.aihttps://blog.laozhang.ai/en/posts/google-ai-data-deletion7Anthropic1Research AI
stytch.comhttps://stytch.com/blog/handling-ai-agent-permissions/7Openai1Research AI
docs.cloud.google.comhttps://docs.cloud.google.com/gemini-enterprise-agent-platform/resources/zero-data-retention8Anthropic1Research AI
Snapshot IDs90b48a78-a237-4e5b-a147-59c7e398ad1c
Corpus versionsai-research-assistants-2026-07-27
Benchmark versions4-ai-research-assistants-2026-07-27-models-64232fd32583

Coverage: Research AI. Full answers stored: no · Full answers published: no · Tenant data included: no.