Proofsource vs xSeek

xSeek sells guidance as much as software: strategic onboarding, a dedicated account specialist and eight supported models. Proofsource lets you try the measurement yourself first, with no call and no card, and attaches an interval and a drafted fix to each gap.

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200 answers. 25 Prompts/Question. Top AI engines. 2 days. Free. No card · no sales call

Proofsource and xSeek in five facts

Price

Proofsource
Free trial, then Custom from $64 per brand per month (final price discussed on demo call)
xSeek
Starter $249.99 a month, Growth $499.99 a month, billed monthly; Scale custom[1]

Free trial

Proofsource
2 days free, 4 engines, no card
xSeek
A Try for free sign-up is linked, with no trial terms published; its FAQ suggests a 30-minute strategist call first[1]

AI engines covered

Proofsource
4 on the trial, all 10 on Custom
xSeek
ChatGPT, xAI, Perplexity, AI Overview, Gemini, Claude, DeepSeek and Copilot on every plan[1]

How often answers are re-read

Proofsource
Daily on Custom, or hourly
xSeek
A recurring cadence; the interval is not published[1]

Seats

Proofsource
Unlimited on Custom
xSeek
Unlimited users on every plan[1]

What xSeek is, and who it is for

GEO with a specialist beside you. xSeek queries AI engines with your strategic prompts on a recurring cadence, works out who gets cited, in what tone and on which topics, and tells you what to create and optimize.[1]

For growing businesses and agencies. Its customer stories come from companies that turned ChatGPT into a lead source, and it runs a program for agencies.[2]

Proofsource is an AI intelligence platform that shows which buyer questions name your brand in ChatGPT, Perplexity, Claude and Google AI Overviews, who gets named instead, and exactly what to fix.

Proofsource and xSeek, fact by fact

Each xSeek cell links to the page it came from. Where xSeek does not publish a detail, the cell says so instead of guessing.

QuestionProofsourcexSeek
PriceFree trial, then Custom from $64 per brand per month (final price discussed on demo call), arranged on a demo callStarter $249.99 a month, Growth $499.99 a month, billed monthly; Scale custom[1]
Free trial200 answers. 25 Prompts/Question. Top AI engines. 2 days. Free. No card, no sales callA Try for free sign-up is linked, with no trial terms published; its FAQ suggests a 30-minute strategist call first[1]
AI engines coveredChatGPT, Perplexity, Claude and Google AI Overviews on the trial. Custom covers all 10 engines, adding Google AI Mode, Gemini, Microsoft Copilot, Grok, DeepSeek and Meta AI, switched on at onboardingChatGPTPerplexityGeminiClaudeDeepSeekCopilotChatGPT, xAI, Perplexity, AI Overview, Gemini, Claude, DeepSeek and Copilot on every plan[1]
How often answers are re-readDaily on Custom by default, one answer per question per engine per UTC day, or hourly or any frequency you choose; the trial reads every engine on 2 consecutive daysA recurring cadence; the interval is not published[1]
SeatsUnlimited seats on Custom, with client workspaces, scoped members, Client Viewer seats and SSO set up at onboardingUnlimited users on every plan[1]
How a number is measuredA 95% Wilson interval on every percentage; alerts wait until a change clears itNot published
What it does about a gapEach gap names the pages the engine cited instead, with a draft fix held for your approvalRecommendations and opportunities (10, 25 or 50 by plan), an action plan and a backlink agent on Growth[1]

Where each shines

Both tools are built well for different teams. Each point is a strength, read from that vendor's own pages.

Where xSeek shines

  • A person alongside the tool. Every plan includes strategic onboarding and a dedicated account specialist; Scale adds a monthly strategist session.[1]
  • Eight models and a backlink agent. All eight supported models on every plan, and an AI outreach and link exchange agent on Growth.[1]

Where Proofsource shines

  • Start alone, today. 200 answers. 25 Prompts/Question. Top AI engines. 2 days. Free. No card, no sales call.
  • A stated daily cadence. Proofsource re-asks every question daily on Custom; xSeek does not publish its interval.
  • Intervals and drafted fixes. A 95% Wilson interval on every rate, and a draft for each gap held for approval.

Proofsource or xSeek: the fair verdict

xSeek bundles software with people, and for a team that wants hands-on strategy it is a reasonable way to buy GEO.

Proofsource is the better pick if you want your own data first, a stated daily cadence and confidence intervals, and drafted fixes you approve over an advisory relationship.

Choose xSeek if you want

  • A person alongside the tool
  • Eight models and a backlink agent

Choose Proofsource if you want

  • Start alone, today
  • A stated daily cadence
  • Intervals and drafted fixes

Already using xSeek?

You do not have to choose on day one. Here is how teams run Proofsource beside xSeek and decide on their own data.

  1. Keep xSeek running

    Nothing about trying Proofsource needs you to stop xSeek. Your history and reports there stay where they are.

  2. Bring your questions across

    Export or copy the prompts you track in xSeek and add them as buyer questions in Proofsource, so both tools ask the same things.

  3. Run both side by side

    Read the two for the same days on your own domain. Where the numbers differ, Proofsource shows the answers and the pages each engine cited, so you can see why.

  4. Keep what serves your team

    Many teams keep one tool for reporting and another for fixes. Pick on your own evidence, not on a comparison page.

Proofsource or xSeek: what buyers ask

What's the best tool to track whether ChatGPT, Perplexity, Claude and Google AI Overviews recommend my brand over competitors?

Both tools cover those four engines. xSeek queries them on a recurring cadence and works out who gets cited. Proofsource asks your buyer questions on ChatGPT, Perplexity, Claude and Google AI Overviews every day on Custom, names who is named instead of you, and puts a 95% interval on each rate.

How much does xSeek cost?

Starter is $249.99 a month for 50 prompts and Growth $499.99 for 150, billed monthly; Scale is priced to your needs.

Can I try xSeek for free?

Its site links a Try for free sign-up but publishes no trial terms; its FAQ suggests a 30-minute call with a strategist.

Where each fact about xSeek comes from

  1. xSeek pricing, read 5 Oct 2026.
  2. xSeek homepage, read 5 Oct 2026.

Vendors change their pages. If a xSeek fact here no longer matches their site, tell us through the contact page and we will correct it.

Every comparison we have written

Your own trial settles this faster than any comparison page.

200 answers. 25 Prompts/Question. Top AI engines. 2 days. Free. No card, and the report is about your domain: which buyer questions name you, who gets named instead, and what to fix.

200 answers. 25 Prompts/Question. Top AI engines. 2 days. Free.ChatGPTPerplexityClaudeGoogle AI OverviewsGoogle AI ModeGeminiMicrosoft CopilotGrokDeepSeekMeta AI