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.
Proofsource and xSeek in five facts
Price
- Proofsource
- Free trial, then plans from $9 a month (5 questions on ChatGPT, weekly)
- 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, up to 4 on a paid plan
- xSeek
- ChatGPT, xAI, Perplexity, AI Overview, Gemini, Claude, DeepSeek and Copilot on every plan[1]
How often answers are re-read
- Proofsource
- Daily, weekly or monthly, you choose
- xSeek
- A recurring cadence; the interval is not published[1]
Seats
- Proofsource
- Unlimited team members
- 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.
| Question | Proofsource | xSeek |
|---|---|---|
| Price | Free trial, then one price card at self-serve checkout: each brand pays daily ($28 a brand a month) or weekly ($7), plus each question on each engine, plans from $9 a month (5 questions on ChatGPT, weekly). No overage charges | Starter $249.99 a month, Growth $499.99 a month, billed monthly; Scale custom[1] |
| Free trial | 200 answers. 25 Prompts/Question. Top AI engines. 2 days. Free. No card, no sales call | 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 | ChatGPT, Perplexity, Claude and Google AI Overviews on the trial. Paid plans pick from those 4, each priced per question; Google AI Mode, Gemini, Microsoft Copilot, Grok, DeepSeek and Meta AI are enabled on a call |      CopilotChatGPT, xAI, Perplexity, AI Overview, Gemini, Claude, DeepSeek and Copilot on every plan[1] |
| How often answers are re-read | Daily or weekly, chosen per plan; daily is one answer per question per engine per UTC day. The trial reads every engine on 2 consecutive days | A recurring cadence; the interval is not published[1] |
| Seats | Unlimited team members on every plan. The agency workspace is free, with client workspaces, scoped members and Client Viewer seats set up on a call | Unlimited users on every plan[1] |
| How a number is measured | A 95% Wilson interval on every percentage; alerts wait until a change clears it | Not published |
| What it does about a gap | Each gap names the pages the engine cited instead, with a draft fix held for your approval | Recommendations 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
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 can re-ask every question daily; 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.
Keep xSeek running
Nothing about trying Proofsource needs you to stop xSeek. Your history and reports there stay where they are.
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.
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.
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 a daily plan, 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
- xSeek pricing, read Oct 5, 2026.
- xSeek homepage, read Oct 5, 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.
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.
Google AI OverviewsGoogle AI Mode
