WEM media kit

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WEM (wem3.ai) is a global marketplace and price-comparison service. Its free browser extension shows what the same item costs elsewhere — automatically on major retailers, and on any other shop in one click — with price history since 25 Aug 2026 (up to 90 days), so shoppers can see whether a “deal” is real. WEM is free for shoppers and funded by disclosed affiliate commission; it carries no advertisements, and on comparison pages offers are ranked by price, lowest first — never by commission.
WEM (wem3.ai) is a global marketplace and price-comparison service founded by Tony Xhufi. Its free browser extension appears automatically on Amazon, eBay and 40 other major retailers, and works on any other online shop in a single click: it identifies the product being viewed and shows what the same item costs at other stores, alongside price history since 25 Aug 2026 (up to 90 days) that shows whether the current price is genuinely low. The same comparison tools are available on wem3.ai and, via open standards (Model Context Protocol and OpenAPI), inside AI assistants including Claude and ChatGPT (app v1.0.2 in review with OpenAI as of 5 Sep 2026). WEM is free for shoppers and funded by disclosed affiliate commission paid by retailers; commissions never change the price a shopper pays, WEM carries no advertisements, and on comparison pages offers are ranked by price, lowest first — never by commission. Checkout for compared products happens on the retailer’s own site, at the retailer’s price — WEM never handles payment for those purchases.

Fact sheet

What it is
Price-comparison browser extension + comparison website + AI-assistant tools
Where it works
Automatic on Amazon, eBay and 40 other major retailers; one click on any other online shop. Comparisons are same-currency. Coverage spans the UK, EU and US — the UK is one market, not the product.
Extension version
1.8.0 — live on Chrome, Edge and Firefox
Price for shoppers
Free — no account required
How it makes money
Disclosed affiliate commission from retailers ( full disclosure). No advertisements; on comparison pages, offers are ranked by price, lowest first — never by commission.
Price history
Since 25 Aug 2026, up to 90 days per tracked product — shows whether a discount is genuine
AI assistants
Works inside Claude and other assistants via open standards; ChatGPT app v1.0.2 is in review with OpenAI (5 Sep 2026) — setup
Founder
Tony Xhufi (UK)
Press contact
[email protected]

Spokesperson — available for comment

Tony Xhufi, Founder, WEM — [email protected]. Response: same working day, usually within the hour.

Beats we can speak to with data behind us — each one names what backs it, because a quote with nothing behind it is noise:

  • Fake discounts, "was" prices and DMCC enforcement

    90-day price histories on tracked products; a published evidence bar for calling a discount real

  • How price-comparison and affiliate sites actually make money

    Full public disclosure at wem3.ai/disclosure; ranking is by price, never by commission

  • Shopping browser extensions after the Honey scandal

    A shipped extension that injects no coupons and never overrides an inbound affiliate cookie — checkable in the extension itself

  • Whether AI assistants quote real prices

    A published price-accuracy benchmark with a stated tolerance and methodology

Data for journalists — free, no permission needed

Cite or screenshot any of it with credit to WEM (wem3.ai). For underlying observations, more products, or a bespoke cut on deadline: [email protected].

  • Newsroom — trending products, price movers, category coverage, Amazon vs eBay. Rolling — trending weekly, movers and category coverage as the corpus allows.
  • The WEM Price Index — which retailer is cheapest on a fixed basket. Monthly, first working day.
  • DMCC / CMA reactive kit — method since 25 Aug 2026 (up to 90 days), three example charts, founder quote. Ready the day a retailer is named.
  • Per-product price histories (since 25 Aug 2026, up to 90 days) — linkable, screenshot-ready pages (example), the “was that sale real?” evidence.
  • Black Friday 2026 study — pre-registered methodology — the rules, committed before the tracking window. Studies run: Black Friday, Boxing Day/January sales, Amazon Prime Day.
  • The AI price-accuracy benchmark — do assistants quote real prices? Published methodology, refreshed quarterly.
  • Real shopper case studies — consented, verified stories via share your save; we can usually introduce a willing shopper within two days.

Logos & images

Wordmark: SVG, PNG. With tagline: SVG. Avatar mark: light, dark.

Need product screenshots, charts from our price data, or video? Email [email protected] with the format and deadline — same working day.

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