gaisho

Use case · Replacement parts

Finding the right refrigerator water filter

A replacement part has one correct spec and dozens of genuine, compatible and mislabeled listings. We gave the same question to Muse twice — once with gaisho connected, once without — and recorded both runs.

The question

Shopper asksMy Whirlpool fridge says it's time to change the water filter. The old one says 'Filter 1'.

Results

Muse with gaisho vs Vanilla Muse

Time
0:45.4
vs 6:36.6−88.6%
Tokens (incl. cache)
249,280
vs 1,010,000−75.3%
Products evaluated
110
vs 29+279.3%
Recommendations
7
vs 5+40.0%

One recorded run each, Oct 29, 2026. Change is relative to Vanilla Muse. Tokens include cache.

The two answers

Muse with gaisho

If you want zero doubt, go genuine; if you want value, the compatibles are where the money is — I checked the same Filter 1 spec across all 110 matches and looked closely at the first 15.

  • Whirlpool Genuine Filter 1 — $48.00The safe pick. Strong reviews and sold by [store] itself, so no fit or seller worry. The trade-off is paying 3 to 8 times a compatible's per-filter price.
  • Waterspecialist — $14.99Best if you need one today and don't want spares in a drawer. Solid reviews at a fair price. Trade-off: third-party seller, not genuine Whirlpool.
  • Stokk 6-Pack — $34.99 ($5.83 each)Best value if you'll keep this fridge a while — less than one genuine filter for six. Trade-off: buying years of filters upfront from a third-party CN seller.

I ruled out the pricier 3-packs at $13.33 each that gave you nothing extra, and the Kenmore 9081-first listings where Whirlpool Filter 1 wasn't the primary fit.

Vanilla Muse

If you want genuine, don't pay the $59.99 list price — the cheapest single I found is everydrop by Whirlpool Ice and Water Refrigerator Filter 1, EDR1RXD1, Single-Pack at $50.99 [at store], while Maytag Every Drop Refrigerator Water Filter 1 Purple (Pack Of 2) is the better deal long-term at $92 for 2 ($46 each).

The others in the list are the same genuine filter at $59.99, plus a much cheaper compatible 2-pack if you want to save.

Final answers, trimmed; [store] marks a hidden store name. Prices as shown in the recording on Oct 29, 2026.

What it means for your agent

  • Wider search for less

    With gaisho, Muse evaluated 110 products at about 2,300 tokens each. Browsing on its own, it evaluated 29 at about 35,000 tokens each.

  • Genuine and compatible, side by side

    The gaisho run compared the genuine filter with compatible options on per-filter price and named what it ruled out. The browsing run compared listings of the genuine filter and mentioned a cheaper compatible 2-pack in passing.

  • An answer in under a minute

    45 seconds instead of 6 min 37 s: the difference between an answer in the chat and a task the user waits on.

Watch the recording

Source: home page demo recording, Oct 29, 2026 — final scoreboard and both final answers.