Which? asked ChatGPT, Gemini and Perplexity for the best Black Friday air fryer deals. Only Perplexity found the experts' top pick and a working discount code, but it misquoted the deal price, so Which? suggests AI as a starting point, not the final word.
I'm thinking of buying [PRODUCT AND MODEL] for [PRICE] at [RETAILER]. Using current sources, tell me: the typical price over the last six months, the lowest recent price, other UK retailers selling it now and their prices, and any valid discount codes. Link every price to its source so I can check it.
Replace the [PLACEHOLDERS] with your own details before you send it.
How to try it
- Ask Perplexity (or another tool that cites sources) about one specific model, not ‘the best deals’.
- Click through every price it quotes; Which? found AI tools sometimes got prices wrong.
- Only buy if the price is genuinely good compared with the last few months, sale badge or not.
More shopping use cases
Find up-to-date gift ideas with Grok’s web search
Looking for birthday gift ideas, one user found ChatGPT's suggestions were based on older results, while Grok's web search came back with more relevant, current ideas.
Search the web for gift ideas that are popular right now for a [AGE]-year-old who loves [INTERESTS], with a budget of [BUDGET]. Include new releases from the last few months, where to buy each one in [COUNTRY], and a one-line reason it suits them.
Get up to speed on an unfamiliar product with Perplexity before you buy
A MakeUseOf writer who knew little about coffee machines asked Perplexity to explain the different types, then to list the best drip machines on Amazon, and to pull together pros and cons from reviews across the web, before checking verified buyer reviews himself.
I know very little about [PRODUCT TYPE, E.G. COFFEE MACHINES]. Explain the main types in plain English, who each suits and rough price ranges in [COUNTRY]. I care most about [PRIORITIES]. Then shortlist [NUMBER] well-reviewed models of the type that fits me, with pros and cons from several review sources, and link each source.
Research a new fridge or vacuum with Perplexity
One shopper won't buy a fridge, oven or vacuum without asking Perplexity first, because it scans dozens of reviews and sums them up in seconds. He warns it sometimes makes up sources, so important details need checking.
I need a new [APPLIANCE] for [HOUSEHOLD SIZE/USE]. My budget is [BUDGET] and it must fit [DIMENSIONS/OTHER LIMITS]. Summarise what recent reviews and owner discussions say about the best options, including common faults and reliability complaints. Give me a shortlist of three with pros, cons and a source link for each claim.
Reference: Which?