Buy By Prompt

How to Shop with AI — Platform Guide

Practical guide to buying products using ChatGPT, Gemini, Alexa, and other AI shopping assistants.

Shopping with AI: Platform-by-Platform

ChatGPT (OpenAI)

ChatGPT with web browsing is one of the most flexible AI shopping assistants:

  1. Describe what you want in plain English: "I need a portable Bluetooth speaker for outdoor use, under £60, with at least 10 hours battery life"
  2. Ask for comparisons: "Compare the JBL Flip 6 vs the Anker Soundcore 3"
  3. Request review summaries: "What do people say about the UE Boom 3?"
  4. Get purchase links: ChatGPT can provide direct links to retailers

Best for: Complex product research, comparing across categories, getting plain-English summaries of technical specs.

Google Gemini

Gemini is tightly integrated with Google Shopping:

  1. Search and compare: "Show me the best robot vacuum cleaners under £300"
  2. Visual search: Upload a photo and ask "Where can I buy this?"
  3. Price tracking: "Tell me when this drops below £200"
  4. Local availability: "Which shops near me have this in stock?"

Best for: Price comparison, finding local stock, visual product search.

Amazon Alexa / Rufus

Amazon's AI assistant is built for purchasing:

  1. Voice ordering: "Alexa, order AAA batteries" — uses your Amazon account
  2. Rufus AI: Amazon's in-app AI assistant that answers product questions, compares items, and makes recommendations within the Amazon ecosystem
  3. Reordering: "Alexa, reorder my usual coffee" — remembers past purchases
  4. Deal alerts: "Alexa, tell me when [product] goes on sale"

Best for: Amazon purchases, reordering, household essentials.

Tips for Better AI Shopping

  • Be specific about your requirements — budget, features, brand preferences
  • Ask follow-up questions — "what's the warranty like?" or "is there a newer model?"
  • Cross-reference — use one AI for research, then verify prices on the retailer's site
  • Check return policies before purchasing through AI assistants
  • Set spending limits if using voice purchasing to avoid accidental orders