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AI Chatbots Show Wide Variation in Recommendations Across 33 Categories

By PulseAugur Editorial · [1 sources] ·

A study compared the responses of ChatGPT, Claude, Gemini, and Perplexity when asked the same question across 33 categories. The AI tools showed significant variation in their recommendations, with only 12 categories resulting in the same top-ranked suggestion. The methodology involved using official APIs, a standardized system prompt, and a process to normalize free-text answers into comparable lists, including handling brand name variations and aliases. Issues encountered included API errors, unexpected token usage, retired endpoints, and models asking clarifying questions. AI

IMPACT Highlights the variability in AI chatbot recommendations, suggesting caution for users relying on them for product suggestions.

RANK_REASON The item details a comparative study of AI model outputs on specific queries, including methodology and encountered issues. [lever_c_demoted from research: ic=1 ai=1.0]

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

AI Chatbots Show Wide Variation in Recommendations Across 33 Categories

How we ranked this

Signal score
29 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The item details a comparative study of AI model outputs on specific queries, including methodology and encountered issues. [lever_c_demoted from research: ic=1 ai=1.0]
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
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Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · AI Search Analyzer ·

    We Asked ChatGPT, Claude, Gemini and Perplexity the Same Question in 33 Categories. Here's How (and What Broke)

    <p>"What is the best CRM software for a small business?" Ask four AI tools and you'd expect four similar lists. We asked ChatGPT, Claude, Gemini and Perplexity the same "what is the best..." question in 33 categories, from CRM to password managers, and compared every name they ga…

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