Benchmark Brief · 47 seconds

Same visibility. Split first choice.

Name: Air Purifiers: Same visibility. Split first choice.
Uploaded: 2026-11-12T15:52:49.000Z
Duration: 47 s
Channel: Robert Hu
Description: Coway and Levoit each appeared in 11 of 12 usable answers. In the comparative prompt, ChatGPT and Claude ranked Levoit first; Gemini and Perplexity ranked Coway first. Coway placed in the top three in all four comparative answers; Levoit did in three. Mention frequency and comparative rank are separate measures.

Air Purifiers · Collected November 12, 2026

Watch the finding▶ 47s

English captions included · Sound on for narration

12 usable answers · Four AI assistants · Three prompt types

The finding, in context

Coway and Levoit each appeared in 11 of 12 usable answers. In the comparative prompt, ChatGPT and Claude ranked Levoit first; Gemini and Perplexity ranked Coway first.

Coway placed in the top three in all four comparative answers; Levoit did in three. Mention frequency and comparative rank are separate measures.

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Compare the AI answers, prompts and recorded ranks.

Captured answers, not product-quality ratings.

The transcript

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Two brands. The same eleven-out-of-twelve mentions. But who came first?

In Recoscope’s November twelfth air purifier snapshot, Coway and Levoit each appeared in eleven of twelve usable answers, across four AI assistants and three prompt types.

In the comparisons, ChatGPT and Claude ranked Levoit first. Gemini and Perplexity ranked Coway first.

Coway also made the top three in all four comparisons. Levoit did in three.

The lesson for brands: visibility and first choice are different measures.

These findings describe captured AI answers, not product quality.

Explore benchmark at getrecoscope.com.

Optional closed captions are available in the player and off by default, so they don’t overlap the on-screen captions.

The finding, in context

The transcript

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