Casper #15 in Mattresses
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Score over time
Shaded band = 95% bootstrap confidence interval. Orange markers = methodology events (model releases, panel versions). How this works
By model
ChatGPT (OpenAI)
Claude (Anthropic)
Gemini (Google)
Perplexity
By question type
Where Casper shows up, by the intent behind the question. Every mattresses panel asks the same balanced mix — 10 prompts per type — so these rates are directly comparable. A gap here (strong on recommendations, invisible on comparisons) is where AI visibility is being won or lost.
| Question type | Mentioned | Recommended |
|---|---|---|
| Recommendations “What's the best option for me?” | 7% | |
| Comparisons “How do the top options stack up?” | 8% | |
| Ready to buy “Which one should I actually get?” | 2% | |
| Problem-solving “I have this problem — what fixes it?” | 0% | |
| Informational “How does this kind of product work?” | 0% |
What the AIs say
Real answers from the latest measurement in which Casper appeared — the receipts behind the score.
Claude (Anthropic) · listed #1
"Can you tell me the common size options for boxed mattresses?"
…ross brands, though there can be slight variations (an inch or so) depending on the manufacturer - Most direct-to-consumer mattress brands (Casper, Purple, Nectar, etc.) offer the six standard sizes listed above Would you like more details on any specific size, or are you trying to figure out which size might work best for…
Gemini (Google) · listed #1
"How do Casper and Purple mattresses compare for someone who sleeps mostly on their side?"
For someone who sleeps mostly on their side, choosing between Casper and Purple comes down to a choice between two very different materials and feels: **Casper’s contouring, zoned foam** versus **Purple’s responsive, pressure-releasing GelFlex Grid…
ChatGPT (OpenAI) · recommended · listed #1
"How do Casper and Purple mattresses compare for someone who sleeps mostly on their side?"
…swer: both brands can work for side sleepers, but which is better depends on your body weight and whether you want a contouring/“hug” feel (Casper) or a more responsive, cooling, buoyant feel with good pressure relief (Purple). Below I summarize the key differences and give practical recommendations. Key differences - Const…
Perplexity · recommended · listed #1
"Looking for a good bed-in-a-box mattress that comes in queen size—any suggestions?"
If you want a **queen-size bed-in-a-box**, a few consistently well-reviewed picks are **Casper Original**, **DreamCloud Premier**, and **Bear Original**.[8][17] For a more budget-friendly option, **Novilla Gel Top 14-inch Memory Foam** was listed at about **$300 for a queen…
Where the AIs get it from
Domains cited by search-backed answers that mentioned Casper (12 answers, 2026-08-01). Your own domain is highlighted — presence in the others is the GEO opportunity.
| Cited domain | Answers citing it |
|---|---|
| naplab.com | 12 |
| reddit.com | 12 |
| mattressnerd.com | 12 |
| sleepopolis.com | 11 |
| cnet.com | 11 |
| mattressclarity.com | 10 |
| youtube.com | 9 |
| sleepfoundation.org | 9 |
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Head-to-head: Casper vs Saatva · Casper vs Zinus · Casper vs Helix — or the full Mattresses leaderboard.
Data from run #87. Methodology