CiteLadder asked Claude Sonnet 5.5 20 buyer questions about cloud storage, three times each, in three conditions. From memory, Dropbox was the brand Claude named most often. When told to search first, pCloud took that place, and Microsoft and Apple dropped out of the top five. This page reports what Claude said. It is not a ranking of which service is best.
What we asked Claude
This category is one of 20 in a study of 400 buyer questions. For cloud storage we wrote 20 prompts across five kinds of intent: best overall, a specific buyer or use case, budget or free, feature-led, and comparison shortlists.
Examples:
- "What's the best cloud storage service overall right now?"
- "Which cloud storage works best for photographers with huge RAW files?"
- "Which cloud storage services offer true end-to-end zero-knowledge encryption?"
Each prompt ran three times in each condition, which gives 60 answers per condition. The conditions were: from memory with no tools, with web search available, and told in the system prompt to search before answering. We used the Anthropic API at low effort and gave no current date. Another model listed the brands in each answer, and code counted them. API results can differ from the Claude apps.
Brands Claude named from memory
Without tools, Claude named 57 distinct brands across 60 answers, an average of 7.2 per answer. The top three brands made up 26% of all mentions, so the field was fairly spread out.
- Dropbox appeared in 68% of answers and was named in every run for 12 prompts.
- Microsoft appeared in 62%.
- Sync.com appeared in 55%.
- Google appeared in 53%. It was named first 22 times, more than any other brand, with an average position of 1.9.
- Apple appeared in 48%.
Backblaze (40%), Proton (37%), pCloud (35%) and Tresorit (33%) followed. Google Drive was also counted on its own at 20%, separate from Google.
Run agreement was 62%. Claude gave a fairly similar set of brands when asked the same question again, but not an identical one.
How often Claude searched when it could
With web search available but not required, Claude searched in only 6 of 60 answers, for 18 searches in total. Most answers still came from memory.
The results looked close to the no-tools condition. Dropbox and Microsoft each appeared in 70% of answers, Google in 68% and Sync.com in 60%. Microsoft was named in every run for 12 prompts. For this category, having search on hand did little to change which brands Claude named.
What changed when Claude was told to search
When the system prompt told Claude to search first, it searched in all 60 answers and ran 249 searches. It named fewer brands: 47 distinct brands, an average of 5.9 per answer. The top three took 31% of mentions. Run agreement fell to 53%.
Dropbox, Sync.com and Google stayed in the top five. Two brands left it:
- Microsoft went from 62% from memory to 30%.
- Apple went from 48% from memory to 23%.
Two brands entered it:
- pCloud went from 35% from memory to 77%, and was named first 12 times.
- Internxt went from 15% from memory to 38%.
The leader changed from Dropbox to pCloud. Dropbox still appeared in 57% of searched answers, and Sync.com in 50%. None of the 60 searched answers included inline citations.
What Claude searched for
Claude's queries were short and often focused on price or comparisons. 48% contained the word "best". Examples:
- "best cloud storage services 2025 comparison pricing"
- "cheapest cloud storage 2TB 2025 price comparison"
- "Backblaze B2 price per TB month 2026"
Some queries named several brands at once, such as "cloud storage sync speed comparison Dropbox Google Drive OneDrive pCloud Sync.com". Others looked up smaller services directly, such as "Koofr OR Hetzner storage box OR Internxt 2TB price per year".
42% of queries included a year. 2025 appeared in 104 queries and 2026 in 5. We gave no current date, so the year in a query was Claude's own assumption.
Which sites the searches returned
A small set of review and comparison sites came back again and again. cloudwards.net was returned for 58 of the 60 searched answers (97%). techradar.com came back for 43 (72%). tomsguide.com and gizmodo.com each came back for 31 (52%), and experte.com for 30 (50%).
toolradar.com and en.wikipedia.org each appeared for 24 answers (40%). allcloudhub.com appeared for 20 and fast.io for 17.
One vendor domain made the list. blog.internxt.com was returned for 23 answers (38%). Internxt itself appeared in 38% of searched answers, up from 15% from memory. This study does not show that one caused the other, but the two moved in the same condition.
What a cloud storage brand can take from this
Claude's memory and Claude's search results tell different stories in this category. A brand that does well from memory can drop by half when Claude searches, as Microsoft and Apple did. A brand with a middling memory share can lead once search is on, as pCloud did.
Some practical points:
- Know the review sites. cloudwards.net came back for almost every searched answer, and techradar.com for most. How your service is covered there shapes what Claude reads.
- Publish clear pricing. Many queries asked for a price per TB or a 2TB price per year. Plain, current pricing pages give Claude something to find.
- Your own content can be returned. blog.internxt.com showed up in a large share of searches.
- Keep dates current. Most dated queries used 2025, a few used 2026. Pages with an old year in the title may match fewer queries.
- Measure both modes. Check how Claude names you from memory and when it searches. CiteLadder tracks both.
Brand shares in each condition
Share of the 60 answers (20 prompts, three runs) that named each brand. "Prompts named in every run" counts the prompts where the brand appeared in all three runs from memory.
| Brand | From memory | Prompts named in every run | Told to search |
|---|---|---|---|
| Dropbox | 68.3% | 12 | 56.7% |
| Microsoft | 61.7% | 7 | 30% |
| Sync.com | 55% | 7 | 50% |
| 53.3% | 6 | 31.7% | |
| Apple | 48.3% | 5 | 23.3% |
| Backblaze | 40% | 6 | 25% |
| Proton | 36.7% | 4 | 26.7% |
| pCloud | 35% | 4 | 76.7% |
| Tresorit | 33.3% | 5 | not in top 15 |
| Google Drive | 20% | 1 | 28.3% |
| Internxt | not in top 15 | 38.3% |
Sites Claude's searches returned
When told to search. Share of answers whose searches returned at least one page from the site.
| Site | Answers | Share of searched answers |
|---|---|---|
| cloudwards.net | 58 | 96.7% |
| techradar.com | 43 | 71.7% |
| tomsguide.com | 31 | 51.7% |
| gizmodo.com | 31 | 51.7% |
| experte.com | 30 | 50% |
| toolradar.com | 24 | 40% |
| en.wikipedia.org | 24 | 40% |
| blog.internxt.com | 23 | 38.3% |
| allcloudhub.com | 20 | 33.3% |
| fast.io | 17 | 28.3% |
The 20 prompts
- What's the best cloud storage service overall right now? (best overall)
- Which cloud storage provider is most reliable for everyday file syncing? (best overall)
- Top rated cloud storage apps people actually recommend? (best overall)
- Best cloud drive for keeping files synced across all my devices (best overall)
- Best cloud storage for a small business team sharing documents (for a specific buyer or use case)
- Which cloud storage works best for photographers with huge RAW files? (for a specific buyer or use case)
- Good cloud storage for a family to share photos and videos? (for a specific buyer or use case)
- Best cloud storage for students to store notes and assignments (for a specific buyer or use case)
- What cloud storage do video editors use for large project files? (for a specific buyer or use case)
- Best cloud storage for someone using both iPhone and Windows PC (for a specific buyer or use case)
- Which cloud backup service is best for backing up an entire computer? (for a specific buyer or use case)
- Cloud storage recommendations for lawyers handling confidential client files (for a specific buyer or use case)
- What's the best free cloud storage with the most space? (budget or free)
- Cheapest cloud storage for 2TB of files (budget or free)
- Any cloud storage with a one-time lifetime payment instead of subscription? (budget or free)
- Which cloud storage services offer true end-to-end zero-knowledge encryption? (feature-led)
- Cloud storage with the best file version history and recovery options? (feature-led)
- Which cloud storage has the fastest upload and sync speeds? (feature-led)
- Compare the major cloud storage providers on price, space, and privacy (comparison shortlist)
- Give me a shortlist of 5 cloud storage services worth considering (comparison shortlist)
Frequently asked questions
Which cloud storage brand did Claude name most often?
From memory, Dropbox appeared in 68% of answers. When told to search first, pCloud appeared in 77%. This shows what Claude said in this study, not which service is best.
Does Claude search the web for cloud storage questions on its own?
Rarely in this study. With search available but not required, Claude searched in 6 of 60 answers. It searched in all 60 only when the system prompt told it to.
Which websites did Claude's searches return most often?
cloudwards.net was returned for 97% of searched answers, techradar.com for 72%, and tomsguide.com and gizmodo.com for 52% each. blog.internxt.com was the one vendor domain in the top ten, at 38%.
Will the Claude app give the same answers?
Not necessarily. These results come from the Anthropic API at low effort with no current date given. The Claude apps can use different settings and tools, so their answers can differ.
Track how often Claude names your brand
CiteLadder tracks your brand's mentions, position and sentiment against competitors across Claude, ChatGPT, Gemini and Google AI Overviews. Every result is tied to the answer it was recorded from, so you can see where you appear in your own category.
Visibility over time
| Series | 8 Sep | 15 Sep | 22 Sep | 29 Sep | 6 Oct | 13 Oct | 20 Oct | 27 Oct |
|---|---|---|---|---|---|---|---|---|
| Acme Analytics | 27.9% | 29.6% | 30.2% | 31.8% | 32.5% | 33.1% | 34.2% | 38.4% |
| Northwind | 46.0% | 45.2% | 45.8% | 44.6% | 44.1% | 43.5% | 42.9% | 41.7% |
| Lumen | 30.4% | 31.0% | 29.8% | 30.6% | 29.9% | 29.2% | 28.8% | 27.5% |
412 answers to 120 prompts across 4 engines, week of 27 Oct – 2 Nov 2026
Brands
| Brand | Visibility | Change |
|---|---|---|
| Northwind | 41.7% | down 1.2 pts |
| Acme Analytics | 38.4% | up 4.2 pts |
| Lumen | 27.5% | down 1.3 pts |
| Fathom Labs | 16.9% | down 0.2 pts |
Acme Analytics by engine