CiteLadder asked Claude Sonnet 5.5 20 buyer questions about AI writing tools for marketing, three times each, in three conditions: from memory, with web search available, and told to search first. Jasper led in every condition. The same five brands held the top five whether Claude answered from memory or searched. This page reports what Claude said through the Anthropic API. It is not a ranking of which product is best, and the Claude apps can answer differently.
What we asked Claude
The 20 prompts in this category cover five kinds of buyer questions: best overall, a specific buyer or use case, budget or free, feature-led, and comparison shortlists. They are written the way a marketer or founder might type them.
Some examples, quoted exactly:
- "What's the best AI writing tool for marketing teams right now?"
- "Best AI writing tool for a solo ecommerce store owner?"
- "Which AI writing tools can learn and stick to my brand voice?"
Each prompt ran three times in each condition, giving 60 answers per condition. The requests gave no current date. Another model listed the brands each answer named, and code did the counting.
What Claude named from memory
With no tools, Claude named 69 distinct brands across 60 answers, about 8.3 brands per answer. Two names appeared in most answers:
- Jasper in 83% of answers, named in every run for 15 prompts
- Copy.ai in 82% of answers, also named in every run for 15 prompts
- ChatGPT and Claude in 60% each, named in every run for 9 prompts
- Writesonic in 40%
Jasper and Copy.ai were named often but usually not first. ChatGPT was named first 16 times and had the lowest average position at 2.4. Claude also named itself first 13 times, the same as Jasper. General assistants such as ChatGPT, Claude and Gemini, and their makers OpenAI and Anthropic, show up often in this category.
The three runs agreed at a rate of 61%. The top three brands took 27.2% of all mentions, so answers spread across many names.
How often Claude searched when it could
When web search was available but not required, Claude searched in 6 of 60 answers, with 6 searches in total. Most answers in this condition came from memory.
The results look close to the memory condition. Jasper and Copy.ai were each named in 88% of answers, and each was named in every run for 17 prompts. Writesonic rose to 60%. ChatGPT and Claude were each at 55%. Claude named 78 distinct brands here, about 9.4 per answer.
What changed when Claude was told to search
When the system prompt told Claude to search before answering, it searched in all 60 answers. The top five stayed the same set of brands as from memory: Jasper, Copy.ai, ChatGPT, Claude and Writesonic. No brand left the top five and none entered it. Jasper led in both conditions.
The order and the shares moved:
- Jasper in 72% of answers, named first 24 times, average position 2
- ChatGPT in 70%
- Claude in 65%
- Copy.ai in 53%, named in every run for 6 prompts
- Writesonic in 42%
Anyword (25%) and Rytr (23%) appeared in the top ten after search. Answers got shorter, at about 6.2 brands each, and the top three took 33.2% of mentions. Run agreement fell to 48.7%, so searched answers varied more from run to run. None of the 60 searched answers included inline citations.
What Claude searched for
Told to search, Claude ran 262 searches. 51.1% of queries contained the word "best" and 45.1% contained a year. Of the years, 2025 appeared in 117 queries and 2026 in 3. With no date in the request, Claude mostly assumed 2025.
Queries often named brands directly and added feature terms from the prompt. Examples, quoted exactly:
- "best AI writing platform enterprise marketing compliance 2025"
- "Jasper AI enterprise security compliance SOC 2 brand voice"
- "Copy.ai vs Jasper vs Writesonic vs ChatGPT pricing copywriting"
This matters for visibility. When Claude puts brand names into the query, the brands it already knows get looked up, and the results it reads are shaped by that list.
Which sites the searches returned
One site stood out. eesel.ai was returned for 42 answers, 70% of searched answers. After that came:
- emailvendorselection.com and marketingmary.ai, each for 22 answers (37%)
- guideflow.com for 20 answers (33%)
- relato.com for 19 answers (32%)
- thecmo.com for 18 answers (30%)
- searchatlas.com and resources.rework.com, each for 16 answers (27%)
- trysight.ai and brightseotools.com, each for 15 answers (25%)
These are mostly comparison and roundup pages from third parties. None of the top hosts in DATA is a vendor of the leading brands.
What a brand in this category can take from this
From memory and after search, Claude kept returning the same core names. A brand outside that set is unlikely to break in through a single search, because Claude's queries often already list the brands it knows.
Some practical points:
- Check whether your brand is named from memory. Most answers with search available came from memory, since Claude searched in only 6 of 60.
- Look at the roundup sites above. When Claude searched, pages like eesel.ai appeared for most answers. Being listed accurately on such pages is one route into searched answers.
- Match the use cases buyers ask about. Queries carried terms like compliance, brand voice, pricing and free plan. Pages that state these facts clearly give Claude something to find.
- Keep dated content current. Many queries included 2025, so pages labelled with a year can be matched or passed over on that basis.
- Expect variation. Run agreement was 48.7% when told to search, so measure across repeated runs, which is what CiteLadder does.
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 |
|---|---|---|---|
| Jasper | 83.3% | 15 | 71.7% |
| Copy.ai | 81.7% | 15 | 53.3% |
| ChatGPT | 60% | 9 | 70% |
| Claude | 60% | 9 | 65% |
| Writesonic | 40% | 5 | 41.7% |
| Gemini | 33.3% | 2 | not in top 15 |
| OpenAI | 31.7% | 3 | not in top 15 |
| Anthropic | 31.7% | 3 | not in top 15 |
| Writer | 30% | 5 | 23.3% |
| Surfer SEO | 30% | 5 | 11.7% |
| Anyword | not in top 15 | 25% | |
| Rytr | not in top 15 | 23.3% | |
| Surfer | not in top 15 | 10% |
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 |
|---|---|---|
| eesel.ai | 42 | 70% |
| emailvendorselection.com | 22 | 36.7% |
| marketingmary.ai | 22 | 36.7% |
| guideflow.com | 20 | 33.3% |
| relato.com | 19 | 31.7% |
| thecmo.com | 18 | 30% |
| searchatlas.com | 16 | 26.7% |
| resources.rework.com | 16 | 26.7% |
| trysight.ai | 15 | 25% |
| brightseotools.com | 15 | 25% |
The 20 prompts
- What's the best AI writing tool for marketing teams right now? (best overall)
- Which AI copywriting software do most marketers actually recommend? (best overall)
- Top AI tools for creating marketing content, which one is worth it? (best overall)
- Most reliable AI writer for blog posts, ads, and emails? (best overall)
- Best AI writing tool for a solo ecommerce store owner? (for a specific buyer or use case)
- What AI tool should a small agency use to write client copy at scale? (for a specific buyer or use case)
- Which AI writer is best for SEO blog content that actually ranks? (for a specific buyer or use case)
- Good AI tool for writing Facebook and Google ad copy variations? (for a specific buyer or use case)
- Best AI writing assistant for B2B SaaS marketing teams? (for a specific buyer or use case)
- What AI tool helps write email newsletters and drip campaigns? (for a specific buyer or use case)
- Recommend an AI writer for enterprise marketing with strict compliance needs (for a specific buyer or use case)
- Which AI tool is best for writing social media captions every day? (for a specific buyer or use case)
- Are there any free AI writing tools good enough for marketing copy? (budget or free)
- Cheapest AI copywriting tool that still produces decent results? (budget or free)
- Best AI marketing writer with a generous free plan for startups? (budget or free)
- Which AI writing tools can learn and stick to my brand voice? (feature-led)
- AI copywriting tools with built-in SEO optimization and keyword suggestions? (feature-led)
- AI writing platforms that integrate with my CMS and team workflows? (feature-led)
- Compare the top AI writing tools for marketers, pros and cons (comparison shortlist)
- Give me a shortlist of 5 AI copywriting tools to trial (comparison shortlist)
Frequently asked questions
Which AI writing tool did Claude name most often for marketing?
Jasper. It was named in 83% of answers from memory and 72% when Claude was told to search, and it led in both conditions. This reflects what Claude said through the API, not which tool is best.
Does Claude search the web for these questions on its own?
Rarely in this study. With search available but not required, Claude searched in 6 of 60 answers. When the system prompt told it to search, it searched in all 60.
Did searching change which brands Claude recommended?
Not the top five. Jasper, Copy.ai, ChatGPT, Claude and Writesonic held the top five from memory and when told to search. Shares and order shifted, and Anyword and Rytr appeared in the top ten after search.
Will the Claude app give the same answers?
Not necessarily. These results come from Claude Sonnet 5.5 through the Anthropic API at low effort with no current date in the request. The Claude apps can use different settings and can answer differently.
Track how often Claude recommends you
CiteLadder tracks whether ChatGPT, Gemini, Claude and Google AI Overviews mention your brand for your buyers' questions, including position, sentiment and competitors. Every result is tied to the recorded answer, so you can check what was said.
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