Similarweb vs AlphaSense
Zero of fourteen models named Similarweb first on the direct prompt; one named AlphaSense. Similarweb was named by thirteen of the fourteen models and AlphaSense by fourteen and Similarweb carries 38 labels and AlphaSense 43, so the shares are not directly comparable.
Named in six categories this edition.
Named in three categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the market intelligence platforms page.
By framing
SimilarwebFirst choices, of fourteen modelsAlphaSense
Across every category in the November 2026 Edition, Similarweb and AlphaSense were named in the same answer 123 times, of the 273 answers naming Similarweb and the 216 naming AlphaSense. In those answers AlphaSense took the first choice fourteen times and Similarweb ten.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | ||||||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | | |
| Grok 4.20 | | | | |||
| Mistral Small | | | ||||
| DeepSeek V4 Flash | | | | | ||
| Llama 4 Maverick | | | | |||
| Qwen 3.7 Flash | | | | | | |
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | |||||
| MiniMax M2.5 | ||||||
| GPT-6 Luna | | | | | | |
| Muse Glimmer 30B | | |
Similarweb AlphaSense first choice named as an alternative argued againstblank: not namedEach cell is one answer, Similarweb on the left and AlphaSense on the right.The direct prompt
AlphaSense first, Similarweb not the choice
1 of 14 modelsSimilarweb was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
9 of 14 modelsThe answer made no first choice from these two in this category.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
Similarweb9%#2 of 20AlphaSense0%#20 of 20Similarweb6%#3 of 13AlphaSense6%#5 of 13AlphaSense25%#1 of 18Similarweb0%#12 of 18What the models said about Similarweb
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Similarweb, Semrush, and comparable products estimate online behavior; they should not automatically be treated as audited revenue, customer counts, or total market share.” Perplexity Sonar · negative prompt · soft negative
“The best market intelligence platform for a company with a limited budget is Similarweb, with a starting price of $125/month.” Llama 4 Maverick · budget prompt · first choice
“If you can spend ~$100–$150/month, Similarweb or Semrush provide the best ROI for digital market intelligence.” Qwen 3.7 Flash · budget prompt · first choice
“Similarweb is the overall pick for market intelligence in 2026.” Muse Glimmer 30B · budget prompt · first choice
What the models said about AlphaSense
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Avoid Enterprise Platforms: Tools like AlphaSense, CB Insights, Crayon, or ZoomInfo are excellent but typically start at $10,000+/year” Qwen 3.7 Flash · budget prompt · hard negative
“Avoid platforms such as ZoomInfo, AlphaSense, Crayon, Klue, and 6sense” Perplexity Sonar · budget prompt · hard negative
“Avoid platforms like Crayon, Klue, AlphaSense, or Smarte” DeepSeek V4 Flash · budget prompt · hard negative
“Choose AlphaSense for strategy, investment, filings, expert research, and competitive intelligence in one research environment.” Perplexity Sonar · comparative prompt · first choice
“Competitive strategy or diligence that depends on documents, expert views, and emerging signals: start with AlphaSense.” GPT-6 Luna · comparative prompt · first choice
“For Corporate M&A, VC, or High-Level Strategic Planning: Prioritize AlphaSense, PitchBook, or CB Insights” Gemini 3.5 Flash · comparative prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.