Email marketing platforms · October 2026 Edition
Klaviyo vs Moosend
Zero of fourteen models named Klaviyo first on the direct prompt; zero named Moosend. Klaviyo was named by twelve of the fourteen models and Moosend by eight and Klaviyo carries 26 labels and Moosend 11, so the shares are not directly comparable.
Boston, United States, founded 2012. Named in thirteen categories this edition.
Named in five categories this edition.
First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate15%9%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 14; printed, not drawn.
Labels2611A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Klaviyo reading right to left. Rank and label count are printed, not drawn.HubSpot Marketing Hub was named alongside these two in thirteen of the fourteen direct answers. HubSpot Marketing Hub vs Klaviyo · HubSpot Marketing Hub vs Moosend · ActiveCampaign vs Klaviyo
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 email marketing platforms page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
KlaviyoFirst choices, of fourteen modelsMoosend
Direct00
Paraphrase001 against Klaviyo
Comparative20
Budget-constrained01
Scale-constrained10
Negative103 against Klaviyo · 1 against Moosend
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Klaviyo and Moosend stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | |||
| GPT-5.4 mini | | |||||
| Gemini 3.5 Flash | | | | | ||
| Perplexity Sonar | ||||||
| Grok 4.1 Fast | | | ||||
| 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 | | |
Klaviyo Moosend first choice named as an alternative argued againstblank: not namedEach cell is one answer, Klaviyo on the left and Moosend on the right.The direct prompt
The plain question, one answer per model, grouped by where Klaviyo and Moosend stood in it.
Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.DeepSeek V4 FlashHubSpot Marketing Hub alternatives: ActiveCampaign, Klaviyo, Salesforce Marketing Cloud
GLM 4.7 FlashXHubSpot Marketing Hub alternatives: ActiveCampaign, Brevo, Klaviyo
Neither was named
12 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5HubSpot Marketing Hub alternatives: ActiveCampaign, Brevo, GetResponse
GPT-5.4 miniHubSpot Marketing Hub alternatives: Adobe Marketo Engage, Salesforce Marketing Cloud Account Engagement
Gemini 3.5 FlashHubSpot Marketing Hub alternatives: ActiveCampaign, Customer.io, Salesforce Marketing Cloud Account Engagement
Perplexity SonarHubSpot Marketing Hub alternatives: ActiveCampaign, Outreach, Salesloft, ZoomInfo Marketing
Grok 4.1 FastHubSpot Marketing Hub alternatives: ActiveCampaign, Adobe Marketo Engage
Mistral SmallActiveCampaign, HubSpot Marketing Hub
Llama 4 MaverickActiveCampaign alternatives: Dotdigital, Salesforce Email Marketing
Qwen 3.7 FlashHubSpot Marketing Hub alternatives: ActiveCampaign, Adobe Marketo Engage, Salesforce Marketing Cloud Account Engagement, SharpSpring
Kimi K2ActiveCampaign, HubSpot Marketing Hub
MiniMax M2.5ActiveCampaign alternatives: HubSpot Marketing Hub, Salesforce Marketing Cloud Account Engagement
GPT-6 LunaHubSpot Marketing Hub alternatives: Adobe Marketo Engage, Salesforce Marketing Cloud Account Engagement
Muse Glimmer 30BActiveCampaign, HubSpot Marketing Hub alternatives: Adobe Marketo Engage
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
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
Klaviyo0%#9 of 11Moosend0%#– of 11Mid-marketThe figures above
Level: the same share of first choices.
Klaviyo2%#6 of 14Moosend2%#7 of 14Enterprise
What the models said about Klaviyo
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Avoid tools like ... Klaviyo (ecommerce-focused) for serious B2B lead nurturing.” DeepSeek V4 Flash · paraphrase prompt · hard negative
“Category A: The "Growth" Platform (Most Likely Fit) *Examples:* ActiveCampaign, Klaviyo (if E-commerce), Drip, Keap.” Qwen 3.7 Flash · scale prompt · first choice
What the models said about Moosend
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“Excluded from some "best of" lists due to overlapping features with other tools and potential limitations in scalability” Mistral Small · negative prompt · soft negative
“The most cost-effective email marketing platforms are Moosend, MailerLite, and Brevo.” Claude Haiku 4.5 · budget prompt · first choice
“No free plan (30-day trial) | ~$7–$9/mo (unlimited emails) | Automation-heavy needs without daily caps” Grok 4.1 Fast · budget prompt · alternative
“Extremely low-cost paid tiers... Moosend punches well above its weight class.” Gemini 3.5 Flash · budget prompt · alternative
Also compared
HubSpot Marketing Hub vs KlaviyoHubSpot Marketing Hub vs MoosendActiveCampaign vs KlaviyoActiveCampaign vs MoosendBrevo vs KlaviyoBrevo vs MoosendMailerLite vs KlaviyoMailerLite vs MoosendSender vs KlaviyoSender vs MoosendKlaviyo vs MailchimpMoosend vs MailchimpAll twenty-eight head-to-head pages and the full email marketing standing
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.