Sendoso vs Click2Mail
Three of fourteen models named Sendoso first on the direct prompt; zero named Click2Mail. Sendoso was named by thirteen of the fourteen models and Click2Mail by twelve and Sendoso carries 36 labels and Click2Mail 16, so the shares are not directly comparable.
Named in two categories this edition.
Named in two 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 print page.
By framing
SendosoFirst choices, of fourteen modelsClick2Mail
Across every category in the October 2026 Edition, Sendoso and Click2Mail were named in the same answer thirty-five times, of the 323 answers naming Sendoso and the 64 naming Click2Mail. In those answers Click2Mail took the first choice five times and Sendoso two.
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 | | | | | |
Sendoso Click2Mail first choice named as an alternative argued againstblank: not namedEach cell is one answer, Sendoso on the left and Click2Mail on the right.The direct prompt
Sendoso first, Click2Mail not the choice
3 of 14 modelsClick2Mail was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
6 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
Click2Mail8%#3 of 9Sendoso2%#6 of 9Sendoso6%#3 of 10Click2Mail6%#4 of 10Sendoso13%#2 of 8Click2Mail0%#– of 8What the models said about Sendoso
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Several AI models recommend avoiding it for direct mail automation due to negative feedback and limitations in scalability and pricing transparency.” Mistral Small · negative prompt · hard negative
“Sendoso is the biggest platform to avoid unless you have a massive budget and can tolerate poor support.” Kimi K2 · negative prompt · hard negative
What the models said about Click2Mail
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of five in this category shown.
“can work, but it looks more like a fit for lighter-weight mailing needs than a full B2B campaign platform” GPT-5.4 mini · paraphrase prompt · soft negative
“appear frequently but are more niche (self-service or agency-focused)” Grok 4.20 · comparative prompt · soft negative
“Postie and Click2Mail stand out because they offer pay-as-you-go pricing without monthly subscriptions” Claude Haiku 4.5 · budget prompt · first choice
“Click2Mail is the most budget-friendly overall because you pay nothing upfront and only for what you send.” Kimi K2 · budget prompt · first choice
“Click2Mail or thanks.io (pay-as-you-go plan) stand out as the best direct mail automation platforms” Grok 4.20 · budget 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.