Print · October 2026 Edition
Thanks.io vs PostGrid
Zero of fourteen models named Thanks.io first on the direct prompt; one named PostGrid. Thanks.io was named by ten of the fourteen models and PostGrid by thirteen and Thanks.io carries 11 labels and PostGrid 38, so the shares are not directly comparable.
founded 2017. Named in two categories this edition.
Named in two categories this edition.
First-choice share4%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%32%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 10; printed, not drawn.
Labels1138A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Thanks.io reading right to left. Rank and label count are printed, not drawn.Postalytics was named alongside these two in nine of the fourteen direct answers. Postalytics vs Thanks.io · Postalytics vs PostGrid · Lob vs Thanks.io
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
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Thanks.ioFirst choices, of fourteen modelsPostGrid
Direct01
Paraphrase00
Comparative04
Budget-constrained201 against PostGrid
Scale-constrained00
Negative0011 against PostGrid
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 Thanks.io and PostGrid 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 | | | | |
Thanks.io PostGrid first choice named as an alternative argued againstblank: not namedEach cell is one answer, Thanks.io on the left and PostGrid on the right.The direct prompt
The plain question, one answer per model, grouped by where Thanks.io and PostGrid stood in it.
PostGrid first, Thanks.io not the choice
1 of 14 modelsThanks.io was named in the answer but not as the choice, or not at all.Perplexity SonarPostGrid alternatives: Reachdesk
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.Gemini 3.5 FlashReachdesk alternatives: Alyce, Lob, PostGrid, Postal, Postalytics, Sendoso
GLM 4.7 FlashXPostalytics alternatives: Lob, PostGrid, Postal, Sendoso
Neither was named
11 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5Postalytics alternatives: Lob, Sendoso
GPT-5.4 miniSendoso alternatives: PFL
Grok 4.1 FastSendoso alternatives: Lob, PostGrid Print & Mail
Mistral SmallPostie alternatives: PFL, Postalytics
DeepSeek V4 FlashPostalytics alternatives: Lob, PFL, Postal, Postie, Sendoso
Llama 4 MaverickPostie alternatives: Postal
Qwen 3.7 FlashSendoso alternatives: CIENCE, Cobro, Lob, PebblePost
Kimi K2Lob, Postal alternatives: PFL, Postalytics
MiniMax M2.5Postalytics alternatives: PFL Direct Mail Platform
GPT-6 LunaPostalytics alternatives: Lob, Postal, Reachdesk
Muse Glimmer 30BPFL - Printing For Less alternatives: Lob, Postal, Postalytics, Reachdesk, Sendoso
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
Mid-marketThe figures above
The order flips: Thanks.io leads at mid-market.
Thanks.io4%#6 of 10PostGrid2%#7 of 10Enterprise
The order flips: PostGrid leads at enterprise.
PostGrid7%#5 of 8Thanks.io0%#– of 8What the models said about Thanks.io
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Click2Mail or thanks.io (pay-as-you-go plan) stand out as the best direct mail automation platforms” Grok 4.1 Fast · budget prompt · first choice
“Thanks.io is the gold standard for low-budget operations.” Gemini 3.5 Flash · budget prompt · first choice
What the models said about PostGrid
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“here are the direct mail automation platforms you should avoid or approach with caution... 2. PostGrid ... Faulty tracking” Kimi K2 · negative prompt · hard negative
“Postgrid is frequently cited in reviews for having significant operational flaws, leading to a low Trustpilot rating of 2.9/5.” GLM 4.7 FlashX · negative prompt · hard negative
“Platforms to Approach with Caution or Avoid: PostGrid ... Best Avoid If: You need reliable support, tracking, or non-US mailing.” Grok 4.1 Fast · negative prompt · hard negative
“PostGrid and Lob are strongest for pure direct mail automation, with PostGrid favored for API-centric workflows and Lob for marketing team usability.” MiniMax M2.5 · comparative prompt · first choice
“PostGrid is the safest "best direct mail automation platform" pick for a mid-market B2B company” Perplexity Sonar · direct prompt · first choice
“with PostGrid and Lob most often cited for API-first print-and-mail automation” Perplexity Sonar · comparative prompt · first choice
Also compared
Postalytics vs Thanks.ioPostalytics vs PostGridLob vs Thanks.ioLob vs PostGridSendoso vs Thanks.ioSendoso vs PostGridClick2Mail vs Thanks.ioClick2Mail vs PostGridPostie vs Thanks.ioPostie vs PostGridThanks.io vs ReachdeskPostGrid vs ReachdeskAll twenty-eight head-to-head pages and the full direct mail 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.