GTM AI Index
Index › Marketing › Direct mail › Postalytics vs Lob
Print · September 2026 Edition

Postalytics vs Lob

Ten of twelve models named Postalytics first on the direct prompt; zero named Lob. Both were named by all twelve models and Postalytics carries 54 labels and Lob 48, so the shares are not directly comparable.

Postalytics

endorsed leader

Named in one category this edition.

Lob

criticized challenger

Named in one category this edition.

First-choice share54%9%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate7%27%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#2A position in a field of 11; printed, not drawn.
Labels5448A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Postalytics reading right to left. Rank and label count are printed, not drawn.Sendoso was named alongside these two in nine of the twelve direct answers. Postalytics vs Stannp · Lob vs Stannp

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 twelve models made each the first choice, per way of asking, and how many argued against it.
PostalyticsFirst choices, of twelve modelsLob
Direct100
Paraphrase721 against Lob
Comparative45
Budget-constrained601 against Postalytics · 3 against Lob
Scale-constrained22
Negative103 against Postalytics · 9 against Lob
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

The direct prompt

The plain question, one answer per model, grouped by where Postalytics and Lob stood in it.

Postalytics first, Lob an alternative

10 of 12 modelsLob was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashPostalytics, Reachdesk alternatives: Alyce, Lob, Postal
Perplexity SonarPostalytics alternatives: DirectMail.io, Lob, Sendoso
Grok 4.1 FastPostalytics alternatives: Lob, PostGrid, Sendoso
Mistral SmallPostalytics alternatives: Lob, PostGrid, Sendoso
DeepSeek V4 FlashPostalytics alternatives: Lob, PFL, Reachdesk, Sendoso
Llama 4 MaverickPostalytics alternatives: Magileads
Qwen 3.7 FlashPostalytics alternatives: Click2Mail, LetterStream, Sendoso
Kimi K2Postalytics alternatives: Lob, PFL, Sendoso
GLM 4.7 FlashXPostalytics alternatives: Lob, PostGrid, Postal, Reachdesk
MiniMax M2.5Postalytics alternatives: Lob, Postal, Sendoso, Stannp

Neither was named

2 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5PFL alternatives: PostGrid, Sendoso
GPT-5.4 miniSendoso alternatives: PFL

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
Postalytics leads by forty points.
Postalytics50%#1 of 9
Lob10%#3 of 9
The full small business standing →
Mid-marketThe figures above
Postalytics leads by forty-six points.
Postalytics54%#1 of 11
Lob9%#2 of 11
The full mid-market standing →
Enterprise
The order flips: Lob leads at enterprise.
Lob37%#1 of 9
Postalytics9%#5 of 9
The full enterprise standing →

What the models said about Postalytics

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“unlocking their automated CRM triggers ... requires upgrading to paid plans that cost $199 to $499+ per month” Gemini 3.5 Flash · budget prompt · hard negative
“No A/B Testing: Missing this important feature” GLM 4.7 FlashX · negative prompt · hard negative
“Cumbersome UI: Learning curve for users not in the product daily” MiniMax M2.5 · negative prompt · soft negative
“Start with Postalytics Free Plan if you want the most robust features with a free tier. It offers the best balance of functionality” GLM 4.7 FlashX · budget prompt · first choice
“Most mid-market B2B companies will find Postalytics to be the best balance of functionality, ease of use, and integration capabilities” Mistral Small · direct prompt · first choice
“Most mid-market B2B companies find Postalytics the best balance of ease-of-use, marketing integrations, and flexible pricing.” Qwen 3.7 Flash · direct prompt · first choice

What the models said about Lob

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Platforms to Avoid on a Tight Budget- Lob — Great API, but the $260–550/month platform fee” DeepSeek V4 Flash · budget prompt · hard negative
“SaaS "Subscription Traps" to Avoid on a Budget ... they are not ideal for tight budgets” Gemini 3.5 Flash · budget prompt · hard negative
“Steep Learning Curve: Complex API documentation and lack of guidance for non-developers” GLM 4.7 FlashX · negative prompt · hard negative
“Postalytics or Lob are strong starting points if you want CRM-connected marketing automation” Kimi K2 · scale prompt · first choice
“1. Lob - API-First Platform ... Lob - Complete REST API, webhook support, postal IQ routing” GLM 4.7 FlashX · comparative prompt · first choice
“Choose PostGrid or Lob if you want API-first, developer-controlled automation” Perplexity Sonar · comparative prompt · first choice
Also compared
Postalytics vs StannpLob vs StannpThe full direct mail standing

Comparisons are drawn for the top three products in each category. The output is the models' output; nothing here is a recommendation by the index.