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

Lob vs Stannp

Zero of twelve models named Lob first on the direct prompt; zero named Stannp. Lob was named by twelve of the twelve models and Stannp by nine and Lob carries 48 labels and Stannp 21, so the shares are not directly comparable.

Lob

criticized challenger

Named in one category this edition.

Stannp

accepted challenger

Named in one category this edition.

First-choice share9%7%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate27%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#3A position in a field of 11; printed, not drawn.
Labels4821A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Lob reading right to left. Rank and label count are printed, not drawn.Postalytics was named alongside these two in ten of the twelve direct answers. Postalytics vs Lob · Postalytics 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.
LobFirst choices, of twelve modelsStannp
Direct00
Paraphrase201 against Lob
Comparative51
Budget-constrained033 against Lob
Scale-constrained20
Negative029 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 Lob and Stannp stood in it.

Neither was the first choice, one was named

8 of 12 modelsThe answer put something else first and named one of the two as an alternative.
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
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

4 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
Llama 4 MaverickPostalytics alternatives: Magileads
Qwen 3.7 FlashPostalytics alternatives: Click2Mail, LetterStream, 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
Lob leads by two points.
Lob10%#3 of 9
Stannp8%#4 of 9
The full small business standing →
Mid-marketThe figures above
Lob leads by two points.
Lob9%#2 of 11
Stannp7%#3 of 11
The full mid-market standing →
Enterprise
Lob leads by thirty-seven points.
Lob37%#1 of 9
Stannp0%#– of 9
The full enterprise standing →

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

What the models said about Stannp

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

“Start with Click2Mail (no monthly fees) or Stannp ($0-$12/month) to test direct mail without commitment.” Kimi K2 · budget prompt · first choice
“Safer Alternatives to Consider ... Stannp | Very low | 4.8/5 G2 rating, affordable pricing” Kimi K2 · negative prompt · first choice
“Stannp (4.8/5 on G2) – good address verification, tracking, and support” DeepSeek V4 Flash · negative prompt · first choice
Also compared

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.