# Lob vs Postie: which do AI models recommend for direct mail, October 2026

GTM AI Recommendation Index, October 2026 Edition, Print. One of fourteen models named Lob first on the direct prompt; two named Postie. Page: https://gtm-ai-index.com/marketing/print/lob-vs-postie/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Lob | 8% | #2 of 10 | 23% | 57 | 14 of 14 |
| Postie | 6% | #5 of 10 | 7% | 14 | 7 of 14 |

## The direct prompt, model by model

- Kimi K2: lob first (first choices: Lob, Postal) (alternatives: PFL, Postalytics)
- Mistral Small: postie first (first choices: Postie) (alternatives: PFL, Postalytics)
- Llama 4 Maverick: postie first (first choices: Postie) (alternatives: Postal)
- Claude Haiku 4.5: neither first, one named (first choices: Postalytics) (alternatives: Lob, Sendoso)
- Gemini 3.5 Flash: neither first, one named (first choices: Reachdesk) (alternatives: Alyce, Lob, PostGrid, Postal, Postalytics, Sendoso)
- Grok 4.1 Fast: neither first, one named (first choices: Sendoso) (alternatives: Lob, PostGrid Print & Mail)
- DeepSeek V4 Flash: neither first, one named (first choices: Postalytics) (alternatives: Lob, PFL, Postal, Postie, Sendoso)
- Qwen 3.7 Flash: neither first, one named (first choices: Sendoso) (alternatives: CIENCE, Cobro, Lob, PebblePost)
- GLM 4.7 FlashX: neither first, one named (first choices: Postalytics) (alternatives: Lob, PostGrid, Postal, Sendoso)
- GPT-6 Luna: neither first, one named (first choices: Postalytics) (alternatives: Lob, Postal, Reachdesk)
- Muse Glimmer 30B: neither first, one named (first choices: PFL - Printing For Less) (alternatives: Lob, Postal, Postalytics, Reachdesk, Sendoso)
- GPT-5.4 mini: neither named (first choices: Sendoso) (alternatives: PFL)
- Perplexity Sonar: neither named (first choices: PostGrid) (alternatives: Reachdesk)
- MiniMax M2.5: neither named (first choices: Postalytics) (alternatives: PFL Direct Mail Platform)

## What the models said about Lob

- "Best Avoid If: You're not technical, need global reach, or budget-sensitive." (Grok 4.1 Fast, negative prompt, hard negative)
- "Avoid Lob if your marketing team doesn't have engineering support, as there is no visual, marketer-friendly builder out of the box." (Gemini 3.5 Flash, paraphrase prompt, soft negative)
- "1. Lob - Focus: API-driven platform for automating personalized direct mail ... Strengths: Nationwide Print Delivery Network" (Mistral Small, comparative prompt, first choice)
- "Postal.io or Lob offer the best balance of features, pricing transparency, and scalability for mid-market B2B companies" (Kimi K2, direct prompt, first choice)
- "Lob — Best for API-First, Developer-Led Mail ... The category leader for API-first (REST API) programmatic direct mail." (DeepSeek V4 Flash, comparative prompt, first choice)

## What the models said about Postie

- "it can be pricey for newer startups ... though it may be less budget-friendly" (Mistral Small, budget prompt, soft negative)
- "For companies with the most limited budgets, Postie and Click2Mail stand out because they offer pay-as-you-go pricing without monthly subscriptions." (Claude Haiku 4.5, budget prompt, first choice)
- "Postie - offers performance direct mail for digital marketers, lookalike audiences, and real-time ROAS tracking." (Llama 4 Maverick, direct prompt, first choice)
- "Postie stands out for its ease of use, performance tracking, and B2B focus" (Mistral Small, direct prompt, first choice)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.
