# Postalytics vs PostGrid: which do AI models recommend for direct mail, September 2026

GTM AI Recommendation Index, September 2026 Edition, Print. Ten of twelve models named Postalytics first on the direct prompt; zero named PostGrid. Page: https://gtm-ai-index.com/marketing/print/postalytics-vs-postgrid/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Postalytics | 54% | #1 of 11 | 7% | 54 | 12 of 12 |
| PostGrid | 7% | #4 of 11 | 25% | 40 | 12 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: postalytics first (first choices: Postalytics, Reachdesk) (alternatives: Alyce, Lob, Postal)
- Perplexity Sonar: postalytics first (first choices: Postalytics) (alternatives: DirectMail.io, Lob, Sendoso)
- Grok 4.1 Fast: postalytics first (first choices: Postalytics) (alternatives: Lob, PostGrid, Sendoso)
- Mistral Small: postalytics first (first choices: Postalytics) (alternatives: Lob, PostGrid, Sendoso)
- DeepSeek V4 Flash: postalytics first (first choices: Postalytics) (alternatives: Lob, PFL, Reachdesk, Sendoso)
- Llama 4 Maverick: postalytics first (first choices: Postalytics) (alternatives: Magileads)
- Qwen 3.7 Flash: postalytics first (first choices: Postalytics) (alternatives: Click2Mail, LetterStream, Sendoso)
- Kimi K2: postalytics first (first choices: Postalytics) (alternatives: Lob, PFL, Sendoso)
- GLM 4.7 FlashX: postalytics first (first choices: Postalytics) (alternatives: Lob, PostGrid, Postal, Reachdesk)
- MiniMax M2.5: postalytics first (first choices: Postalytics) (alternatives: Lob, Postal, Sendoso, Stannp)
- Claude Haiku 4.5: neither first, one named (first choices: PFL) (alternatives: PostGrid, Sendoso)
- GPT-5.4 mini: neither named (first choices: Sendoso) (alternatives: PFL)

## What the models said about Postalytics

- "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 PostGrid

- "Platforms to Avoid on a Tight Budget ... Postgrid — Cheaper API alternative ($0–99/mo), but pricing is often quote-based" (DeepSeek V4 Flash, budget prompt, hard negative)
- "Avoid Lob ($260-$550/month) and PostGrid unless you need API-first development capabilities" (Kimi K2, budget prompt, hard negative)
- "Platforms to Avoid or Be Cautious About ... 1. Postgrid - Poor Customer Support" (GLM 4.7 FlashX, negative prompt, hard negative)
- "PostGrid is best for revenue ops teams needing API-driven direct mail triggered by CRM events (rated 9.3/10 overall)" (MiniMax M2.5, comparative prompt, first choice)
- "Choose PostGrid or Lob if you want API-first, developer-controlled automation" (Perplexity Sonar, comparative prompt, first choice)
- "I'd recommend starting with PostGrid due to its: Strong B2B focus" (Mistral Small, paraphrase prompt, first choice)

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. 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.