# Lob vs Reachdesk: 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; one named Reachdesk. Page: https://gtm-ai-index.com/marketing/print/lob-vs-reachdesk/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Lob | 8% | #2 of 10 | 23% | 57 | 14 of 14 |
| Reachdesk | 2% | #8 of 10 | 24% | 25 | 12 of 14 |

## The direct prompt, model by model

- Kimi K2: lob first (first choices: Lob, Postal) (alternatives: PFL, Postalytics)
- Gemini 3.5 Flash: reachdesk first (first choices: Reachdesk) (alternatives: Alyce, Lob, PostGrid, Postal, Postalytics, Sendoso)
- Claude Haiku 4.5: neither first, one named (first choices: Postalytics) (alternatives: Lob, Sendoso)
- Perplexity Sonar: neither first, one named (first choices: PostGrid) (alternatives: Reachdesk)
- 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)
- Mistral Small: neither named (first choices: Postie) (alternatives: PFL, Postalytics)
- Llama 4 Maverick: neither named (first choices: Postie) (alternatives: Postal)
- 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 Reachdesk

- "Reachdesk is mentioned as a platform to avoid for high-volume direct mail automation" (Mistral Small, negative prompt, hard negative)
- "Reachdesk has emerged as the premier choice for scaling mid-market B2B organizations that want deep integration, global reach, and reliable ROI without the white-glove price tag of Enterprise Sendoso." (Gemini 3.5 Flash, 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.