# PostGrid Address Verification: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 50 judge labels across 1 category by 13 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/postgrid-address-verification

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Address verification tools](https://www.gane.ai/index/gtm/gtm-data/address-verification/index.md) | 10% | 2 | 0% | 50 |

## What the models said for it

- "PostGrid offers comprehensive address verification services with the following characteristics: Global coverage across 250+ countries and territories" (MiniMax M2.5, Address verification)
- "Rating: 5.0/5 (28 reviews)... Best For: Enterprise-scale address verification with developer support and native integrations." (Mistral Small, Address verification)
- "PostGrid Address Verification is best for cost-efficient, API-first address validation for mid-market teams" (Claude Haiku 4.5, Address verification)
- "the best address verification tools for a limited budget are typically Smarty and PostGrid" (Qwen 3.7 Flash, Address verification)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 2 | 2 | 0 | 0 | 4 |
| GPT-5.4 mini | 0 | 1 | 0 | 0 | 1 |
| Gemini 3.5 Flash | 0 | 1 | 1 | 0 | 2 |
| Perplexity Sonar | 1 | 2 | 0 | 0 | 3 |
| Grok 4.20 | 0 | 4 | 0 | 0 | 4 |
| Mistral Small | 2 | 1 | 0 | 0 | 3 |
| DeepSeek V4 Flash | 0 | 5 | 0 | 0 | 5 |
| Llama 4 Maverick | 1 | 3 | 2 | 0 | 6 |
| Qwen 3.7 Flash | 1 | 3 | 2 | 0 | 6 |
| Kimi K2 | 0 | 5 | 0 | 0 | 5 |
| GLM 4.7 FlashX | 0 | 4 | 0 | 0 | 4 |
| MiniMax M2.5 | 1 | 1 | 1 | 0 | 3 |
| GPT-6 Luna | 0 | 0 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 4 | 0 | 0 | 4 |

## Sources returned with these answers

The sites and pages cited by the answers that named PostGrid Address Verification, from 135 of the 138 answers that named it (only the models that return a source list).

### Domains cited

- g2.com: 106
- capterra.com: 70
- getapp.com: 59
- softwareadvice.com: 54
- softwareadvice.co.uk: 50
- smarty.com: 47
- postgrid.com: 45 (its own site)
- melissa.com: 44
- loqate.com: 42
- digi-texx.com: 40

### Pages cited

- https://g2.com/articles/best-address-verification-software: 68
- https://softwareadvice.co.uk/directory/4463/address-verification/software: 50
- https://capterra.com/address-verification-software: 47
- https://digi-texx.com/techblog/address-validation-software: 40
- https://capterra.co.uk/directory/33215/address-verification/software: 33
- https://g2.com/categories/address-verification/enterprise: 31
- https://guideflow.com/blog/address-verification-software: 27
- https://softwareadvice.com/address-verification/small-business: 27

## What it publishes

Every page postgrid.com exposes, read 2026-09-29: 2702 addresses. By kind, pages and the last 90 days:

- blog: 713 pages, 49 in the last 90 days, latest 2026-09-25
- case study: 9 pages, 0 in the last 90 days, latest 2026-04-12
- webinar or virtual event: 6 pages, 0 in the last 90 days, latest 2026-05-07
- report or ebook: 34 pages, 8 in the last 90 days, latest 2026-07-30
- comparison: 32 pages, 11 in the last 90 days, latest 2026-09-22
- template or tool: 4 pages, 0 in the last 90 days, latest 2025-04-04
- glossary or explainer: 65 pages, 9 in the last 90 days, latest 2026-09-23
- news or press: 1 pages, 0 in the last 90 days, latest 2026-04-14
- Recent: 2026-09-25 blog: How address verification fraud prevention protects your business https://www.postgrid.com/how-address-verification-fraud-prevention-protects-your-business/
- Recent: 2026-09-24 blog: What does rejected addresses mean https://www.postgrid.com/what-does-rejected-addresses-mean/
- Recent: 2026-09-24 blog: Medicare direct mail marketing scaling guide https://www.postgrid.com/medicare-direct-mail-marketing-scaling-guide/
- Recent: 2026-09-23 blog: How to clean your ncoa and cass mailing lists with postgrid https://www.postgrid.com/how-to-clean-your-ncoa-and-cass-mailing-lists-with-postgrid/
- Recent: 2026-09-23 glossary or explainer: What is a non standard address https://www.postgrid.com/what-is-a-non-standard-address/
- Recent: 2026-09-23 blog: Difference between brochure flyer pamphlet booklet https://www.postgrid.com/difference-between-brochure-flyer-pamphlet-booklet/

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.